./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-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-pr-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 d402cd14beee6851ca97c58b2a2589220820214ac9c394c1c5bdac6dbc1a1025 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 05:02:16,608 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 05:02:16,668 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 05:02:16,672 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 05:02:16,673 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 05:02:16,701 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 05:02:16,702 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 05:02:16,702 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 05:02:16,703 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 05:02:16,703 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 05:02:16,703 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 05:02:16,731 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 05:02:16,732 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 05:02:16,733 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 05:02:16,733 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 05:02:16,735 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 05:02:16,735 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 05:02:16,735 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 05:02:16,735 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 05:02:16,736 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 05:02:16,737 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 05:02:16,737 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 05:02:16,738 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 05:02:16,738 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 05:02:16,738 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 05:02:16,738 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 05:02:16,738 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 05:02:16,738 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 05:02:16,739 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 05:02:16,739 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 05:02:16,739 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 05:02:16,739 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 05:02:16,739 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 05:02:16,740 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 05:02:16,740 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 05:02:16,740 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 05:02:16,740 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 05:02:16,740 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 05:02:16,740 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 05:02:16,740 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 05:02:16,741 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 05:02:16,746 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 05:02:16,746 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d402cd14beee6851ca97c58b2a2589220820214ac9c394c1c5bdac6dbc1a1025 [2024-11-20 05:02:16,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 05:02:16,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 05:02:16,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 05:02:16,982 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 05:02:16,985 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 05:02:16,987 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-81.i [2024-11-20 05:02:18,376 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 05:02:18,580 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 05:02:18,580 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-81.i [2024-11-20 05:02:18,588 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9c4a4a5d/cdd5322fb06c4ae290fa4a3cfa3b5039/FLAG0797dca42 [2024-11-20 05:02:18,600 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9c4a4a5d/cdd5322fb06c4ae290fa4a3cfa3b5039 [2024-11-20 05:02:18,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 05:02:18,604 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 05:02:18,605 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 05:02:18,605 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 05:02:18,610 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 05:02:18,610 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:02:18" (1/1) ... [2024-11-20 05:02:18,611 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354ceead and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:18, skipping insertion in model container [2024-11-20 05:02:18,611 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:02:18" (1/1) ... [2024-11-20 05:02:18,639 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 05:02:18,781 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-81.i[919,932] [2024-11-20 05:02:18,852 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 05:02:18,865 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 05:02:18,877 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-81.i[919,932] [2024-11-20 05:02:18,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 05:02:18,960 INFO L204 MainTranslator]: Completed translation [2024-11-20 05:02:18,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:18 WrapperNode [2024-11-20 05:02:18,961 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 05:02:18,962 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 05:02:18,963 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 05:02:18,963 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 05:02:18,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:18" (1/1) ... [2024-11-20 05:02:18,987 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:18" (1/1) ... [2024-11-20 05:02:19,027 INFO L138 Inliner]: procedures = 26, calls = 61, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 302 [2024-11-20 05:02:19,028 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 05:02:19,029 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 05:02:19,029 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 05:02:19,029 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 05:02:19,041 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:18" (1/1) ... [2024-11-20 05:02:19,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:18" (1/1) ... [2024-11-20 05:02:19,046 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:18" (1/1) ... [2024-11-20 05:02:19,063 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 05:02:19,064 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:18" (1/1) ... [2024-11-20 05:02:19,064 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:18" (1/1) ... [2024-11-20 05:02:19,075 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:18" (1/1) ... [2024-11-20 05:02:19,079 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:18" (1/1) ... [2024-11-20 05:02:19,082 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:18" (1/1) ... [2024-11-20 05:02:19,084 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:18" (1/1) ... [2024-11-20 05:02:19,090 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 05:02:19,091 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 05:02:19,091 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 05:02:19,091 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 05:02:19,092 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:18" (1/1) ... [2024-11-20 05:02:19,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 05:02:19,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 05:02:19,141 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 05:02:19,147 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 05:02:19,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 05:02:19,186 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 05:02:19,187 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 05:02:19,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 05:02:19,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 05:02:19,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 05:02:19,281 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 05:02:19,283 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 05:02:19,826 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-20 05:02:19,826 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 05:02:19,843 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 05:02:19,843 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 05:02:19,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:02:19 BoogieIcfgContainer [2024-11-20 05:02:19,844 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 05:02:19,846 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 05:02:19,846 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 05:02:19,848 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 05:02:19,849 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:02:18" (1/3) ... [2024-11-20 05:02:19,849 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72074b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:02:19, skipping insertion in model container [2024-11-20 05:02:19,850 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:18" (2/3) ... [2024-11-20 05:02:19,850 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72074b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:02:19, skipping insertion in model container [2024-11-20 05:02:19,850 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:02:19" (3/3) ... [2024-11-20 05:02:19,851 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-81.i [2024-11-20 05:02:19,867 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 05:02:19,867 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 05:02:19,941 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 05:02:19,949 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;@30f8490d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 05:02:19,949 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 05:02:19,954 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 05:02:19,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-20 05:02:19,971 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:02:19,972 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 05:02:19,973 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:02:19,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:02:19,977 INFO L85 PathProgramCache]: Analyzing trace with hash -479091727, now seen corresponding path program 1 times [2024-11-20 05:02:19,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:02:19,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506141545] [2024-11-20 05:02:19,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:02:19,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:02:20,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:20,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:02:20,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:20,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:02:20,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:20,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:02:20,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:20,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:02:20,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:20,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:02:20,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:20,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:02:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:20,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:02:20,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:20,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:02:20,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:20,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:02:20,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:20,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:02:20,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:20,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:02:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:20,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:02:20,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:20,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:02:20,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:20,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:02:20,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:20,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:02:20,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:20,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:02:20,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:20,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:02:20,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:20,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:02:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:20,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:02:20,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:20,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:02:20,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:20,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:02:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:20,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:02:20,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:20,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 05:02:20,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:20,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:02:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:20,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 05:02:20,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:20,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:02:20,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:20,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 05:02:20,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:20,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 05:02:20,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:20,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 05:02:20,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:20,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 05:02:20,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:20,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 05:02:20,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:20,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 05:02:20,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:20,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 05:02:20,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:20,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 05:02:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:20,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 05:02:20,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:20,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 05:02:20,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:20,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 05:02:20,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:20,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 05:02:20,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:20,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 05:02:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:20,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 05:02:20,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:20,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 05:02:20,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:20,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 05:02:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:20,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 05:02:20,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:20,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 05:02:20,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:20,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-20 05:02:20,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:20,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-20 05:02:20,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:20,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-20 05:02:20,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:20,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 05:02:20,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:20,456 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 05:02:20,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:02:20,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506141545] [2024-11-20 05:02:20,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506141545] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:02:20,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:02:20,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 05:02:20,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51866541] [2024-11-20 05:02:20,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:02:20,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 05:02:20,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:02:20,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 05:02:20,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 05:02:20,538 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 05:02:20,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:02:20,645 INFO L93 Difference]: Finished difference Result 255 states and 462 transitions. [2024-11-20 05:02:20,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 05:02:20,649 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 05:02:20,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:02:20,659 INFO L225 Difference]: With dead ends: 255 [2024-11-20 05:02:20,660 INFO L226 Difference]: Without dead ends: 127 [2024-11-20 05:02:20,665 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 05:02:20,670 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 05:02:20,673 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 05:02:20,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-20 05:02:20,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2024-11-20 05:02:20,734 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 05:02:20,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 203 transitions. [2024-11-20 05:02:20,743 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 203 transitions. Word has length 295 [2024-11-20 05:02:20,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:02:20,745 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 203 transitions. [2024-11-20 05:02:20,746 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 05:02:20,746 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 203 transitions. [2024-11-20 05:02:20,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-20 05:02:20,753 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:02:20,753 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 05:02:20,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 05:02:20,754 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:02:20,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:02:20,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1513420009, now seen corresponding path program 1 times [2024-11-20 05:02:20,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:02:20,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428118182] [2024-11-20 05:02:20,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:02:20,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:02:20,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:22,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:02:22,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:22,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:02:22,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:22,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:02:22,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:22,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:02:22,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:22,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:02:22,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:22,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:02:22,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:22,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:02:22,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:22,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:02:22,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:22,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:02:22,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:22,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:02:22,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:22,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:02:22,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:22,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:02:22,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:22,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:02:22,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:22,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:02:22,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:22,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:02:22,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:22,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:02:22,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:22,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:02:22,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:22,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:02:22,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:22,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:02:22,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:22,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:02:22,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:22,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:02:22,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:22,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:02:22,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:22,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 05:02:22,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:22,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:02:22,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:22,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 05:02:22,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:22,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:02:22,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:22,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 05:02:22,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:22,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 05:02:22,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:22,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 05:02:22,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:22,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 05:02:22,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:22,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 05:02:22,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:22,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 05:02:22,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:22,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 05:02:22,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:22,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 05:02:22,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:22,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 05:02:22,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:22,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 05:02:22,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:22,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 05:02:22,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:22,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 05:02:22,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:22,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 05:02:22,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:22,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 05:02:22,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:22,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 05:02:22,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:22,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 05:02:22,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:22,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 05:02:22,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:22,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 05:02:22,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:22,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-20 05:02:22,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:22,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-20 05:02:22,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:22,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-20 05:02:22,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:22,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 05:02:22,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:22,397 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 05:02:22,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:02:22,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428118182] [2024-11-20 05:02:22,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428118182] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:02:22,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:02:22,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 05:02:22,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267843657] [2024-11-20 05:02:22,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:02:22,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 05:02:22,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:02:22,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 05:02:22,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-20 05:02:22,403 INFO L87 Difference]: Start difference. First operand 127 states and 203 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 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 05:02:23,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:02:23,147 INFO L93 Difference]: Finished difference Result 410 states and 659 transitions. [2024-11-20 05:02:23,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 05:02:23,147 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 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 05:02:23,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:02:23,151 INFO L225 Difference]: With dead ends: 410 [2024-11-20 05:02:23,151 INFO L226 Difference]: Without dead ends: 286 [2024-11-20 05:02:23,152 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2024-11-20 05:02:23,153 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 357 mSDsluCounter, 613 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 789 SdHoareTripleChecker+Invalid, 574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 05:02:23,153 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 789 Invalid, 574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 427 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 05:02:23,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2024-11-20 05:02:23,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 215. [2024-11-20 05:02:23,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 116 states have (on average 1.3017241379310345) internal successors, (151), 116 states have internal predecessors, (151), 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 05:02:23,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 343 transitions. [2024-11-20 05:02:23,184 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 343 transitions. Word has length 295 [2024-11-20 05:02:23,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:02:23,185 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 343 transitions. [2024-11-20 05:02:23,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 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 05:02:23,185 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 343 transitions. [2024-11-20 05:02:23,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-20 05:02:23,188 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:02:23,188 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 05:02:23,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 05:02:23,189 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:02:23,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:02:23,189 INFO L85 PathProgramCache]: Analyzing trace with hash -787402581, now seen corresponding path program 1 times [2024-11-20 05:02:23,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:02:23,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660365165] [2024-11-20 05:02:23,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:02:23,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:02:23,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:25,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:02:25,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:25,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:02:25,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:25,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:02:25,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:25,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:02:25,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:25,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:02:25,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:25,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:02:25,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:25,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:02:25,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:25,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:02:25,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:25,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:02:25,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:25,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:02:25,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:25,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:02:25,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:25,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:02:25,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:25,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:02:25,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:25,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:02:25,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:25,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:02:25,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:25,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:02:25,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:25,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:02:25,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:25,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:02:25,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:25,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:02:25,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:25,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:02:25,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:25,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:02:25,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:25,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:02:25,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:25,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 05:02:25,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:25,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:02:25,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:25,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 05:02:25,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:25,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:02:25,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:25,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 05:02:25,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:25,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 05:02:25,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:25,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 05:02:25,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:25,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 05:02:25,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:25,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 05:02:25,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:25,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 05:02:25,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:25,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 05:02:25,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:25,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 05:02:25,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:25,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 05:02:25,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:25,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 05:02:25,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:25,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 05:02:25,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:25,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 05:02:25,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:25,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 05:02:25,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:25,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 05:02:25,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:25,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 05:02:25,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:25,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 05:02:25,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:25,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 05:02:25,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:25,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 05:02:25,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:25,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-20 05:02:25,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:25,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-20 05:02:25,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:25,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-20 05:02:25,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:25,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 05:02:25,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:25,670 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 05:02:25,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:02:25,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660365165] [2024-11-20 05:02:25,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660365165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:02:25,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:02:25,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-20 05:02:25,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337181129] [2024-11-20 05:02:25,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:02:25,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 05:02:25,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:02:25,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 05:02:25,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-20 05:02:25,674 INFO L87 Difference]: Start difference. First operand 215 states and 343 transitions. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 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 05:02:28,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:02:28,057 INFO L93 Difference]: Finished difference Result 612 states and 975 transitions. [2024-11-20 05:02:28,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-20 05:02:28,057 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 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 05:02:28,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:02:28,064 INFO L225 Difference]: With dead ends: 612 [2024-11-20 05:02:28,064 INFO L226 Difference]: Without dead ends: 488 [2024-11-20 05:02:28,069 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=149, Invalid=403, Unknown=0, NotChecked=0, Total=552 [2024-11-20 05:02:28,070 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 1279 mSDsluCounter, 1039 mSDsCounter, 0 mSdLazyCounter, 1105 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1279 SdHoareTripleChecker+Valid, 1229 SdHoareTripleChecker+Invalid, 1311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 1105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-20 05:02:28,070 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1279 Valid, 1229 Invalid, 1311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 1105 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-20 05:02:28,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2024-11-20 05:02:28,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 233. [2024-11-20 05:02:28,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 134 states have (on average 1.3507462686567164) internal successors, (181), 134 states have internal predecessors, (181), 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 05:02:28,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 373 transitions. [2024-11-20 05:02:28,144 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 373 transitions. Word has length 295 [2024-11-20 05:02:28,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:02:28,149 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 373 transitions. [2024-11-20 05:02:28,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 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 05:02:28,150 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 373 transitions. [2024-11-20 05:02:28,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-20 05:02:28,157 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:02:28,157 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 05:02:28,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 05:02:28,158 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:02:28,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:02:28,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1919216813, now seen corresponding path program 1 times [2024-11-20 05:02:28,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:02:28,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281392876] [2024-11-20 05:02:28,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:02:28,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:02:28,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:39,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:02:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:39,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:02:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:39,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:02:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:39,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:02:39,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:39,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:02:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:39,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:02:39,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:39,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:02:39,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:39,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:02:39,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:39,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:02:39,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:39,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:02:39,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:39,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:02:39,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:39,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:02:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:39,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:02:39,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:39,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:02:39,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:39,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:02:39,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:39,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:02:39,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:39,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:02:39,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:39,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:02:39,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:39,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:02:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:39,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:02:39,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:39,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:02:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:39,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:02:39,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:39,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 05:02:39,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:39,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:02:39,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:39,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 05:02:39,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:39,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:02:39,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:39,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 05:02:39,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:39,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 05:02:39,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:39,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 05:02:39,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:39,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 05:02:39,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:39,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 05:02:39,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:39,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 05:02:39,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:39,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 05:02:39,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:39,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 05:02:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:39,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 05:02:39,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:39,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 05:02:39,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:39,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 05:02:39,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:39,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 05:02:39,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:39,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 05:02:39,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:39,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 05:02:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:39,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 05:02:39,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:39,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 05:02:39,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:39,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 05:02:39,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:39,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 05:02:39,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:39,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-20 05:02:39,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:39,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-20 05:02:39,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:39,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-20 05:02:39,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:39,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 05:02:39,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:39,603 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 05:02:39,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:02:39,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281392876] [2024-11-20 05:02:39,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281392876] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:02:39,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:02:39,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-20 05:02:39,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525519423] [2024-11-20 05:02:39,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:02:39,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 05:02:39,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:02:39,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 05:02:39,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-20 05:02:39,606 INFO L87 Difference]: Start difference. First operand 233 states and 373 transitions. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 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 05:02:42,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:02:42,392 INFO L93 Difference]: Finished difference Result 567 states and 909 transitions. [2024-11-20 05:02:42,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 05:02:42,393 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 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 05:02:42,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:02:42,396 INFO L225 Difference]: With dead ends: 567 [2024-11-20 05:02:42,396 INFO L226 Difference]: Without dead ends: 443 [2024-11-20 05:02:42,401 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=117, Invalid=303, Unknown=0, NotChecked=0, Total=420 [2024-11-20 05:02:42,401 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 1000 mSDsluCounter, 786 mSDsCounter, 0 mSdLazyCounter, 608 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1000 SdHoareTripleChecker+Valid, 948 SdHoareTripleChecker+Invalid, 755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-20 05:02:42,402 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1000 Valid, 948 Invalid, 755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 608 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-20 05:02:42,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2024-11-20 05:02:42,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 281. [2024-11-20 05:02:42,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 182 states have (on average 1.445054945054945) internal successors, (263), 182 states have internal predecessors, (263), 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 05:02:42,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 455 transitions. [2024-11-20 05:02:42,433 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 455 transitions. Word has length 295 [2024-11-20 05:02:42,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:02:42,435 INFO L471 AbstractCegarLoop]: Abstraction has 281 states and 455 transitions. [2024-11-20 05:02:42,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 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 05:02:42,435 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 455 transitions. [2024-11-20 05:02:42,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-20 05:02:42,437 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:02:42,438 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 05:02:42,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 05:02:42,438 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:02:42,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:02:42,439 INFO L85 PathProgramCache]: Analyzing trace with hash 908099563, now seen corresponding path program 1 times [2024-11-20 05:02:42,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:02:42,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438575802] [2024-11-20 05:02:42,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:02:42,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:02:42,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:42,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:02:42,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:42,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:02:42,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:42,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:02:42,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:42,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:02:42,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:42,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:02:42,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:42,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:02:42,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:42,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:02:42,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:42,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:02:42,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:42,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:02:42,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:42,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:02:42,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:42,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:02:42,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:42,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:02:42,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:42,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:02:42,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:42,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:02:42,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:42,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:02:42,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:42,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:02:42,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:42,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:02:42,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:42,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:02:42,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:42,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:02:42,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:42,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:02:42,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:42,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:02:42,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:42,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:02:42,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:42,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 05:02:42,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:42,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:02:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:42,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 05:02:42,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:42,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:02:42,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:42,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 05:02:42,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:42,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 05:02:42,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:42,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 05:02:42,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:42,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 05:02:42,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:42,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 05:02:42,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:42,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 05:02:42,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:42,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 05:02:42,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:42,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 05:02:42,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:42,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 05:02:42,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:42,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 05:02:42,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:42,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 05:02:42,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:42,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 05:02:42,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:42,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 05:02:42,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:42,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 05:02:42,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:42,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 05:02:42,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:42,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 05:02:42,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:42,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 05:02:42,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:42,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 05:02:42,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:42,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-20 05:02:42,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:42,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-20 05:02:42,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:42,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-20 05:02:42,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:42,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 05:02:42,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:42,875 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 05:02:42,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:02:42,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438575802] [2024-11-20 05:02:42,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438575802] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:02:42,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:02:42,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 05:02:42,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044325215] [2024-11-20 05:02:42,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:02:42,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 05:02:42,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:02:42,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 05:02:42,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 05:02:42,879 INFO L87 Difference]: Start difference. First operand 281 states and 455 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 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 05:02:42,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:02:42,951 INFO L93 Difference]: Finished difference Result 476 states and 765 transitions. [2024-11-20 05:02:42,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 05:02:42,952 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 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 05:02:42,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:02:42,957 INFO L225 Difference]: With dead ends: 476 [2024-11-20 05:02:42,957 INFO L226 Difference]: Without dead ends: 345 [2024-11-20 05:02:42,958 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 05:02:42,959 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 72 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 05:02:42,959 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 600 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 05:02:42,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-20 05:02:42,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 342. [2024-11-20 05:02:43,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 238 states have (on average 1.4621848739495797) internal successors, (348), 239 states have internal predecessors, (348), 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 05:02:43,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 548 transitions. [2024-11-20 05:02:43,002 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 548 transitions. Word has length 295 [2024-11-20 05:02:43,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:02:43,003 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 548 transitions. [2024-11-20 05:02:43,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 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 05:02:43,004 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 548 transitions. [2024-11-20 05:02:43,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-20 05:02:43,009 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:02:43,009 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 05:02:43,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 05:02:43,009 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:02:43,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:02:43,010 INFO L85 PathProgramCache]: Analyzing trace with hash -364700755, now seen corresponding path program 1 times [2024-11-20 05:02:43,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:02:43,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977477698] [2024-11-20 05:02:43,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:02:43,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:02:43,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:43,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:02:43,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:43,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:02:43,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:43,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:02:43,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:43,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:02:43,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:43,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:02:43,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:43,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:02:43,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:43,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:02:43,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:43,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:02:43,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:43,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:02:43,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:43,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:02:43,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:43,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:02:43,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:43,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:02:43,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:43,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:02:43,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:43,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:02:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:43,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:02:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:43,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:02:43,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:43,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:02:43,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:43,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:02:43,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:43,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:02:43,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:43,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:02:43,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:43,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:02:43,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:43,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:02:43,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:43,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 05:02:43,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:43,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:02:43,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:43,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 05:02:43,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:43,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:02:43,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:43,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 05:02:43,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:43,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 05:02:43,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:43,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 05:02:43,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:43,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 05:02:43,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:43,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 05:02:43,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:43,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 05:02:43,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:43,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 05:02:43,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:43,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 05:02:43,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:43,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 05:02:43,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:43,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 05:02:43,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:43,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 05:02:43,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:43,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 05:02:43,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:43,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 05:02:43,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:43,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 05:02:43,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:43,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 05:02:43,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:43,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 05:02:43,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:43,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 05:02:43,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:43,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 05:02:43,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:43,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-20 05:02:43,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:43,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-20 05:02:43,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:43,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-20 05:02:43,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:43,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 05:02:43,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:43,815 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 05:02:43,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:02:43,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977477698] [2024-11-20 05:02:43,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977477698] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:02:43,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:02:43,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 05:02:43,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4426519] [2024-11-20 05:02:43,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:02:43,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 05:02:43,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:02:43,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 05:02:43,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-20 05:02:43,818 INFO L87 Difference]: Start difference. First operand 342 states and 548 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 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 05:02:44,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:02:44,086 INFO L93 Difference]: Finished difference Result 831 states and 1323 transitions. [2024-11-20 05:02:44,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 05:02:44,087 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 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 05:02:44,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:02:44,093 INFO L225 Difference]: With dead ends: 831 [2024-11-20 05:02:44,093 INFO L226 Difference]: Without dead ends: 656 [2024-11-20 05:02:44,094 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-11-20 05:02:44,095 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 405 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 615 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 05:02:44,096 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 615 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 05:02:44,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2024-11-20 05:02:44,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 357. [2024-11-20 05:02:44,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 253 states have (on average 1.4782608695652173) internal successors, (374), 254 states have internal predecessors, (374), 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 05:02:44,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 574 transitions. [2024-11-20 05:02:44,124 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 574 transitions. Word has length 295 [2024-11-20 05:02:44,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:02:44,125 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 574 transitions. [2024-11-20 05:02:44,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 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 05:02:44,125 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 574 transitions. [2024-11-20 05:02:44,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-20 05:02:44,128 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:02:44,128 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 05:02:44,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 05:02:44,129 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:02:44,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:02:44,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1953048657, now seen corresponding path program 1 times [2024-11-20 05:02:44,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:02:44,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001521695] [2024-11-20 05:02:44,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:02:44,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:02:44,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:53,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:02:53,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:53,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:02:53,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:53,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:02:53,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:53,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:02:53,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:53,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:02:53,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:54,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:02:54,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:54,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:02:54,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:54,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:02:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:54,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:02:54,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:54,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:02:54,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:54,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:02:54,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:54,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:02:54,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:54,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:02:54,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:54,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:02:54,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:54,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:02:54,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:54,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:02:54,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:54,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:02:54,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:54,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:02:54,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:54,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:02:54,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:54,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:02:54,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:54,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:02:54,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:54,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:02:54,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:54,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 05:02:54,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:54,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:02:54,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:54,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 05:02:54,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:54,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:02:54,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:54,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 05:02:54,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:54,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 05:02:54,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:54,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 05:02:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:54,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 05:02:54,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:54,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 05:02:54,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:54,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 05:02:54,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:54,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 05:02:54,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:54,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 05:02:54,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:54,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 05:02:54,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:54,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 05:02:54,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:54,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 05:02:54,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:54,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 05:02:54,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:54,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 05:02:54,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:54,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 05:02:54,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:54,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 05:02:54,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:54,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 05:02:54,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:54,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 05:02:54,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:54,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 05:02:54,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:54,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-20 05:02:54,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:54,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-20 05:02:54,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:54,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-20 05:02:54,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:54,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 05:02:54,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:54,105 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 05:02:54,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:02:54,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001521695] [2024-11-20 05:02:54,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001521695] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:02:54,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:02:54,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 05:02:54,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78453251] [2024-11-20 05:02:54,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:02:54,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 05:02:54,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:02:54,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 05:02:54,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-20 05:02:54,108 INFO L87 Difference]: Start difference. First operand 357 states and 574 transitions. Second operand has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 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 05:02:55,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:02:55,361 INFO L93 Difference]: Finished difference Result 636 states and 1018 transitions. [2024-11-20 05:02:55,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 05:02:55,362 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 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 05:02:55,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:02:55,364 INFO L225 Difference]: With dead ends: 636 [2024-11-20 05:02:55,364 INFO L226 Difference]: Without dead ends: 427 [2024-11-20 05:02:55,365 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 101 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-20 05:02:55,365 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 211 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 798 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-20 05:02:55,365 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 798 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-20 05:02:55,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2024-11-20 05:02:55,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 342. [2024-11-20 05:02:55,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 238 states have (on average 1.4621848739495797) internal successors, (348), 239 states have internal predecessors, (348), 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 05:02:55,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 548 transitions. [2024-11-20 05:02:55,391 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 548 transitions. Word has length 295 [2024-11-20 05:02:55,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:02:55,391 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 548 transitions. [2024-11-20 05:02:55,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 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 05:02:55,392 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 548 transitions. [2024-11-20 05:02:55,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-11-20 05:02:55,393 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:02:55,393 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 05:02:55,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 05:02:55,393 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:02:55,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:02:55,394 INFO L85 PathProgramCache]: Analyzing trace with hash 536651513, now seen corresponding path program 1 times [2024-11-20 05:02:55,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:02:55,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878600410] [2024-11-20 05:02:55,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:02:55,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:02:55,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:56,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:02:56,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:56,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:02:56,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:56,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:02:56,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:56,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:02:56,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:56,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:02:56,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:56,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:02:56,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:56,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:02:56,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:56,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:02:56,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:56,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:02:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:56,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:02:56,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:56,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:02:56,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:56,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:02:56,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:56,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:02:56,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:56,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:02:56,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:56,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:02:56,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:56,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:02:56,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:56,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:02:56,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:56,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:02:56,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:56,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:02:56,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:56,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:02:56,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:56,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:02:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:56,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:02:56,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:56,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 05:02:56,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:56,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:02:56,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:56,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 05:02:56,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:56,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:02:56,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:56,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 05:02:56,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:56,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 05:02:56,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:56,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 05:02:56,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:56,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 05:02:56,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:56,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 05:02:56,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:56,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 05:02:56,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:56,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 05:02:56,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:56,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 05:02:56,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:56,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 05:02:56,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:56,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 05:02:56,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:56,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 05:02:56,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:56,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 05:02:56,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:56,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 05:02:56,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:56,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 05:02:56,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:56,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 05:02:56,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:56,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 05:02:56,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:56,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 05:02:56,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:56,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 05:02:56,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:56,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-20 05:02:56,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:56,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-20 05:02:56,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:56,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-20 05:02:56,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:56,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 05:02:56,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:02:56,944 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 05:02:56,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:02:56,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878600410] [2024-11-20 05:02:56,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878600410] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:02:56,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:02:56,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 05:02:56,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159610256] [2024-11-20 05:02:56,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:02:56,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 05:02:56,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:02:56,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 05:02:56,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-20 05:02:56,950 INFO L87 Difference]: Start difference. First operand 342 states and 548 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 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 05:02:58,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:02:58,141 INFO L93 Difference]: Finished difference Result 802 states and 1289 transitions. [2024-11-20 05:02:58,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 05:02:58,142 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 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 05:02:58,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:02:58,146 INFO L225 Difference]: With dead ends: 802 [2024-11-20 05:02:58,146 INFO L226 Difference]: Without dead ends: 563 [2024-11-20 05:02:58,147 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2024-11-20 05:02:58,148 INFO L432 NwaCegarLoop]: 260 mSDtfsCounter, 230 mSDsluCounter, 820 mSDsCounter, 0 mSdLazyCounter, 731 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 1080 SdHoareTripleChecker+Invalid, 881 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-20 05:02:58,148 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 1080 Invalid, 881 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 731 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-20 05:02:58,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2024-11-20 05:02:58,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 471. [2024-11-20 05:02:58,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 367 states have (on average 1.5122615803814714) internal successors, (555), 368 states have internal predecessors, (555), 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 05:02:58,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 755 transitions. [2024-11-20 05:02:58,179 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 755 transitions. Word has length 296 [2024-11-20 05:02:58,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:02:58,179 INFO L471 AbstractCegarLoop]: Abstraction has 471 states and 755 transitions. [2024-11-20 05:02:58,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 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 05:02:58,180 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 755 transitions. [2024-11-20 05:02:58,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-11-20 05:02:58,181 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:02:58,182 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 05:02:58,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 05:02:58,182 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:02:58,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:02:58,183 INFO L85 PathProgramCache]: Analyzing trace with hash 92496221, now seen corresponding path program 1 times [2024-11-20 05:02:58,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:02:58,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422606426] [2024-11-20 05:02:58,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:02:58,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:02:58,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:13,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:03:13,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:13,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:03:13,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:13,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:03:13,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:13,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:03:13,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:13,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:03:13,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:13,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:03:13,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:13,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:03:13,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:13,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:03:13,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:13,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:03:13,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:13,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:03:13,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:13,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:03:13,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:13,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:03:13,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:13,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:03:13,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:13,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:03:13,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:13,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:03:13,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:13,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:03:13,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:13,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:03:13,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:13,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:03:13,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:13,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:03:13,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:13,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:03:13,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:13,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:03:13,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:13,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:03:13,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:13,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 05:03:13,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:13,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:03:13,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:13,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 05:03:13,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:13,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:03:13,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:13,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 05:03:13,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:13,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 05:03:13,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:13,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 05:03:13,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:13,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 05:03:13,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:13,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 05:03:13,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:13,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 05:03:13,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:13,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 05:03:13,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:13,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 05:03:13,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:13,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 05:03:13,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:13,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 05:03:13,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:13,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 05:03:13,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:13,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 05:03:13,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:13,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 05:03:13,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:13,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 05:03:13,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:13,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 05:03:13,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:13,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 05:03:13,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:13,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 05:03:13,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:13,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 05:03:13,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:13,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-20 05:03:13,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:13,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-20 05:03:13,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:13,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-20 05:03:13,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:13,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 05:03:13,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:13,333 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 05:03:13,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:03:13,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422606426] [2024-11-20 05:03:13,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422606426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:03:13,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:03:13,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-20 05:03:13,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775049484] [2024-11-20 05:03:13,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:03:13,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-20 05:03:13,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:03:13,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-20 05:03:13,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-20 05:03:13,336 INFO L87 Difference]: Start difference. First operand 471 states and 755 transitions. Second operand has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 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 05:03:18,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:03:18,087 INFO L93 Difference]: Finished difference Result 1367 states and 2117 transitions. [2024-11-20 05:03:18,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-20 05:03:18,088 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 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 05:03:18,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:03:18,100 INFO L225 Difference]: With dead ends: 1367 [2024-11-20 05:03:18,101 INFO L226 Difference]: Without dead ends: 1128 [2024-11-20 05:03:18,105 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 100 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=212, Invalid=718, Unknown=0, NotChecked=0, Total=930 [2024-11-20 05:03:18,107 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 1182 mSDsluCounter, 925 mSDsCounter, 0 mSdLazyCounter, 1324 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1182 SdHoareTripleChecker+Valid, 1089 SdHoareTripleChecker+Invalid, 1478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 1324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-20 05:03:18,107 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1182 Valid, 1089 Invalid, 1478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 1324 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-20 05:03:18,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2024-11-20 05:03:18,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 499. [2024-11-20 05:03:18,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 395 states have (on average 1.5367088607594936) internal successors, (607), 396 states have internal predecessors, (607), 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 05:03:18,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 807 transitions. [2024-11-20 05:03:18,155 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 807 transitions. Word has length 296 [2024-11-20 05:03:18,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:03:18,156 INFO L471 AbstractCegarLoop]: Abstraction has 499 states and 807 transitions. [2024-11-20 05:03:18,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 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 05:03:18,156 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 807 transitions. [2024-11-20 05:03:18,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-11-20 05:03:18,157 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:03:18,158 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 05:03:18,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 05:03:18,158 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:03:18,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:03:18,158 INFO L85 PathProgramCache]: Analyzing trace with hash -918621029, now seen corresponding path program 1 times [2024-11-20 05:03:18,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:03:18,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245331241] [2024-11-20 05:03:18,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:03:18,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:03:18,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:25,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:03:25,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:25,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:03:25,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:25,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:03:25,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:25,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:03:25,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:25,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:03:25,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:25,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:03:25,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:25,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:03:25,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:25,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:03:25,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:25,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:03:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:25,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:03:25,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:25,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:03:25,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:25,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:03:25,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:25,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:03:25,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:25,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:03:25,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:25,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:03:25,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:25,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:03:25,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:25,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:03:25,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:25,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:03:25,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:25,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:03:25,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:25,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:03:25,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:25,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:03:25,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:25,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:03:25,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:25,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 05:03:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:25,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:03:25,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:25,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 05:03:25,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:25,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:03:25,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:25,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 05:03:25,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:25,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 05:03:25,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:25,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 05:03:25,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:25,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 05:03:25,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:25,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 05:03:25,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:25,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 05:03:25,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:25,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 05:03:25,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:25,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 05:03:25,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:25,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 05:03:25,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:25,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 05:03:25,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:25,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 05:03:25,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:25,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 05:03:25,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:25,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 05:03:25,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:25,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 05:03:25,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:25,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 05:03:25,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:25,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 05:03:25,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:25,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 05:03:25,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:25,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 05:03:25,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:25,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-20 05:03:25,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:25,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-20 05:03:25,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:25,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-20 05:03:25,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:25,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 05:03:25,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:25,632 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 05:03:25,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:03:25,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245331241] [2024-11-20 05:03:25,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245331241] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:03:25,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:03:25,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-20 05:03:25,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290819666] [2024-11-20 05:03:25,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:03:25,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-20 05:03:25,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:03:25,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-20 05:03:25,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-20 05:03:25,638 INFO L87 Difference]: Start difference. First operand 499 states and 807 transitions. Second operand has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 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 05:03:27,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:03:27,405 INFO L93 Difference]: Finished difference Result 1073 states and 1706 transitions. [2024-11-20 05:03:27,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 05:03:27,405 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 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 296 [2024-11-20 05:03:27,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:03:27,409 INFO L225 Difference]: With dead ends: 1073 [2024-11-20 05:03:27,409 INFO L226 Difference]: Without dead ends: 831 [2024-11-20 05:03:27,410 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 99 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=110, Invalid=310, Unknown=0, NotChecked=0, Total=420 [2024-11-20 05:03:27,411 INFO L432 NwaCegarLoop]: 226 mSDtfsCounter, 581 mSDsluCounter, 1017 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 581 SdHoareTripleChecker+Valid, 1243 SdHoareTripleChecker+Invalid, 877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-20 05:03:27,411 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [581 Valid, 1243 Invalid, 877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 682 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-20 05:03:27,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2024-11-20 05:03:27,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 545. [2024-11-20 05:03:27,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 441 states have (on average 1.5328798185941044) internal successors, (676), 442 states have internal predecessors, (676), 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 05:03:27,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 876 transitions. [2024-11-20 05:03:27,444 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 876 transitions. Word has length 296 [2024-11-20 05:03:27,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:03:27,444 INFO L471 AbstractCegarLoop]: Abstraction has 545 states and 876 transitions. [2024-11-20 05:03:27,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 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 05:03:27,445 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 876 transitions. [2024-11-20 05:03:27,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-11-20 05:03:27,446 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:03:27,446 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 05:03:27,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 05:03:27,446 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:03:27,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:03:27,447 INFO L85 PathProgramCache]: Analyzing trace with hash 515198047, now seen corresponding path program 1 times [2024-11-20 05:03:27,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:03:27,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327866038] [2024-11-20 05:03:27,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:03:27,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:03:27,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:34,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:03:34,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:34,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:03:34,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:34,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:03:34,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:34,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:03:34,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:34,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:03:34,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:34,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:03:34,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:34,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:03:34,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:34,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:03:34,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:34,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:03:34,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:34,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:03:34,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:34,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:03:34,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:34,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:03:34,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:34,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:03:34,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:34,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:03:34,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:34,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:03:34,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:34,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:03:34,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:34,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:03:34,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:34,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:03:34,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:34,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:03:34,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:34,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:03:34,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:34,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:03:34,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:34,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:03:34,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:34,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 05:03:34,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:34,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:03:34,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:34,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 05:03:34,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:34,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:03:34,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:34,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 05:03:34,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:34,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 05:03:34,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:34,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 05:03:34,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:34,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 05:03:34,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:34,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 05:03:34,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:34,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 05:03:34,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:34,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 05:03:34,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:34,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 05:03:34,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:34,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 05:03:34,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:34,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 05:03:34,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:34,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 05:03:34,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:34,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 05:03:34,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:34,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 05:03:34,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:34,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 05:03:34,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:34,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 05:03:34,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:34,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 05:03:34,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:34,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 05:03:34,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:34,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 05:03:34,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:34,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-20 05:03:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:34,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-20 05:03:34,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:34,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-20 05:03:34,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:34,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 05:03:34,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:34,827 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 05:03:34,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:03:34,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327866038] [2024-11-20 05:03:34,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327866038] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:03:34,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:03:34,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-20 05:03:34,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538158326] [2024-11-20 05:03:34,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:03:34,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 05:03:34,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:03:34,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 05:03:34,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-20 05:03:34,829 INFO L87 Difference]: Start difference. First operand 545 states and 876 transitions. Second operand has 11 states, 11 states have (on average 5.363636363636363) internal successors, (59), 11 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 05:03:35,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:03:35,685 INFO L93 Difference]: Finished difference Result 1016 states and 1621 transitions. [2024-11-20 05:03:35,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 05:03:35,686 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.363636363636363) internal successors, (59), 11 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 05:03:35,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:03:35,689 INFO L225 Difference]: With dead ends: 1016 [2024-11-20 05:03:35,689 INFO L226 Difference]: Without dead ends: 777 [2024-11-20 05:03:35,690 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 100 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2024-11-20 05:03:35,690 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 484 mSDsluCounter, 664 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 825 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-20 05:03:35,691 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 825 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-20 05:03:35,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2024-11-20 05:03:35,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 565. [2024-11-20 05:03:35,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 461 states have (on average 1.5488069414316703) internal successors, (714), 462 states have internal predecessors, (714), 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 05:03:35,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 914 transitions. [2024-11-20 05:03:35,722 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 914 transitions. Word has length 296 [2024-11-20 05:03:35,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:03:35,722 INFO L471 AbstractCegarLoop]: Abstraction has 565 states and 914 transitions. [2024-11-20 05:03:35,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.363636363636363) internal successors, (59), 11 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 05:03:35,722 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 914 transitions. [2024-11-20 05:03:35,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-11-20 05:03:35,724 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:03:35,724 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 05:03:35,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 05:03:35,724 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:03:35,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:03:35,724 INFO L85 PathProgramCache]: Analyzing trace with hash -495919203, now seen corresponding path program 1 times [2024-11-20 05:03:35,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:03:35,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519451760] [2024-11-20 05:03:35,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:03:35,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:03:35,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:36,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:03:36,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:36,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:03:36,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:36,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:03:36,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:36,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:03:36,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:36,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:03:36,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:36,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:03:36,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:36,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:03:36,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:36,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:03:36,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:36,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:03:36,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:36,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:03:36,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:36,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:03:36,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:36,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:03:36,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:36,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:03:36,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:36,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:03:36,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:36,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:03:36,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:36,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:03:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:36,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:03:36,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:36,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:03:36,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:36,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:03:36,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:36,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:03:36,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:36,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:03:36,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:36,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:03:36,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:36,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 05:03:36,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:36,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:03:36,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:36,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 05:03:36,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:36,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:03:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:36,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 05:03:36,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:36,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 05:03:36,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:36,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 05:03:36,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:36,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 05:03:36,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:36,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 05:03:36,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:36,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 05:03:36,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:36,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 05:03:36,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:36,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 05:03:36,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:36,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 05:03:36,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:36,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 05:03:36,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:36,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 05:03:36,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:36,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 05:03:36,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:36,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 05:03:36,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:36,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 05:03:36,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:36,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 05:03:36,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:36,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 05:03:36,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:36,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 05:03:36,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:36,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 05:03:36,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:36,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-20 05:03:36,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:36,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-20 05:03:36,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:36,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-20 05:03:36,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:36,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 05:03:36,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:36,432 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 05:03:36,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:03:36,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519451760] [2024-11-20 05:03:36,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519451760] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:03:36,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:03:36,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 05:03:36,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866227280] [2024-11-20 05:03:36,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:03:36,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 05:03:36,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:03:36,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 05:03:36,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-20 05:03:36,434 INFO L87 Difference]: Start difference. First operand 565 states and 914 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 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 05:03:37,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:03:37,179 INFO L93 Difference]: Finished difference Result 1000 states and 1589 transitions. [2024-11-20 05:03:37,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 05:03:37,179 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 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 05:03:37,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:03:37,184 INFO L225 Difference]: With dead ends: 1000 [2024-11-20 05:03:37,185 INFO L226 Difference]: Without dead ends: 729 [2024-11-20 05:03:37,187 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2024-11-20 05:03:37,187 INFO L432 NwaCegarLoop]: 233 mSDtfsCounter, 489 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 489 SdHoareTripleChecker+Valid, 902 SdHoareTripleChecker+Invalid, 704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 05:03:37,187 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [489 Valid, 902 Invalid, 704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 05:03:37,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2024-11-20 05:03:37,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 541. [2024-11-20 05:03:37,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 437 states have (on average 1.5331807780320366) internal successors, (670), 438 states have internal predecessors, (670), 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 05:03:37,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 870 transitions. [2024-11-20 05:03:37,223 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 870 transitions. Word has length 296 [2024-11-20 05:03:37,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:03:37,223 INFO L471 AbstractCegarLoop]: Abstraction has 541 states and 870 transitions. [2024-11-20 05:03:37,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 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 05:03:37,223 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 870 transitions. [2024-11-20 05:03:37,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-11-20 05:03:37,225 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:03:37,225 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 05:03:37,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-20 05:03:37,225 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:03:37,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:03:37,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1546830617, now seen corresponding path program 1 times [2024-11-20 05:03:37,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:03:37,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460997916] [2024-11-20 05:03:37,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:03:37,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:03:37,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:37,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:03:37,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:37,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:03:37,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:37,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:03:37,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:37,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:03:37,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:37,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:03:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:37,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:03:37,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:37,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:03:37,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:37,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:03:37,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:37,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:03:37,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:37,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:03:37,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:37,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:03:37,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:37,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:03:37,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:37,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:03:37,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:37,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:03:37,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:37,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:03:37,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:37,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:03:37,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:37,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:03:37,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:37,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:03:37,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:37,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:03:37,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:37,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:03:37,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:37,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:03:37,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:37,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:03:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:37,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 05:03:37,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:37,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:03:37,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:37,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 05:03:37,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:37,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:03:37,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:37,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 05:03:37,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:37,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 05:03:37,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:37,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 05:03:37,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:37,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 05:03:37,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:37,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 05:03:37,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:37,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 05:03:37,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:37,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 05:03:37,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:37,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 05:03:37,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:37,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 05:03:37,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:37,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 05:03:37,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:37,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 05:03:37,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:37,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 05:03:37,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:37,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 05:03:37,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:37,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 05:03:37,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:37,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 05:03:37,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:37,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 05:03:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:37,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 05:03:37,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:37,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 05:03:37,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:37,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-20 05:03:37,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:37,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-20 05:03:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:37,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-20 05:03:37,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:37,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 05:03:37,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:37,478 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 05:03:37,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:03:37,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460997916] [2024-11-20 05:03:37,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460997916] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:03:37,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:03:37,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 05:03:37,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841319956] [2024-11-20 05:03:37,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:03:37,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 05:03:37,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:03:37,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 05:03:37,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 05:03:37,480 INFO L87 Difference]: Start difference. First operand 541 states and 870 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 05:03:37,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:03:37,565 INFO L93 Difference]: Finished difference Result 889 states and 1424 transitions. [2024-11-20 05:03:37,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 05:03:37,569 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 05:03:37,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:03:37,572 INFO L225 Difference]: With dead ends: 889 [2024-11-20 05:03:37,572 INFO L226 Difference]: Without dead ends: 621 [2024-11-20 05:03:37,574 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 100 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 05:03:37,575 INFO L432 NwaCegarLoop]: 253 mSDtfsCounter, 126 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 679 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 05:03:37,576 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 679 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 05:03:37,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2024-11-20 05:03:37,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 507. [2024-11-20 05:03:37,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 507 states, 406 states have (on average 1.541871921182266) internal successors, (626), 406 states have internal predecessors, (626), 96 states have call successors, (96), 4 states have call predecessors, (96), 4 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-20 05:03:37,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 818 transitions. [2024-11-20 05:03:37,612 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 818 transitions. Word has length 296 [2024-11-20 05:03:37,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:03:37,613 INFO L471 AbstractCegarLoop]: Abstraction has 507 states and 818 transitions. [2024-11-20 05:03:37,613 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 05:03:37,614 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 818 transitions. [2024-11-20 05:03:37,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-11-20 05:03:37,615 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:03:37,615 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 05:03:37,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-20 05:03:37,615 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:03:37,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:03:37,616 INFO L85 PathProgramCache]: Analyzing trace with hash 535713367, now seen corresponding path program 1 times [2024-11-20 05:03:37,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:03:37,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099870090] [2024-11-20 05:03:37,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:03:37,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:03:37,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:39,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:03:39,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:39,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:03:39,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:39,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:03:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:39,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:03:39,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:39,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:03:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:39,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:03:39,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:39,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:03:39,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:39,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:03:39,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:39,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:03:39,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:39,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:03:39,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:39,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:03:39,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:39,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:03:39,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:39,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:03:39,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:39,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:03:39,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:39,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:03:39,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:39,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:03:39,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:39,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:03:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:39,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:03:39,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:39,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:03:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:39,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:03:39,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:39,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:03:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:39,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:03:39,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:39,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 05:03:39,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:39,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:03:39,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:39,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 05:03:39,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:39,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:03:39,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:39,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 05:03:39,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:39,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 05:03:39,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:39,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 05:03:39,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:39,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 05:03:39,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:39,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 05:03:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:39,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 05:03:39,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:39,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 05:03:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:39,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 05:03:39,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:39,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 05:03:39,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:39,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 05:03:39,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:39,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 05:03:39,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:39,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 05:03:39,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:39,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 05:03:39,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:39,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 05:03:39,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:39,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 05:03:39,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:39,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 05:03:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:39,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 05:03:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:39,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 05:03:39,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:39,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-20 05:03:39,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:39,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-20 05:03:39,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:39,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-20 05:03:39,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:39,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 05:03:39,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:03:39,472 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 05:03:39,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:03:39,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099870090] [2024-11-20 05:03:39,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099870090] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:03:39,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:03:39,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-20 05:03:39,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118449241] [2024-11-20 05:03:39,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:03:39,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-20 05:03:39,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:03:39,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-20 05:03:39,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-20 05:03:39,476 INFO L87 Difference]: Start difference. First operand 507 states and 818 transitions. Second operand has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 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 05:03:41,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:03:41,543 INFO L93 Difference]: Finished difference Result 947 states and 1496 transitions. [2024-11-20 05:03:41,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-20 05:03:41,544 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 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 296 [2024-11-20 05:03:41,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:03:41,547 INFO L225 Difference]: With dead ends: 947 [2024-11-20 05:03:41,547 INFO L226 Difference]: Without dead ends: 706 [2024-11-20 05:03:41,548 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2024-11-20 05:03:41,549 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 679 mSDsluCounter, 1306 mSDsCounter, 0 mSdLazyCounter, 1126 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 679 SdHoareTripleChecker+Valid, 1534 SdHoareTripleChecker+Invalid, 1317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 1126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-20 05:03:41,549 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [679 Valid, 1534 Invalid, 1317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [191 Valid, 1126 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-20 05:03:41,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2024-11-20 05:03:41,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 530. [2024-11-20 05:03:41,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 530 states, 429 states have (on average 1.5454545454545454) internal successors, (663), 429 states have internal predecessors, (663), 96 states have call successors, (96), 4 states have call predecessors, (96), 4 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-20 05:03:41,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 855 transitions. [2024-11-20 05:03:41,589 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 855 transitions. Word has length 296 [2024-11-20 05:03:41,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:03:41,589 INFO L471 AbstractCegarLoop]: Abstraction has 530 states and 855 transitions. [2024-11-20 05:03:41,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 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 05:03:41,589 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 855 transitions. [2024-11-20 05:03:41,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-11-20 05:03:41,591 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:03:41,591 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 05:03:41,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-20 05:03:41,591 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:03:41,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:03:41,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1052634535, now seen corresponding path program 1 times [2024-11-20 05:03:41,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:03:41,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923984118] [2024-11-20 05:03:41,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:03:41,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:03:41,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat