./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-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-81.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 efef9fe37e22accb878733580a57fa075eb75a906afbc039a6b0766829c26689 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 05:35:01,074 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 05:35:01,152 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 05:35:01,159 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 05:35:01,161 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 05:35:01,184 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 05:35:01,185 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 05:35:01,185 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 05:35:01,186 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 05:35:01,186 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 05:35:01,187 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 05:35:01,187 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 05:35:01,189 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 05:35:01,189 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 05:35:01,190 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 05:35:01,190 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 05:35:01,190 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 05:35:01,191 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 05:35:01,191 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 05:35:01,191 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 05:35:01,191 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 05:35:01,194 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 05:35:01,194 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 05:35:01,195 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 05:35:01,195 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 05:35:01,195 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 05:35:01,196 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 05:35:01,196 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 05:35:01,197 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 05:35:01,197 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 05:35:01,197 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 05:35:01,198 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 05:35:01,198 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 05:35:01,198 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 05:35:01,199 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 05:35:01,199 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 05:35:01,199 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 05:35:01,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 05:35:01,200 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 05:35:01,200 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 05:35:01,200 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 05:35:01,201 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 05:35:01,201 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> efef9fe37e22accb878733580a57fa075eb75a906afbc039a6b0766829c26689 [2024-11-20 05:35:01,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 05:35:01,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 05:35:01,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 05:35:01,495 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 05:35:01,496 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 05:35:01,497 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-81.i [2024-11-20 05:35:03,137 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 05:35:03,408 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 05:35:03,409 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-81.i [2024-11-20 05:35:03,420 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bf429954/52040b8adb8a4b9c8d48a2cc51691675/FLAG3af216c69 [2024-11-20 05:35:03,435 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bf429954/52040b8adb8a4b9c8d48a2cc51691675 [2024-11-20 05:35:03,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 05:35:03,440 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 05:35:03,441 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 05:35:03,441 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 05:35:03,447 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 05:35:03,448 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:35:03" (1/1) ... [2024-11-20 05:35:03,451 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55f63b9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:03, skipping insertion in model container [2024-11-20 05:35:03,451 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:35:03" (1/1) ... [2024-11-20 05:35:03,481 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 05:35:03,681 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-81.i[919,932] [2024-11-20 05:35:03,801 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 05:35:03,821 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 05:35:03,835 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-81.i[919,932] [2024-11-20 05:35:03,886 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 05:35:03,915 INFO L204 MainTranslator]: Completed translation [2024-11-20 05:35:03,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:03 WrapperNode [2024-11-20 05:35:03,916 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 05:35:03,917 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 05:35:03,918 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 05:35:03,918 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 05:35:03,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:03" (1/1) ... [2024-11-20 05:35:03,952 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:03" (1/1) ... [2024-11-20 05:35:04,008 INFO L138 Inliner]: procedures = 26, calls = 61, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 302 [2024-11-20 05:35:04,009 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 05:35:04,010 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 05:35:04,010 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 05:35:04,010 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 05:35:04,026 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:03" (1/1) ... [2024-11-20 05:35:04,026 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:03" (1/1) ... [2024-11-20 05:35:04,037 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:03" (1/1) ... [2024-11-20 05:35:04,068 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-20 05:35:04,068 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:03" (1/1) ... [2024-11-20 05:35:04,068 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:03" (1/1) ... [2024-11-20 05:35:04,094 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:03" (1/1) ... [2024-11-20 05:35:04,104 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:03" (1/1) ... [2024-11-20 05:35:04,112 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:03" (1/1) ... [2024-11-20 05:35:04,117 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:03" (1/1) ... [2024-11-20 05:35:04,127 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 05:35:04,129 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 05:35:04,130 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 05:35:04,130 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 05:35:04,131 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:03" (1/1) ... [2024-11-20 05:35:04,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 05:35:04,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 05:35:04,170 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 05:35:04,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 05:35:04,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 05:35:04,226 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 05:35:04,227 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 05:35:04,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 05:35:04,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 05:35:04,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 05:35:04,336 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 05:35:04,339 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 05:35:04,910 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-20 05:35:04,911 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 05:35:04,928 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 05:35:04,929 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 05:35:04,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:35:04 BoogieIcfgContainer [2024-11-20 05:35:04,929 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 05:35:04,932 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 05:35:04,932 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 05:35:04,935 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 05:35:04,936 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:35:03" (1/3) ... [2024-11-20 05:35:04,937 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65b65e05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:35:04, skipping insertion in model container [2024-11-20 05:35:04,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:03" (2/3) ... [2024-11-20 05:35:04,937 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65b65e05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:35:04, skipping insertion in model container [2024-11-20 05:35:04,938 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:35:04" (3/3) ... [2024-11-20 05:35:04,939 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-81.i [2024-11-20 05:35:04,955 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 05:35:04,955 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 05:35:05,021 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 05:35:05,027 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;@1a2692, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 05:35:05,027 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 05:35:05,033 INFO L276 IsEmpty]: Start isEmpty. Operand has 131 states, 80 states have (on average 1.425) internal successors, (114), 81 states have internal predecessors, (114), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-20 05:35:05,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-20 05:35:05,052 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:35:05,053 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:35:05,054 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:35:05,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:35:05,060 INFO L85 PathProgramCache]: Analyzing trace with hash -741077870, now seen corresponding path program 1 times [2024-11-20 05:35:05,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:35:05,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981692255] [2024-11-20 05:35:05,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:35:05,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:35:05,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:05,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:35:05,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:05,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:35:05,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:05,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:35:05,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:05,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:35:05,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:05,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:35:05,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:05,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:35:05,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:05,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:35:05,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:05,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:35:05,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:05,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:35:05,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:05,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:35:05,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:05,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:35:05,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:05,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:35:05,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:05,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:35:05,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:05,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:35:05,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:05,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:35:05,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:05,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:35:05,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:05,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:35:05,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:05,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:35:05,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:05,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:35:05,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:05,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:35:05,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:05,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:35:05,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:05,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:35:05,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:05,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 05:35:05,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:05,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:35:05,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:05,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 05:35:05,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:05,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:35:05,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:05,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 05:35:05,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:05,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 05:35:05,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:05,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 05:35:05,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:05,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 05:35:05,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:05,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 05:35:05,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:05,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 05:35:05,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:05,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 05:35:05,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:05,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 05:35:05,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:05,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 05:35:05,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:05,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 05:35:05,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:05,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 05:35:05,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:05,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 05:35:05,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:05,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 05:35:05,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:05,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 05:35:05,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:05,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 05:35:05,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:05,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 05:35:05,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:05,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 05:35:05,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:05,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 05:35:05,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:05,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-20 05:35:05,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:05,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-20 05:35:05,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:05,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-20 05:35:05,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:05,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 05:35:05,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:05,906 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-20 05:35:05,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:35:05,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981692255] [2024-11-20 05:35:05,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981692255] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:35:05,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:35:05,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 05:35:05,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919805794] [2024-11-20 05:35:05,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:35:05,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 05:35:05,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:35:05,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 05:35:05,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 05:35:05,975 INFO L87 Difference]: Start difference. First operand has 131 states, 80 states have (on average 1.425) internal successors, (114), 81 states have internal predecessors, (114), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-20 05:35:06,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:35:06,112 INFO L93 Difference]: Finished difference Result 255 states and 462 transitions. [2024-11-20 05:35:06,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 05:35:06,115 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) Word has length 295 [2024-11-20 05:35:06,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:35:06,136 INFO L225 Difference]: With dead ends: 255 [2024-11-20 05:35:06,136 INFO L226 Difference]: Without dead ends: 127 [2024-11-20 05:35:06,143 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 05:35:06,150 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 05:35:06,152 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 05:35:06,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-20 05:35:06,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2024-11-20 05:35:06,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 77 states have (on average 1.3896103896103895) internal successors, (107), 77 states have internal predecessors, (107), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-20 05:35:06,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 203 transitions. [2024-11-20 05:35:06,224 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 203 transitions. Word has length 295 [2024-11-20 05:35:06,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:35:06,225 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 203 transitions. [2024-11-20 05:35:06,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-20 05:35:06,226 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 203 transitions. [2024-11-20 05:35:06,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-20 05:35:06,235 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:35:06,236 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:35:06,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 05:35:06,237 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:35:06,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:35:06,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1251433866, now seen corresponding path program 1 times [2024-11-20 05:35:06,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:35:06,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444198282] [2024-11-20 05:35:06,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:35:06,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:35:06,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:06,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:35:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:06,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:35:06,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:06,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:35:06,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:06,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:35:06,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:06,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:35:06,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:06,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:35:06,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:06,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:35:06,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:06,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:35:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:06,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:35:06,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:06,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:35:06,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:06,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:35:06,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:06,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:35:06,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:06,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:35:06,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:06,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:35:06,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:06,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:35:06,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:06,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:35:06,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:06,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:35:06,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:06,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:35:06,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:06,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:35:06,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:06,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:35:06,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:06,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:35:06,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:06,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:35:06,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:06,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 05:35:06,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:06,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:35:06,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:06,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 05:35:06,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:06,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:35:06,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:06,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 05:35:06,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:06,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 05:35:06,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:06,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 05:35:06,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:06,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 05:35:06,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:06,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 05:35:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:06,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 05:35:06,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:06,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 05:35:06,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:06,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 05:35:06,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:06,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 05:35:06,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:06,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 05:35:06,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:06,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 05:35:06,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:06,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 05:35:06,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:06,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 05:35:06,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:06,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 05:35:06,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:06,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 05:35:06,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:06,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 05:35:06,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:06,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 05:35:06,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:06,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 05:35:06,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:06,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-20 05:35:06,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:06,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-20 05:35:06,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:06,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-20 05:35:06,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:06,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 05:35:06,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:06,970 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-20 05:35:06,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:35:06,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444198282] [2024-11-20 05:35:06,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444198282] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:35:06,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:35:06,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 05:35:06,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574085796] [2024-11-20 05:35:06,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:35:06,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 05:35:06,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:35:06,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 05:35:06,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 05:35:06,979 INFO L87 Difference]: Start difference. First operand 127 states and 203 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-20 05:35:07,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:35:07,076 INFO L93 Difference]: Finished difference Result 358 states and 579 transitions. [2024-11-20 05:35:07,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 05:35:07,077 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 295 [2024-11-20 05:35:07,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:35:07,083 INFO L225 Difference]: With dead ends: 358 [2024-11-20 05:35:07,083 INFO L226 Difference]: Without dead ends: 234 [2024-11-20 05:35:07,084 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 05:35:07,089 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 92 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 05:35:07,090 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 388 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 05:35:07,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-11-20 05:35:07,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 219. [2024-11-20 05:35:07,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 120 states have (on average 1.325) internal successors, (159), 120 states have internal predecessors, (159), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-20 05:35:07,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 351 transitions. [2024-11-20 05:35:07,150 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 351 transitions. Word has length 295 [2024-11-20 05:35:07,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:35:07,154 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 351 transitions. [2024-11-20 05:35:07,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-20 05:35:07,155 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 351 transitions. [2024-11-20 05:35:07,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-11-20 05:35:07,164 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:35:07,164 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:35:07,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 05:35:07,164 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:35:07,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:35:07,165 INFO L85 PathProgramCache]: Analyzing trace with hash -729029896, now seen corresponding path program 1 times [2024-11-20 05:35:07,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:35:07,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848275386] [2024-11-20 05:35:07,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:35:07,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:35:07,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:07,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:35:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:07,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:35:07,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:07,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:35:07,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:07,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:35:07,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:07,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:35:07,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:07,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:35:07,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:07,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:35:07,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:07,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:35:07,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:07,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:35:07,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:07,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:35:07,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:07,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:35:07,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:07,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:35:07,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:07,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:35:07,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:07,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:35:07,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:07,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:35:07,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:07,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:35:07,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:07,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:35:07,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:07,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:35:07,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:07,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:35:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:07,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:35:07,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:07,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:35:07,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:07,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:35:07,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:07,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 05:35:07,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:07,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:35:07,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:07,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 05:35:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:07,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:35:07,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:07,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 05:35:07,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:07,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 05:35:07,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:07,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 05:35:07,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:07,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 05:35:07,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:07,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 05:35:07,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:07,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 05:35:07,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:07,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 05:35:07,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:07,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 05:35:07,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:07,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 05:35:07,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:07,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 05:35:07,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:07,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 05:35:07,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:07,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 05:35:07,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:07,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 05:35:07,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:07,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 05:35:07,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:07,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 05:35:07,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:07,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 05:35:07,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:08,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 05:35:08,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:08,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 05:35:08,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:08,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-20 05:35:08,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:08,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-20 05:35:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:08,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-20 05:35:08,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:08,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 05:35:08,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:08,039 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-20 05:35:08,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:35:08,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848275386] [2024-11-20 05:35:08,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848275386] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:35:08,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:35:08,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 05:35:08,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051510619] [2024-11-20 05:35:08,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:35:08,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 05:35:08,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:35:08,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 05:35:08,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 05:35:08,043 INFO L87 Difference]: Start difference. First operand 219 states and 351 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-20 05:35:08,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:35:08,363 INFO L93 Difference]: Finished difference Result 357 states and 575 transitions. [2024-11-20 05:35:08,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 05:35:08,364 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 296 [2024-11-20 05:35:08,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:35:08,368 INFO L225 Difference]: With dead ends: 357 [2024-11-20 05:35:08,368 INFO L226 Difference]: Without dead ends: 230 [2024-11-20 05:35:08,369 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 05:35:08,370 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 85 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 05:35:08,370 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 451 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 05:35:08,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-11-20 05:35:08,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 220. [2024-11-20 05:35:08,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 121 states have (on average 1.322314049586777) internal successors, (160), 121 states have internal predecessors, (160), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-20 05:35:08,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 352 transitions. [2024-11-20 05:35:08,437 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 352 transitions. Word has length 296 [2024-11-20 05:35:08,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:35:08,438 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 352 transitions. [2024-11-20 05:35:08,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-20 05:35:08,440 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 352 transitions. [2024-11-20 05:35:08,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-11-20 05:35:08,443 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:35:08,444 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:35:08,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 05:35:08,444 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:35:08,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:35:08,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1144945132, now seen corresponding path program 1 times [2024-11-20 05:35:08,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:35:08,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135412395] [2024-11-20 05:35:08,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:35:08,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:35:08,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:09,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:35:09,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:09,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:35:09,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:09,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:35:09,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:09,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:35:09,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:09,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:35:09,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:09,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:35:09,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:09,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:35:09,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:09,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:35:09,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:09,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:35:09,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:09,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:35:09,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:09,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:35:09,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:09,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:35:09,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:09,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:35:09,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:09,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:35:09,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:09,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:35:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:09,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:35:09,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:09,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:35:09,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:09,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:35:09,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:09,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:35:09,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:09,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:35:09,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:09,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:35:09,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:09,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:35:09,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:09,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 05:35:09,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:09,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:35:09,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:09,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 05:35:09,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:09,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:35:09,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:09,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 05:35:09,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:09,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 05:35:09,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:09,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 05:35:09,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:09,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 05:35:09,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:09,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 05:35:09,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:09,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 05:35:09,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:09,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 05:35:09,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:09,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 05:35:09,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:09,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 05:35:09,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:09,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 05:35:09,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:09,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 05:35:09,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:09,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 05:35:09,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:09,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 05:35:09,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:09,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 05:35:09,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:09,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 05:35:09,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:09,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 05:35:09,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:09,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 05:35:09,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:09,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 05:35:09,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:09,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-20 05:35:09,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:09,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-20 05:35:09,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:09,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-20 05:35:09,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:09,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 05:35:10,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:10,009 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-20 05:35:10,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:35:10,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135412395] [2024-11-20 05:35:10,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135412395] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:35:10,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:35:10,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 05:35:10,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810007084] [2024-11-20 05:35:10,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:35:10,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 05:35:10,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:35:10,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 05:35:10,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-20 05:35:10,012 INFO L87 Difference]: Start difference. First operand 220 states and 352 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-20 05:35:10,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:35:10,796 INFO L93 Difference]: Finished difference Result 377 states and 603 transitions. [2024-11-20 05:35:10,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 05:35:10,796 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 297 [2024-11-20 05:35:10,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:35:10,799 INFO L225 Difference]: With dead ends: 377 [2024-11-20 05:35:10,800 INFO L226 Difference]: Without dead ends: 253 [2024-11-20 05:35:10,801 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-20 05:35:10,802 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 204 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 730 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 05:35:10,802 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 730 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 05:35:10,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2024-11-20 05:35:10,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 232. [2024-11-20 05:35:10,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 133 states have (on average 1.3533834586466165) internal successors, (180), 133 states have internal predecessors, (180), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-20 05:35:10,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 372 transitions. [2024-11-20 05:35:10,848 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 372 transitions. Word has length 297 [2024-11-20 05:35:10,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:35:10,849 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 372 transitions. [2024-11-20 05:35:10,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-20 05:35:10,849 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 372 transitions. [2024-11-20 05:35:10,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-11-20 05:35:10,852 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:35:10,853 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:35:10,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 05:35:10,853 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:35:10,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:35:10,854 INFO L85 PathProgramCache]: Analyzing trace with hash 886779694, now seen corresponding path program 1 times [2024-11-20 05:35:10,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:35:10,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250143034] [2024-11-20 05:35:10,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:35:10,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:35:10,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:11,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:35:11,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:11,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:35:11,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:11,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:35:11,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:11,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:35:11,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:11,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:35:11,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:11,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:35:11,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:11,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:35:11,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:11,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:35:11,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:11,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:35:11,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:11,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:35:11,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:11,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:35:11,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:11,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:35:11,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:11,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:35:11,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:11,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:35:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:11,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:35:11,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:11,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:35:11,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:11,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:35:11,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:11,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:35:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:11,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:35:11,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:11,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:35:11,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:11,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:35:11,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:11,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:35:11,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:11,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 05:35:11,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:11,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:35:11,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:11,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 05:35:11,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:11,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:35:11,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:11,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 05:35:11,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:11,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 05:35:11,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:11,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 05:35:11,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:11,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 05:35:11,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:11,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 05:35:11,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:11,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 05:35:11,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:11,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 05:35:11,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:11,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 05:35:11,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:11,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 05:35:11,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:11,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 05:35:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:11,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 05:35:11,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:11,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 05:35:11,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:11,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 05:35:11,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:11,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 05:35:11,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:11,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 05:35:11,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:11,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 05:35:12,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:12,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 05:35:12,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:12,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 05:35:12,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:12,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-20 05:35:12,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:12,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-20 05:35:12,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:12,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-20 05:35:12,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:12,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 05:35:12,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:12,087 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-20 05:35:12,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:35:12,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250143034] [2024-11-20 05:35:12,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250143034] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:35:12,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:35:12,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 05:35:12,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646686063] [2024-11-20 05:35:12,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:35:12,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 05:35:12,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:35:12,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 05:35:12,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 05:35:12,094 INFO L87 Difference]: Start difference. First operand 232 states and 372 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-20 05:35:12,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:35:12,776 INFO L93 Difference]: Finished difference Result 378 states and 609 transitions. [2024-11-20 05:35:12,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 05:35:12,777 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 297 [2024-11-20 05:35:12,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:35:12,780 INFO L225 Difference]: With dead ends: 378 [2024-11-20 05:35:12,781 INFO L226 Difference]: Without dead ends: 244 [2024-11-20 05:35:12,782 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-20 05:35:12,782 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 137 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 681 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 05:35:12,785 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 681 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 05:35:12,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2024-11-20 05:35:12,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 236. [2024-11-20 05:35:12,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 137 states have (on average 1.3576642335766422) internal successors, (186), 137 states have internal predecessors, (186), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-20 05:35:12,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 378 transitions. [2024-11-20 05:35:12,839 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 378 transitions. Word has length 297 [2024-11-20 05:35:12,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:35:12,843 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 378 transitions. [2024-11-20 05:35:12,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-20 05:35:12,844 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 378 transitions. [2024-11-20 05:35:12,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-11-20 05:35:12,848 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:35:12,848 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:35:12,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 05:35:12,849 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:35:12,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:35:12,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1414042896, now seen corresponding path program 1 times [2024-11-20 05:35:12,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:35:12,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809689683] [2024-11-20 05:35:12,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:35:12,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:35:13,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:25,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:35:25,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:25,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:35:25,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:25,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:35:25,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:25,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:35:25,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:25,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:35:25,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:25,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:35:25,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:25,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:35:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:25,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:35:25,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:25,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:35:25,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:25,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:35:25,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:25,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:35:25,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:25,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:35:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:25,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:35:25,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:25,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:35:25,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:25,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:35:25,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:25,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:35:25,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:25,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:35:25,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:25,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:35:25,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:25,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:35:25,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:25,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:35:25,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:25,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:35:25,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:25,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:35:25,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:25,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 05:35:25,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:25,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:35:25,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:25,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 05:35:25,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:25,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:35:25,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:25,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 05:35:25,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:25,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 05:35:25,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:25,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 05:35:25,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:25,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 05:35:25,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:25,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 05:35:25,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:25,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 05:35:25,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:25,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 05:35:25,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:25,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 05:35:25,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:25,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 05:35:25,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:25,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 05:35:25,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:25,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 05:35:25,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:25,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 05:35:25,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:25,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 05:35:25,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:25,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 05:35:25,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:25,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 05:35:25,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:25,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 05:35:25,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:25,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 05:35:25,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:25,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 05:35:25,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:25,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-20 05:35:25,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:25,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-20 05:35:25,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:25,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-20 05:35:25,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:25,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 05:35:25,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:25,456 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-20 05:35:25,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:35:25,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809689683] [2024-11-20 05:35:25,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809689683] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:35:25,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:35:25,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-20 05:35:25,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434247620] [2024-11-20 05:35:25,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:35:25,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 05:35:25,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:35:25,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 05:35:25,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-20 05:35:25,461 INFO L87 Difference]: Start difference. First operand 236 states and 378 transitions. Second operand has 11 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-20 05:35:28,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:35:28,572 INFO L93 Difference]: Finished difference Result 467 states and 728 transitions. [2024-11-20 05:35:28,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 05:35:28,573 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 297 [2024-11-20 05:35:28,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:35:28,577 INFO L225 Difference]: With dead ends: 467 [2024-11-20 05:35:28,577 INFO L226 Difference]: Without dead ends: 343 [2024-11-20 05:35:28,578 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2024-11-20 05:35:28,585 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 676 mSDsluCounter, 786 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 676 SdHoareTripleChecker+Valid, 963 SdHoareTripleChecker+Invalid, 689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-20 05:35:28,586 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [676 Valid, 963 Invalid, 689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-20 05:35:28,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-11-20 05:35:28,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 249. [2024-11-20 05:35:28,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 150 states have (on average 1.3666666666666667) internal successors, (205), 150 states have internal predecessors, (205), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-20 05:35:28,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 397 transitions. [2024-11-20 05:35:28,641 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 397 transitions. Word has length 297 [2024-11-20 05:35:28,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:35:28,642 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 397 transitions. [2024-11-20 05:35:28,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-20 05:35:28,642 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 397 transitions. [2024-11-20 05:35:28,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-11-20 05:35:28,645 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:35:28,645 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:35:28,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 05:35:28,646 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:35:28,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:35:28,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1807069906, now seen corresponding path program 1 times [2024-11-20 05:35:28,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:35:28,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636994404] [2024-11-20 05:35:28,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:35:28,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:35:28,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:28,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:35:28,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:28,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:35:28,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:28,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:35:28,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:28,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:35:28,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:28,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:35:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:28,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:35:28,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:28,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:35:28,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:28,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:35:28,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:28,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:35:28,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:28,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:35:28,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:28,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:35:28,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:28,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:35:28,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:28,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:35:28,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:28,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:35:28,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:28,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:35:28,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:28,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:35:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:28,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:35:28,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:28,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:35:28,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:28,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:35:28,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:28,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:35:28,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:28,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:35:28,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:29,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:35:29,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:29,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 05:35:29,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:29,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:35:29,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:29,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 05:35:29,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:29,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:35:29,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:29,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 05:35:29,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:29,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 05:35:29,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:29,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 05:35:29,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:29,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 05:35:29,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:29,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 05:35:29,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:29,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 05:35:29,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:29,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 05:35:29,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:29,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 05:35:29,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:29,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 05:35:29,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:29,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 05:35:29,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:29,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 05:35:29,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:29,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 05:35:29,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:29,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 05:35:29,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:29,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 05:35:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:29,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 05:35:29,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:29,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 05:35:29,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:29,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 05:35:29,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:29,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 05:35:29,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:29,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-20 05:35:29,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:29,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-20 05:35:29,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:29,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-20 05:35:29,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:29,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 05:35:29,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:29,065 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-20 05:35:29,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:35:29,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636994404] [2024-11-20 05:35:29,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636994404] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:35:29,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:35:29,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 05:35:29,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395587654] [2024-11-20 05:35:29,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:35:29,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 05:35:29,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:35:29,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 05:35:29,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 05:35:29,068 INFO L87 Difference]: Start difference. First operand 249 states and 397 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-20 05:35:29,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:35:29,143 INFO L93 Difference]: Finished difference Result 410 states and 648 transitions. [2024-11-20 05:35:29,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 05:35:29,144 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 297 [2024-11-20 05:35:29,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:35:29,147 INFO L225 Difference]: With dead ends: 410 [2024-11-20 05:35:29,147 INFO L226 Difference]: Without dead ends: 286 [2024-11-20 05:35:29,148 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 05:35:29,149 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 42 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 05:35:29,151 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 599 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 05:35:29,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2024-11-20 05:35:29,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 283. [2024-11-20 05:35:29,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 179 states have (on average 1.3575418994413408) internal successors, (243), 180 states have internal predecessors, (243), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-20 05:35:29,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 443 transitions. [2024-11-20 05:35:29,197 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 443 transitions. Word has length 297 [2024-11-20 05:35:29,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:35:29,199 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 443 transitions. [2024-11-20 05:35:29,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-20 05:35:29,200 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 443 transitions. [2024-11-20 05:35:29,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-11-20 05:35:29,204 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:35:29,204 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:35:29,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 05:35:29,204 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:35:29,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:35:29,205 INFO L85 PathProgramCache]: Analyzing trace with hash -712978318, now seen corresponding path program 1 times [2024-11-20 05:35:29,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:35:29,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316771941] [2024-11-20 05:35:29,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:35:29,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:35:29,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:38,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:35:38,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:38,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:35:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:38,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:35:38,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:38,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:35:38,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:38,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:35:38,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:38,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:35:38,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:38,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:35:38,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:38,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:35:38,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:38,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:35:38,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:38,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:35:38,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:38,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:35:38,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:38,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:35:38,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:38,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:35:38,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:38,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:35:38,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:38,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:35:38,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:38,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:35:38,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:38,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:35:38,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:38,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:35:38,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:38,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:35:38,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:38,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:35:38,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:38,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:35:38,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:38,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:35:38,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:38,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 05:35:38,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:38,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:35:38,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:38,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 05:35:38,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:38,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:35:38,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:38,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 05:35:38,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:38,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 05:35:38,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:38,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 05:35:38,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:38,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 05:35:38,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:38,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 05:35:38,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:38,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 05:35:38,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:38,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 05:35:38,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:38,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 05:35:38,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:38,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 05:35:38,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:38,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 05:35:38,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:38,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 05:35:38,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:38,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 05:35:38,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:38,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 05:35:38,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:38,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 05:35:38,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:38,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 05:35:38,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:38,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 05:35:38,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:38,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 05:35:39,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:39,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 05:35:39,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:39,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-20 05:35:39,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:39,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-20 05:35:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:39,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-20 05:35:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:39,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 05:35:39,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:39,018 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-20 05:35:39,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:35:39,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316771941] [2024-11-20 05:35:39,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316771941] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:35:39,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:35:39,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 05:35:39,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031537447] [2024-11-20 05:35:39,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:35:39,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 05:35:39,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:35:39,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 05:35:39,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-20 05:35:39,022 INFO L87 Difference]: Start difference. First operand 283 states and 443 transitions. Second operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-20 05:35:40,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:35:40,060 INFO L93 Difference]: Finished difference Result 479 states and 741 transitions. [2024-11-20 05:35:40,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 05:35:40,062 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 297 [2024-11-20 05:35:40,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:35:40,066 INFO L225 Difference]: With dead ends: 479 [2024-11-20 05:35:40,067 INFO L226 Difference]: Without dead ends: 323 [2024-11-20 05:35:40,068 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-20 05:35:40,068 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 115 mSDsluCounter, 779 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 965 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-20 05:35:40,069 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 965 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-20 05:35:40,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-11-20 05:35:40,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 281. [2024-11-20 05:35:40,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 177 states have (on average 1.3615819209039548) internal successors, (241), 178 states have internal predecessors, (241), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-20 05:35:40,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 441 transitions. [2024-11-20 05:35:40,107 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 441 transitions. Word has length 297 [2024-11-20 05:35:40,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:35:40,109 INFO L471 AbstractCegarLoop]: Abstraction has 281 states and 441 transitions. [2024-11-20 05:35:40,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-20 05:35:40,109 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 441 transitions. [2024-11-20 05:35:40,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2024-11-20 05:35:40,112 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:35:40,113 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:35:40,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 05:35:40,113 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:35:40,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:35:40,114 INFO L85 PathProgramCache]: Analyzing trace with hash 222382064, now seen corresponding path program 1 times [2024-11-20 05:35:40,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:35:40,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550765531] [2024-11-20 05:35:40,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:35:40,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:35:40,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:46,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:35:46,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:46,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:35:46,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:46,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:35:46,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:46,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:35:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:46,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:35:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:46,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:35:46,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:46,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:35:46,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:46,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:35:46,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:46,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:35:46,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:46,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:35:46,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:46,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:35:46,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:46,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:35:46,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:46,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:35:46,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:46,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:35:46,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:46,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:35:46,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:46,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:35:46,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:46,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:35:46,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:46,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:35:46,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:46,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:35:46,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:46,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:35:46,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:46,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:35:46,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:46,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:35:46,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:46,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 05:35:46,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:46,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:35:46,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:46,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 05:35:46,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:46,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:35:46,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:46,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 05:35:46,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:46,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 05:35:46,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:47,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 05:35:47,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:47,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 05:35:47,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:47,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 05:35:47,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:47,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 05:35:47,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:47,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 05:35:47,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:47,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 05:35:47,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:47,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 05:35:47,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:47,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 05:35:47,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:47,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 05:35:47,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:47,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 05:35:47,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:47,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 05:35:47,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:47,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 05:35:47,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:47,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 05:35:47,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:47,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 05:35:47,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:47,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 05:35:47,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:47,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 05:35:47,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:47,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-20 05:35:47,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:47,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-20 05:35:47,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:47,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-20 05:35:47,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:47,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 05:35:47,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:47,141 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-20 05:35:47,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:35:47,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550765531] [2024-11-20 05:35:47,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550765531] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:35:47,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:35:47,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-20 05:35:47,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711272408] [2024-11-20 05:35:47,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:35:47,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-20 05:35:47,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:35:47,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-20 05:35:47,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-11-20 05:35:47,145 INFO L87 Difference]: Start difference. First operand 281 states and 441 transitions. Second operand has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 14 states have internal predecessors, (61), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-20 05:35:49,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:35:49,473 INFO L93 Difference]: Finished difference Result 647 states and 978 transitions. [2024-11-20 05:35:49,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 05:35:49,474 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 14 states have internal predecessors, (61), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) Word has length 298 [2024-11-20 05:35:49,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:35:49,478 INFO L225 Difference]: With dead ends: 647 [2024-11-20 05:35:49,478 INFO L226 Difference]: Without dead ends: 481 [2024-11-20 05:35:49,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=144, Invalid=408, Unknown=0, NotChecked=0, Total=552 [2024-11-20 05:35:49,479 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 564 mSDsluCounter, 1248 mSDsCounter, 0 mSdLazyCounter, 1078 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 564 SdHoareTripleChecker+Valid, 1422 SdHoareTripleChecker+Invalid, 1272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 1078 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-20 05:35:49,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [564 Valid, 1422 Invalid, 1272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 1078 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-20 05:35:49,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2024-11-20 05:35:49,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 286. [2024-11-20 05:35:49,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 182 states have (on average 1.3681318681318682) internal successors, (249), 183 states have internal predecessors, (249), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-20 05:35:49,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 449 transitions. [2024-11-20 05:35:49,522 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 449 transitions. Word has length 298 [2024-11-20 05:35:49,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:35:49,522 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 449 transitions. [2024-11-20 05:35:49,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 14 states have internal predecessors, (61), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-20 05:35:49,523 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 449 transitions. [2024-11-20 05:35:49,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2024-11-20 05:35:49,524 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:35:49,524 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:35:49,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 05:35:49,525 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:35:49,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:35:49,525 INFO L85 PathProgramCache]: Analyzing trace with hash -170644946, now seen corresponding path program 1 times [2024-11-20 05:35:49,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:35:49,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892493355] [2024-11-20 05:35:49,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:35:49,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:35:49,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:57,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:35:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:57,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:35:57,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:57,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:35:57,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:57,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:35:57,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:57,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:35:57,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:57,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:35:57,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:57,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:35:57,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:57,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:35:57,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:57,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:35:57,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:57,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:35:57,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:57,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:35:57,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:57,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:35:57,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:57,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:35:57,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:57,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:35:57,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:57,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:35:57,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:57,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:35:57,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:57,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:35:57,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:57,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:35:57,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:57,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:35:57,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:57,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:35:57,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:57,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:35:57,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:57,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:35:57,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:57,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 05:35:57,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:57,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:35:57,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:57,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 05:35:57,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:57,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:35:57,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:57,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 05:35:57,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:57,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 05:35:57,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:57,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 05:35:57,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:57,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 05:35:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:57,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 05:35:57,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:57,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 05:35:57,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:57,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 05:35:57,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:57,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 05:35:57,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:57,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 05:35:57,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:57,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 05:35:57,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:57,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 05:35:57,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:57,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 05:35:57,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:57,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 05:35:57,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:57,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 05:35:57,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:57,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 05:35:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:57,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 05:35:57,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:57,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 05:35:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:57,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 05:35:57,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:57,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-20 05:35:57,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:57,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-20 05:35:57,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:57,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-20 05:35:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:57,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 05:35:57,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:35:57,921 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-20 05:35:57,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:35:57,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892493355] [2024-11-20 05:35:57,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892493355] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:35:57,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:35:57,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-20 05:35:57,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745219395] [2024-11-20 05:35:57,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:35:57,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-20 05:35:57,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:35:57,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-20 05:35:57,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-20 05:35:57,923 INFO L87 Difference]: Start difference. First operand 286 states and 449 transitions. Second operand has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 13 states have internal predecessors, (61), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-20 05:36:00,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:36:00,735 INFO L93 Difference]: Finished difference Result 615 states and 934 transitions. [2024-11-20 05:36:00,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-20 05:36:00,737 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 13 states have internal predecessors, (61), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) Word has length 298 [2024-11-20 05:36:00,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:36:00,740 INFO L225 Difference]: With dead ends: 615 [2024-11-20 05:36:00,741 INFO L226 Difference]: Without dead ends: 449 [2024-11-20 05:36:00,742 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=118, Invalid=388, Unknown=0, NotChecked=0, Total=506 [2024-11-20 05:36:00,743 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 419 mSDsluCounter, 1255 mSDsCounter, 0 mSdLazyCounter, 1351 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 1453 SdHoareTripleChecker+Invalid, 1545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 1351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-20 05:36:00,743 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 1453 Invalid, 1545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 1351 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-20 05:36:00,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2024-11-20 05:36:00,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 294. [2024-11-20 05:36:00,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 190 states have (on average 1.368421052631579) internal successors, (260), 191 states have internal predecessors, (260), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-20 05:36:00,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 460 transitions. [2024-11-20 05:36:00,785 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 460 transitions. Word has length 298 [2024-11-20 05:36:00,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:36:00,786 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 460 transitions. [2024-11-20 05:36:00,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 13 states have internal predecessors, (61), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-20 05:36:00,787 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 460 transitions. [2024-11-20 05:36:00,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2024-11-20 05:36:00,788 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:36:00,789 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:36:00,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 05:36:00,789 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:36:00,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:36:00,790 INFO L85 PathProgramCache]: Analyzing trace with hash 923446642, now seen corresponding path program 1 times [2024-11-20 05:36:00,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:36:00,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412505529] [2024-11-20 05:36:00,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:36:00,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:36:00,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:36:06,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:36:06,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:36:06,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:36:06,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:36:06,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:36:06,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:36:06,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:36:06,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:36:06,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:36:06,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:36:06,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:36:06,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:36:06,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:36:06,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:36:06,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:36:06,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:36:06,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:36:06,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:36:06,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:36:06,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:36:06,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:36:06,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:36:06,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:36:06,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:36:06,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:36:06,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:36:06,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:36:06,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:36:06,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:36:06,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:36:06,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:36:06,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:36:06,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:36:06,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:36:06,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:36:06,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:36:06,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:36:06,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:36:06,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:36:06,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:36:06,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:36:06,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:36:06,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:36:06,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:36:06,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 05:36:06,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:36:06,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:36:06,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:36:06,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 05:36:06,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:36:06,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:36:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:36:06,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 05:36:06,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:36:06,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 05:36:06,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:36:06,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 05:36:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:36:06,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 05:36:06,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:36:06,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 05:36:06,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:36:06,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 05:36:06,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:36:06,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 05:36:06,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:36:06,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 05:36:06,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:36:06,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 05:36:06,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:36:06,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 05:36:06,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:36:06,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 05:36:06,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:36:06,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 05:36:06,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:36:06,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 05:36:06,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:36:06,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 05:36:06,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:36:06,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 05:36:06,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:36:06,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 05:36:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:36:06,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 05:36:06,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:36:06,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 05:36:06,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:36:06,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-20 05:36:06,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:36:06,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-20 05:36:06,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:36:06,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-20 05:36:06,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:36:06,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 05:36:06,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:36:06,795 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-20 05:36:06,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:36:06,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412505529] [2024-11-20 05:36:06,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412505529] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:36:06,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:36:06,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-20 05:36:06,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659472020] [2024-11-20 05:36:06,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:36:06,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-20 05:36:06,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:36:06,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-20 05:36:06,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-20 05:36:06,800 INFO L87 Difference]: Start difference. First operand 294 states and 460 transitions. Second operand has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-20 05:36:11,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:36:11,009 INFO L93 Difference]: Finished difference Result 640 states and 964 transitions. [2024-11-20 05:36:11,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-20 05:36:11,010 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 298 [2024-11-20 05:36:11,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:36:11,013 INFO L225 Difference]: With dead ends: 640 [2024-11-20 05:36:11,013 INFO L226 Difference]: Without dead ends: 474 [2024-11-20 05:36:11,014 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=212, Invalid=658, Unknown=0, NotChecked=0, Total=870 [2024-11-20 05:36:11,015 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 486 mSDsluCounter, 817 mSDsCounter, 0 mSdLazyCounter, 728 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 486 SdHoareTripleChecker+Valid, 1000 SdHoareTripleChecker+Invalid, 875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-20 05:36:11,015 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [486 Valid, 1000 Invalid, 875 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 728 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-20 05:36:11,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2024-11-20 05:36:11,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 295. [2024-11-20 05:36:11,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 191 states have (on average 1.3717277486910995) internal successors, (262), 192 states have internal predecessors, (262), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-20 05:36:11,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 462 transitions. [2024-11-20 05:36:11,058 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 462 transitions. Word has length 298 [2024-11-20 05:36:11,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:36:11,059 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 462 transitions. [2024-11-20 05:36:11,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-20 05:36:11,059 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 462 transitions. [2024-11-20 05:36:11,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2024-11-20 05:36:11,061 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:36:11,061 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:36:11,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 05:36:11,061 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:36:11,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:36:11,062 INFO L85 PathProgramCache]: Analyzing trace with hash 530419632, now seen corresponding path program 1 times [2024-11-20 05:36:11,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:36:11,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771712477] [2024-11-20 05:36:11,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:36:11,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:36:11,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat