./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-10.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8880bc6b55ab6b26a36a9709c52577c78f4355aea8bee56c9643da00ec93f3ee --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 05:26:18,266 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 05:26:18,342 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 05:26:18,350 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 05:26:18,353 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 05:26:18,390 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 05:26:18,391 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 05:26:18,392 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 05:26:18,392 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 05:26:18,393 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 05:26:18,394 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 05:26:18,395 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 05:26:18,395 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 05:26:18,396 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 05:26:18,396 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 05:26:18,399 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 05:26:18,399 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 05:26:18,400 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 05:26:18,400 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 05:26:18,400 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 05:26:18,400 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 05:26:18,401 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 05:26:18,401 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 05:26:18,401 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 05:26:18,402 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 05:26:18,402 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 05:26:18,402 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 05:26:18,402 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 05:26:18,403 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 05:26:18,403 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 05:26:18,403 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 05:26:18,403 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 05:26:18,404 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 05:26:18,404 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 05:26:18,404 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 05:26:18,404 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 05:26:18,405 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 05:26:18,405 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 05:26:18,405 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 05:26:18,405 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 05:26:18,406 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 05:26:18,406 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 05:26:18,406 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8880bc6b55ab6b26a36a9709c52577c78f4355aea8bee56c9643da00ec93f3ee [2024-11-20 05:26:18,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 05:26:18,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 05:26:18,689 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 05:26:18,690 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 05:26:18,691 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 05:26:18,692 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-10.i [2024-11-20 05:26:20,181 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 05:26:20,407 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 05:26:20,407 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-10.i [2024-11-20 05:26:20,420 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/784416665/04b0d9b1101140d58664162acf30e81b/FLAGa3b1139f8 [2024-11-20 05:26:20,433 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/784416665/04b0d9b1101140d58664162acf30e81b [2024-11-20 05:26:20,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 05:26:20,436 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 05:26:20,437 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 05:26:20,437 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 05:26:20,442 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 05:26:20,443 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:26:20" (1/1) ... [2024-11-20 05:26:20,443 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@336b668e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:20, skipping insertion in model container [2024-11-20 05:26:20,444 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:26:20" (1/1) ... [2024-11-20 05:26:20,474 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 05:26:20,675 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-10.i[919,932] [2024-11-20 05:26:20,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 05:26:20,803 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 05:26:20,817 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-10.i[919,932] [2024-11-20 05:26:20,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 05:26:20,893 INFO L204 MainTranslator]: Completed translation [2024-11-20 05:26:20,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:20 WrapperNode [2024-11-20 05:26:20,898 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 05:26:20,900 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 05:26:20,900 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 05:26:20,900 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 05:26:20,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:20" (1/1) ... [2024-11-20 05:26:20,921 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:20" (1/1) ... [2024-11-20 05:26:20,970 INFO L138 Inliner]: procedures = 26, calls = 55, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 318 [2024-11-20 05:26:20,970 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 05:26:20,971 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 05:26:20,971 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 05:26:20,971 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 05:26:20,983 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:20" (1/1) ... [2024-11-20 05:26:20,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:20" (1/1) ... [2024-11-20 05:26:20,991 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:20" (1/1) ... [2024-11-20 05:26:21,025 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 05:26:21,025 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:20" (1/1) ... [2024-11-20 05:26:21,026 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:20" (1/1) ... [2024-11-20 05:26:21,038 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:20" (1/1) ... [2024-11-20 05:26:21,043 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:20" (1/1) ... [2024-11-20 05:26:21,047 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:20" (1/1) ... [2024-11-20 05:26:21,051 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:20" (1/1) ... [2024-11-20 05:26:21,061 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 05:26:21,062 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 05:26:21,062 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 05:26:21,062 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 05:26:21,064 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:20" (1/1) ... [2024-11-20 05:26:21,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 05:26:21,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 05:26:21,103 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 05:26:21,108 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 05:26:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 05:26:21,163 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 05:26:21,164 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 05:26:21,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 05:26:21,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 05:26:21,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 05:26:21,272 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 05:26:21,274 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 05:26:21,893 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-11-20 05:26:21,893 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 05:26:21,916 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 05:26:21,917 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 05:26:21,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:26:21 BoogieIcfgContainer [2024-11-20 05:26:21,918 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 05:26:21,921 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 05:26:21,922 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 05:26:21,925 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 05:26:21,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:26:20" (1/3) ... [2024-11-20 05:26:21,926 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@594bcbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:26:21, skipping insertion in model container [2024-11-20 05:26:21,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:20" (2/3) ... [2024-11-20 05:26:21,927 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@594bcbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:26:21, skipping insertion in model container [2024-11-20 05:26:21,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:26:21" (3/3) ... [2024-11-20 05:26:21,929 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-10.i [2024-11-20 05:26:21,947 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 05:26:21,947 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 05:26:22,063 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 05:26:22,072 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;@5e2b646d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 05:26:22,073 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 05:26:22,083 INFO L276 IsEmpty]: Start isEmpty. Operand has 139 states, 94 states have (on average 1.425531914893617) internal successors, (134), 95 states have internal predecessors, (134), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-20 05:26:22,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-11-20 05:26:22,104 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:26:22,105 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:26:22,106 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:26:22,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:26:22,110 INFO L85 PathProgramCache]: Analyzing trace with hash -540524557, now seen corresponding path program 1 times [2024-11-20 05:26:22,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:26:22,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821820999] [2024-11-20 05:26:22,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:26:22,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:26:22,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:22,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:26:22,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:22,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:26:22,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:22,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:26:22,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:22,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:26:22,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:22,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:26:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:22,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:26:22,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:22,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:26:22,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:22,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:26:22,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:22,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:26:22,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:22,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:26:22,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:22,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:26:22,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:22,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:26:22,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:22,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:26:22,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:22,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:26:22,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:22,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:26:22,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:22,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:26:22,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:22,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:26:22,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:22,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:26:22,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:22,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:26:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:22,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 05:26:22,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:22,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 05:26:22,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:22,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 05:26:22,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:22,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 05:26:22,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:22,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 05:26:22,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:22,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 05:26:22,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:22,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 05:26:22,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:22,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 05:26:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:22,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 05:26:22,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:22,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 05:26:22,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:22,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-20 05:26:22,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:22,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-20 05:26:22,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:22,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 05:26:22,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:22,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 05:26:22,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:22,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 05:26:22,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:22,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 05:26:22,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:22,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 05:26:22,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:22,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 05:26:22,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:22,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-20 05:26:22,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:22,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-20 05:26:22,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:22,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-20 05:26:22,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:22,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-20 05:26:22,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:22,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-20 05:26:22,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:22,778 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-20 05:26:22,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:26:22,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821820999] [2024-11-20 05:26:22,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821820999] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:26:22,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:26:22,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 05:26:22,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685283683] [2024-11-20 05:26:22,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:26:22,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 05:26:22,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:26:22,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 05:26:22,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 05:26:22,825 INFO L87 Difference]: Start difference. First operand has 139 states, 94 states have (on average 1.425531914893617) internal successors, (134), 95 states have internal predecessors, (134), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-20 05:26:22,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:26:22,869 INFO L93 Difference]: Finished difference Result 271 states and 472 transitions. [2024-11-20 05:26:22,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 05:26:22,871 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) Word has length 263 [2024-11-20 05:26:22,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:26:22,880 INFO L225 Difference]: With dead ends: 271 [2024-11-20 05:26:22,880 INFO L226 Difference]: Without dead ends: 135 [2024-11-20 05:26:22,886 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 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 05:26:22,891 INFO L432 NwaCegarLoop]: 211 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, 211 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 05:26:22,892 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 05:26:22,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-11-20 05:26:22,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2024-11-20 05:26:22,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 91 states have (on average 1.3956043956043955) internal successors, (127), 91 states have internal predecessors, (127), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-20 05:26:22,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 211 transitions. [2024-11-20 05:26:22,961 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 211 transitions. Word has length 263 [2024-11-20 05:26:22,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:26:22,961 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 211 transitions. [2024-11-20 05:26:22,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-20 05:26:22,962 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 211 transitions. [2024-11-20 05:26:22,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-11-20 05:26:22,972 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:26:22,972 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:26:22,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 05:26:22,972 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:26:22,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:26:22,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1472034875, now seen corresponding path program 1 times [2024-11-20 05:26:22,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:26:22,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408799727] [2024-11-20 05:26:22,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:26:22,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:26:23,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:23,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:26:23,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:23,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:26:23,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:23,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:26:23,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:23,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:26:23,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:23,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:26:23,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:23,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:26:23,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:23,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:26:23,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:23,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:26:23,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:23,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:26:23,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:23,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:26:23,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:23,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:26:23,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:23,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:26:23,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:23,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:26:23,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:23,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:26:23,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:23,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:26:23,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:23,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:26:23,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:23,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:26:23,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:23,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:26:23,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:23,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:26:23,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:23,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 05:26:23,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:23,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 05:26:23,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:23,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 05:26:23,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:23,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 05:26:23,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:23,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 05:26:23,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:23,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 05:26:23,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:23,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 05:26:23,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:23,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 05:26:23,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:23,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 05:26:23,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:23,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 05:26:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:23,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-20 05:26:23,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:23,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-20 05:26:23,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:23,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 05:26:23,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:23,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 05:26:23,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:23,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 05:26:23,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:23,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 05:26:23,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:23,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 05:26:23,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:23,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 05:26:23,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:23,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-20 05:26:23,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:23,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-20 05:26:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:23,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-20 05:26:23,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:23,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-20 05:26:23,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:23,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-20 05:26:23,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:23,824 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-20 05:26:23,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:26:23,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408799727] [2024-11-20 05:26:23,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408799727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:26:23,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:26:23,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 05:26:23,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128566945] [2024-11-20 05:26:23,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:26:23,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 05:26:23,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:26:23,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 05:26:23,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 05:26:23,829 INFO L87 Difference]: Start difference. First operand 135 states and 211 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-20 05:26:23,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:26:23,926 INFO L93 Difference]: Finished difference Result 368 states and 582 transitions. [2024-11-20 05:26:23,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 05:26:23,927 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 263 [2024-11-20 05:26:23,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:26:23,935 INFO L225 Difference]: With dead ends: 368 [2024-11-20 05:26:23,938 INFO L226 Difference]: Without dead ends: 236 [2024-11-20 05:26:23,940 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 05:26:23,943 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 91 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 05:26:23,944 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 401 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 05:26:23,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-20 05:26:23,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 216. [2024-11-20 05:26:23,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 129 states have (on average 1.3255813953488371) internal successors, (171), 129 states have internal predecessors, (171), 84 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-20 05:26:23,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 339 transitions. [2024-11-20 05:26:23,996 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 339 transitions. Word has length 263 [2024-11-20 05:26:23,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:26:23,997 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 339 transitions. [2024-11-20 05:26:23,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-20 05:26:23,998 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 339 transitions. [2024-11-20 05:26:24,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-11-20 05:26:24,008 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:26:24,008 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:26:24,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 05:26:24,008 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:26:24,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:26:24,009 INFO L85 PathProgramCache]: Analyzing trace with hash -467416965, now seen corresponding path program 1 times [2024-11-20 05:26:24,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:26:24,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506371929] [2024-11-20 05:26:24,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:26:24,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:26:24,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:24,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:26:24,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:24,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:26:24,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:24,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:26:24,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:24,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:26:24,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:24,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:26:24,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:24,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:26:24,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:24,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:26:24,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:24,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:26:24,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:24,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:26:24,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:24,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:26:24,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:24,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:26:24,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:24,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:26:24,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:24,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:26:24,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:24,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:26:24,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:24,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:26:24,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:24,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:26:24,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:24,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:26:24,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:24,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:26:24,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:24,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:26:24,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:24,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 05:26:24,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:24,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 05:26:24,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:24,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 05:26:24,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:24,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 05:26:24,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:24,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 05:26:24,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:24,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 05:26:24,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:24,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 05:26:24,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:24,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 05:26:24,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:24,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 05:26:24,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:24,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 05:26:24,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:24,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-20 05:26:24,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:24,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-20 05:26:24,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:24,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 05:26:24,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:24,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 05:26:24,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:24,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 05:26:24,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:24,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 05:26:24,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:24,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 05:26:24,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:24,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 05:26:24,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:24,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-20 05:26:24,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:24,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-20 05:26:24,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:24,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-20 05:26:24,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:24,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-20 05:26:24,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:24,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-20 05:26:24,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:24,616 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-20 05:26:24,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:26:24,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506371929] [2024-11-20 05:26:24,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506371929] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:26:24,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:26:24,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 05:26:24,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125169444] [2024-11-20 05:26:24,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:26:24,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 05:26:24,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:26:24,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 05:26:24,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 05:26:24,622 INFO L87 Difference]: Start difference. First operand 216 states and 339 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-20 05:26:24,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:26:24,896 INFO L93 Difference]: Finished difference Result 400 states and 625 transitions. [2024-11-20 05:26:24,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 05:26:24,897 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 263 [2024-11-20 05:26:24,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:26:24,904 INFO L225 Difference]: With dead ends: 400 [2024-11-20 05:26:24,904 INFO L226 Difference]: Without dead ends: 268 [2024-11-20 05:26:24,905 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 05:26:24,906 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 164 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 05:26:24,906 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 601 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 05:26:24,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2024-11-20 05:26:24,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 234. [2024-11-20 05:26:24,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 147 states have (on average 1.3537414965986394) internal successors, (199), 147 states have internal predecessors, (199), 84 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-20 05:26:24,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 367 transitions. [2024-11-20 05:26:24,961 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 367 transitions. Word has length 263 [2024-11-20 05:26:24,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:26:24,962 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 367 transitions. [2024-11-20 05:26:24,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-20 05:26:24,963 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 367 transitions. [2024-11-20 05:26:24,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-20 05:26:24,968 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:26:24,968 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:26:24,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 05:26:24,970 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:26:24,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:26:24,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1524347362, now seen corresponding path program 1 times [2024-11-20 05:26:24,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:26:24,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730081152] [2024-11-20 05:26:24,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:26:24,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:26:25,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:45,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:26:45,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:45,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:26:45,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:45,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:26:45,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:45,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:26:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:45,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:26:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:45,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:26:45,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:45,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:26:45,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:45,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:26:45,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:45,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:26:45,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:45,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:26:45,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:45,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:26:45,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:45,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:26:45,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:45,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:26:45,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:45,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:26:45,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:45,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:26:45,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:45,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:26:45,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:45,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:26:45,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:45,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:26:45,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:45,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:26:45,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:45,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 05:26:45,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:45,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 05:26:45,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:45,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 05:26:45,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:45,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 05:26:45,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:45,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 05:26:45,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:45,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 05:26:45,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:45,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 05:26:45,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:45,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 05:26:45,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:45,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 05:26:45,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:45,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 05:26:45,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:45,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-20 05:26:45,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:45,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-20 05:26:45,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:45,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 05:26:45,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:45,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 05:26:45,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:45,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 05:26:45,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:45,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 05:26:45,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:45,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 05:26:45,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:45,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 05:26:45,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:45,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-20 05:26:45,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:45,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-20 05:26:45,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:45,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-20 05:26:45,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:45,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-20 05:26:45,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:45,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-20 05:26:45,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:45,606 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-20 05:26:45,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:26:45,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730081152] [2024-11-20 05:26:45,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730081152] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:26:45,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:26:45,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-20 05:26:45,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710154542] [2024-11-20 05:26:45,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:26:45,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-20 05:26:45,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:26:45,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-20 05:26:45,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-20 05:26:45,612 INFO L87 Difference]: Start difference. First operand 234 states and 367 transitions. Second operand has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-20 05:26:47,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:26:47,369 INFO L93 Difference]: Finished difference Result 606 states and 923 transitions. [2024-11-20 05:26:47,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-20 05:26:47,370 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 264 [2024-11-20 05:26:47,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:26:47,376 INFO L225 Difference]: With dead ends: 606 [2024-11-20 05:26:47,377 INFO L226 Difference]: Without dead ends: 474 [2024-11-20 05:26:47,378 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2024-11-20 05:26:47,379 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 551 mSDsluCounter, 956 mSDsCounter, 0 mSdLazyCounter, 794 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 551 SdHoareTripleChecker+Valid, 1158 SdHoareTripleChecker+Invalid, 942 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-20 05:26:47,380 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [551 Valid, 1158 Invalid, 942 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 794 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-20 05:26:47,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2024-11-20 05:26:47,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 363. [2024-11-20 05:26:47,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 230 states have (on average 1.317391304347826) internal successors, (303), 231 states have internal predecessors, (303), 126 states have call successors, (126), 6 states have call predecessors, (126), 6 states have return successors, (126), 125 states have call predecessors, (126), 126 states have call successors, (126) [2024-11-20 05:26:47,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 555 transitions. [2024-11-20 05:26:47,451 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 555 transitions. Word has length 264 [2024-11-20 05:26:47,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:26:47,452 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 555 transitions. [2024-11-20 05:26:47,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-20 05:26:47,452 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 555 transitions. [2024-11-20 05:26:47,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-20 05:26:47,455 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:26:47,455 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:26:47,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 05:26:47,456 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:26:47,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:26:47,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1183337378, now seen corresponding path program 1 times [2024-11-20 05:26:47,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:26:47,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722611733] [2024-11-20 05:26:47,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:26:47,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:26:47,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:08,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:27:08,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:08,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:27:08,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:08,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:27:08,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:08,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:27:08,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:08,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:27:08,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:08,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:27:08,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:08,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:27:08,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:08,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:27:08,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:08,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:27:08,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:08,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:27:08,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:08,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:27:08,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:08,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:27:08,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:08,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:27:08,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:08,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:27:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:08,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:27:08,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:08,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:27:08,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:08,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:27:08,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:08,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:27:08,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:08,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:27:08,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:08,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 05:27:08,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:08,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 05:27:08,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:08,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 05:27:08,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:08,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 05:27:08,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:08,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 05:27:08,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:08,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 05:27:08,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:08,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 05:27:08,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:08,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 05:27:08,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:08,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 05:27:08,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:08,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 05:27:08,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:08,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-20 05:27:08,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:08,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-20 05:27:08,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:08,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 05:27:08,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:08,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 05:27:08,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:08,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 05:27:08,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:08,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 05:27:08,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:08,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 05:27:08,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:08,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 05:27:08,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:08,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-20 05:27:08,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:08,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-20 05:27:08,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:08,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-20 05:27:08,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:08,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-20 05:27:08,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:08,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-20 05:27:08,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:08,840 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-20 05:27:08,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:27:08,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722611733] [2024-11-20 05:27:08,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722611733] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:27:08,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:27:08,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-20 05:27:08,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266592356] [2024-11-20 05:27:08,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:27:08,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-20 05:27:08,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:27:08,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-20 05:27:08,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-11-20 05:27:08,844 INFO L87 Difference]: Start difference. First operand 363 states and 555 transitions. Second operand has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 13 states have internal predecessors, (57), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-20 05:27:10,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:27:10,584 INFO L93 Difference]: Finished difference Result 775 states and 1158 transitions. [2024-11-20 05:27:10,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-20 05:27:10,585 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 13 states have internal predecessors, (57), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 264 [2024-11-20 05:27:10,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:27:10,591 INFO L225 Difference]: With dead ends: 775 [2024-11-20 05:27:10,592 INFO L226 Difference]: Without dead ends: 489 [2024-11-20 05:27:10,594 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=183, Invalid=323, Unknown=0, NotChecked=0, Total=506 [2024-11-20 05:27:10,594 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 473 mSDsluCounter, 919 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 473 SdHoareTripleChecker+Valid, 1130 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-20 05:27:10,597 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [473 Valid, 1130 Invalid, 824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-20 05:27:10,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2024-11-20 05:27:10,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 376. [2024-11-20 05:27:10,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 243 states have (on average 1.3209876543209877) internal successors, (321), 244 states have internal predecessors, (321), 126 states have call successors, (126), 6 states have call predecessors, (126), 6 states have return successors, (126), 125 states have call predecessors, (126), 126 states have call successors, (126) [2024-11-20 05:27:10,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 573 transitions. [2024-11-20 05:27:10,646 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 573 transitions. Word has length 264 [2024-11-20 05:27:10,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:27:10,648 INFO L471 AbstractCegarLoop]: Abstraction has 376 states and 573 transitions. [2024-11-20 05:27:10,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 13 states have internal predecessors, (57), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-20 05:27:10,649 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 573 transitions. [2024-11-20 05:27:10,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-20 05:27:10,652 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:27:10,652 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:27:10,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 05:27:10,653 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:27:10,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:27:10,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1963504478, now seen corresponding path program 1 times [2024-11-20 05:27:10,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:27:10,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576379035] [2024-11-20 05:27:10,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:27:10,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:27:10,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:23,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:27:23,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:23,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:27:23,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:23,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:27:23,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:23,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:27:23,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:23,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:27:23,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:23,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:27:23,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:23,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:27:23,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:23,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:27:23,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:23,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:27:23,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:23,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:27:23,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:23,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:27:23,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:23,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:27:23,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:23,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:27:23,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:23,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:27:23,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:23,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:27:23,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:23,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:27:23,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:23,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:27:23,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:23,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:27:23,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:23,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:27:23,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:23,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 05:27:23,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:23,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 05:27:23,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:23,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 05:27:23,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:23,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 05:27:23,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:23,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 05:27:23,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:23,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 05:27:23,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:23,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 05:27:23,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:23,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 05:27:23,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:23,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 05:27:23,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:23,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 05:27:23,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:23,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-20 05:27:23,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:23,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-20 05:27:23,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:23,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 05:27:23,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:23,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 05:27:23,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:23,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 05:27:23,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:23,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 05:27:23,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:23,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 05:27:23,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:23,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 05:27:23,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:23,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-20 05:27:23,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:23,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-20 05:27:23,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:23,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-20 05:27:23,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:23,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-20 05:27:23,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:23,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-20 05:27:23,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:27:23,921 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-20 05:27:23,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:27:23,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576379035] [2024-11-20 05:27:23,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576379035] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:27:23,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:27:23,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-20 05:27:23,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506594820] [2024-11-20 05:27:23,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:27:23,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-20 05:27:23,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:27:23,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-20 05:27:23,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-20 05:27:23,924 INFO L87 Difference]: Start difference. First operand 376 states and 573 transitions. Second operand has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-20 05:27:25,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:27:25,217 INFO L93 Difference]: Finished difference Result 760 states and 1140 transitions. [2024-11-20 05:27:25,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-20 05:27:25,218 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 264 [2024-11-20 05:27:25,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:27:25,223 INFO L225 Difference]: With dead ends: 760 [2024-11-20 05:27:25,223 INFO L226 Difference]: Without dead ends: 461 [2024-11-20 05:27:25,224 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=120, Invalid=222, Unknown=0, NotChecked=0, Total=342 [2024-11-20 05:27:25,226 INFO L432 NwaCegarLoop]: 216 mSDtfsCounter, 410 mSDsluCounter, 1205 mSDsCounter, 0 mSdLazyCounter, 816 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 1421 SdHoareTripleChecker+Invalid, 959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 816 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-20 05:27:25,226 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [410 Valid, 1421 Invalid, 959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 816 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-20 05:27:25,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2024-11-20 05:27:25,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 365. [2024-11-20 05:27:25,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 232 states have (on average 1.3146551724137931) internal successors, (305), 233 states have internal predecessors, (305), 126 states have call successors, (126), 6 states have call predecessors, (126), 6 states have return successors, (126), 125 states have call predecessors, (126), 126 states have call successors, (126) [2024-11-20 05:27:25,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 557 transitions. [2024-11-20 05:27:25,259 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 557 transitions. Word has length 264 [2024-11-20 05:27:25,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:27:25,259 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 557 transitions. [2024-11-20 05:27:25,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-20 05:27:25,260 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 557 transitions. [2024-11-20 05:27:25,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-20 05:27:25,263 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:27:25,264 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:27:25,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 05:27:25,264 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:27:25,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:27:25,265 INFO L85 PathProgramCache]: Analyzing trace with hash -469797344, now seen corresponding path program 1 times [2024-11-20 05:27:25,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:27:25,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761532450] [2024-11-20 05:27:25,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:27:25,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:27:25,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat