./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_fillercodesize_ps-cn-100_file-33.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_fillercodesize_ps-cn-100_file-33.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 f2b4a06eafce2211209c241f80b4923a38678cc2a6ff4b8235036176d9e38b73 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 03:00:30,259 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 03:00:30,331 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 03:00:30,336 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 03:00:30,338 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 03:00:30,362 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 03:00:30,363 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 03:00:30,364 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 03:00:30,364 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 03:00:30,365 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 03:00:30,365 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 03:00:30,365 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 03:00:30,366 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 03:00:30,366 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 03:00:30,367 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 03:00:30,367 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 03:00:30,367 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 03:00:30,368 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 03:00:30,368 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 03:00:30,368 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 03:00:30,369 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 03:00:30,369 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 03:00:30,370 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 03:00:30,370 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 03:00:30,370 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 03:00:30,371 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 03:00:30,371 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 03:00:30,371 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 03:00:30,372 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 03:00:30,372 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 03:00:30,372 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 03:00:30,373 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 03:00:30,373 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 03:00:30,373 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 03:00:30,374 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 03:00:30,374 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 03:00:30,374 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 03:00:30,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 03:00:30,375 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 03:00:30,375 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 03:00:30,380 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 03:00:30,381 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 03:00:30,381 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f2b4a06eafce2211209c241f80b4923a38678cc2a6ff4b8235036176d9e38b73 [2024-11-20 03:00:30,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 03:00:30,696 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 03:00:30,699 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 03:00:30,700 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 03:00:30,701 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 03:00:30,702 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-33.i [2024-11-20 03:00:32,232 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 03:00:32,471 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 03:00:32,472 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-33.i [2024-11-20 03:00:32,483 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd75dc173/18f52327e4ef4623891698e7342fd810/FLAG205c8751b [2024-11-20 03:00:32,501 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd75dc173/18f52327e4ef4623891698e7342fd810 [2024-11-20 03:00:32,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 03:00:32,505 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 03:00:32,506 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 03:00:32,506 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 03:00:32,513 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 03:00:32,513 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:00:32" (1/1) ... [2024-11-20 03:00:32,514 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f521007 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:00:32, skipping insertion in model container [2024-11-20 03:00:32,515 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:00:32" (1/1) ... [2024-11-20 03:00:32,554 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 03:00:32,740 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_fillercodesize_ps-cn-100_file-33.i[916,929] [2024-11-20 03:00:32,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 03:00:32,859 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 03:00:32,869 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_fillercodesize_ps-cn-100_file-33.i[916,929] [2024-11-20 03:00:32,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 03:00:32,947 INFO L204 MainTranslator]: Completed translation [2024-11-20 03:00:32,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:00:32 WrapperNode [2024-11-20 03:00:32,948 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 03:00:32,949 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 03:00:32,950 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 03:00:32,950 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 03:00:32,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:00:32" (1/1) ... [2024-11-20 03:00:32,970 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:00:32" (1/1) ... [2024-11-20 03:00:33,021 INFO L138 Inliner]: procedures = 26, calls = 69, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 341 [2024-11-20 03:00:33,022 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 03:00:33,023 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 03:00:33,023 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 03:00:33,023 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 03:00:33,038 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:00:32" (1/1) ... [2024-11-20 03:00:33,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:00:32" (1/1) ... [2024-11-20 03:00:33,055 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:00:32" (1/1) ... [2024-11-20 03:00:33,093 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-20 03:00:33,095 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:00:32" (1/1) ... [2024-11-20 03:00:33,095 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:00:32" (1/1) ... [2024-11-20 03:00:33,115 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:00:32" (1/1) ... [2024-11-20 03:00:33,119 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:00:32" (1/1) ... [2024-11-20 03:00:33,127 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:00:32" (1/1) ... [2024-11-20 03:00:33,135 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:00:32" (1/1) ... [2024-11-20 03:00:33,144 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 03:00:33,146 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 03:00:33,146 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 03:00:33,146 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 03:00:33,147 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:00:32" (1/1) ... [2024-11-20 03:00:33,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 03:00:33,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 03:00:33,191 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 03:00:33,196 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 03:00:33,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 03:00:33,244 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 03:00:33,245 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 03:00:33,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 03:00:33,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 03:00:33,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 03:00:33,363 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 03:00:33,367 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 03:00:34,072 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-20 03:00:34,072 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 03:00:34,096 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 03:00:34,097 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 03:00:34,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:00:34 BoogieIcfgContainer [2024-11-20 03:00:34,098 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 03:00:34,100 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 03:00:34,100 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 03:00:34,103 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 03:00:34,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 03:00:32" (1/3) ... [2024-11-20 03:00:34,105 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a6d52c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 03:00:34, skipping insertion in model container [2024-11-20 03:00:34,105 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:00:32" (2/3) ... [2024-11-20 03:00:34,106 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a6d52c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 03:00:34, skipping insertion in model container [2024-11-20 03:00:34,106 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:00:34" (3/3) ... [2024-11-20 03:00:34,107 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-100_file-33.i [2024-11-20 03:00:34,126 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 03:00:34,128 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 03:00:34,207 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 03:00:34,217 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;@28c70452, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 03:00:34,217 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 03:00:34,223 INFO L276 IsEmpty]: Start isEmpty. Operand has 151 states, 92 states have (on average 1.4565217391304348) internal successors, (134), 93 states have internal predecessors, (134), 56 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-20 03:00:34,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2024-11-20 03:00:34,247 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:00:34,248 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:00:34,248 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:00:34,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:00:34,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1105153007, now seen corresponding path program 1 times [2024-11-20 03:00:34,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:00:34,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112624076] [2024-11-20 03:00:34,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:00:34,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:00:34,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:34,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:00:34,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:34,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 03:00:34,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:34,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 03:00:34,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:34,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 03:00:34,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:34,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 03:00:34,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:34,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 03:00:34,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:34,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 03:00:34,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:34,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-20 03:00:34,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:34,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 03:00:34,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:34,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-20 03:00:34,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:34,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 03:00:34,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:34,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 03:00:34,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:34,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 03:00:34,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:34,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 03:00:34,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:34,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 03:00:34,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:34,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 03:00:34,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:34,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 03:00:34,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:34,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 03:00:34,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:34,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 03:00:34,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:34,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 03:00:34,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:34,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 03:00:34,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:34,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 03:00:34,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:34,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 03:00:35,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:35,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 03:00:35,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:35,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 03:00:35,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:35,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 03:00:35,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:35,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:00:35,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:35,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 03:00:35,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:35,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:00:35,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:35,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 03:00:35,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:35,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:00:35,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:35,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 03:00:35,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:35,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 03:00:35,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:35,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 03:00:35,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:35,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 03:00:35,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:35,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 03:00:35,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:35,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 03:00:35,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:35,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 03:00:35,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:35,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-20 03:00:35,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:35,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 03:00:35,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:35,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-20 03:00:35,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:35,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 03:00:35,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:35,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-20 03:00:35,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:35,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 03:00:35,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:35,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-20 03:00:35,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:35,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-20 03:00:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:35,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-20 03:00:35,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:35,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-20 03:00:35,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:35,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-20 03:00:35,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:35,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-20 03:00:35,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:35,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-20 03:00:35,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:35,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-11-20 03:00:35,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:35,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-11-20 03:00:35,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:35,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-11-20 03:00:35,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:35,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-11-20 03:00:35,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:35,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-11-20 03:00:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:35,227 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2024-11-20 03:00:35,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:00:35,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112624076] [2024-11-20 03:00:35,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112624076] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:00:35,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:00:35,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 03:00:35,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739238694] [2024-11-20 03:00:35,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:00:35,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 03:00:35,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:00:35,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 03:00:35,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 03:00:35,274 INFO L87 Difference]: Start difference. First operand has 151 states, 92 states have (on average 1.4565217391304348) internal successors, (134), 93 states have internal predecessors, (134), 56 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-11-20 03:00:35,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:00:35,337 INFO L93 Difference]: Finished difference Result 293 states and 538 transitions. [2024-11-20 03:00:35,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 03:00:35,341 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) Word has length 340 [2024-11-20 03:00:35,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:00:35,358 INFO L225 Difference]: With dead ends: 293 [2024-11-20 03:00:35,359 INFO L226 Difference]: Without dead ends: 145 [2024-11-20 03:00:35,364 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 114 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 03:00:35,367 INFO L432 NwaCegarLoop]: 233 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, 233 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 03:00:35,368 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 03:00:35,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-11-20 03:00:35,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2024-11-20 03:00:35,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 87 states have (on average 1.3908045977011494) internal successors, (121), 87 states have internal predecessors, (121), 56 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-20 03:00:35,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 233 transitions. [2024-11-20 03:00:35,458 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 233 transitions. Word has length 340 [2024-11-20 03:00:35,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:00:35,460 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 233 transitions. [2024-11-20 03:00:35,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-11-20 03:00:35,461 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 233 transitions. [2024-11-20 03:00:35,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2024-11-20 03:00:35,468 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:00:35,468 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:00:35,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 03:00:35,469 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:00:35,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:00:35,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1414806927, now seen corresponding path program 1 times [2024-11-20 03:00:35,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:00:35,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820752072] [2024-11-20 03:00:35,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:00:35,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:00:35,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:00:36,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 03:00:36,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 03:00:36,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 03:00:36,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 03:00:36,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 03:00:36,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 03:00:36,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-20 03:00:36,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 03:00:36,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-20 03:00:36,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 03:00:36,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 03:00:36,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 03:00:36,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 03:00:36,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 03:00:36,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 03:00:36,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 03:00:36,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 03:00:36,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 03:00:36,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 03:00:36,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 03:00:36,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 03:00:36,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 03:00:36,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 03:00:36,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 03:00:36,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 03:00:36,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:00:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 03:00:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:00:36,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 03:00:36,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:00:36,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 03:00:36,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 03:00:36,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 03:00:36,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 03:00:36,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 03:00:36,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 03:00:36,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 03:00:36,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-20 03:00:36,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 03:00:36,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-20 03:00:36,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 03:00:36,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-20 03:00:36,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 03:00:37,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-20 03:00:37,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-20 03:00:37,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-20 03:00:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-20 03:00:37,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-20 03:00:37,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-20 03:00:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-20 03:00:37,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-11-20 03:00:37,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-11-20 03:00:37,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-11-20 03:00:37,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-11-20 03:00:37,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-11-20 03:00:37,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,143 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2024-11-20 03:00:37,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:00:37,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820752072] [2024-11-20 03:00:37,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820752072] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:00:37,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:00:37,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 03:00:37,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708968247] [2024-11-20 03:00:37,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:00:37,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 03:00:37,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:00:37,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 03:00:37,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 03:00:37,153 INFO L87 Difference]: Start difference. First operand 145 states and 233 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-11-20 03:00:37,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:00:37,744 INFO L93 Difference]: Finished difference Result 434 states and 701 transitions. [2024-11-20 03:00:37,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 03:00:37,745 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) Word has length 340 [2024-11-20 03:00:37,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:00:37,750 INFO L225 Difference]: With dead ends: 434 [2024-11-20 03:00:37,750 INFO L226 Difference]: Without dead ends: 292 [2024-11-20 03:00:37,752 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 116 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 03:00:37,753 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 171 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 636 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 03:00:37,754 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 636 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 03:00:37,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-11-20 03:00:37,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 278. [2024-11-20 03:00:37,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 163 states have (on average 1.392638036809816) internal successors, (227), 163 states have internal predecessors, (227), 112 states have call successors, (112), 2 states have call predecessors, (112), 2 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2024-11-20 03:00:37,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 451 transitions. [2024-11-20 03:00:37,843 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 451 transitions. Word has length 340 [2024-11-20 03:00:37,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:00:37,846 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 451 transitions. [2024-11-20 03:00:37,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-11-20 03:00:37,847 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 451 transitions. [2024-11-20 03:00:37,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2024-11-20 03:00:37,850 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:00:37,851 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:00:37,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 03:00:37,851 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:00:37,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:00:37,852 INFO L85 PathProgramCache]: Analyzing trace with hash 926911741, now seen corresponding path program 1 times [2024-11-20 03:00:37,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:00:37,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268000960] [2024-11-20 03:00:37,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:00:37,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:00:37,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:00:38,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 03:00:38,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 03:00:38,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 03:00:38,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 03:00:38,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 03:00:38,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 03:00:38,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-20 03:00:38,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 03:00:38,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-20 03:00:38,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 03:00:38,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 03:00:38,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 03:00:38,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 03:00:38,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 03:00:38,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 03:00:38,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 03:00:38,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 03:00:38,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 03:00:38,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 03:00:38,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 03:00:38,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 03:00:38,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 03:00:38,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 03:00:38,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 03:00:38,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 03:00:38,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:00:38,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 03:00:38,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:00:38,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 03:00:38,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:00:38,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 03:00:38,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 03:00:38,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 03:00:38,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 03:00:38,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 03:00:38,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 03:00:38,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 03:00:38,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-20 03:00:38,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 03:00:38,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-20 03:00:38,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 03:00:38,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-20 03:00:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 03:00:38,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-20 03:00:38,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-20 03:00:38,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-20 03:00:38,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-20 03:00:38,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-20 03:00:38,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-20 03:00:38,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-20 03:00:38,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-11-20 03:00:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-11-20 03:00:38,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-11-20 03:00:38,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-11-20 03:00:38,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-11-20 03:00:38,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,589 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2024-11-20 03:00:38,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:00:38,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268000960] [2024-11-20 03:00:38,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268000960] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:00:38,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:00:38,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 03:00:38,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170050649] [2024-11-20 03:00:38,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:00:38,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 03:00:38,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:00:38,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 03:00:38,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 03:00:38,593 INFO L87 Difference]: Start difference. First operand 278 states and 451 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-11-20 03:00:38,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:00:38,978 INFO L93 Difference]: Finished difference Result 443 states and 712 transitions. [2024-11-20 03:00:38,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 03:00:38,979 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) Word has length 341 [2024-11-20 03:00:38,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:00:38,985 INFO L225 Difference]: With dead ends: 443 [2024-11-20 03:00:38,985 INFO L226 Difference]: Without dead ends: 288 [2024-11-20 03:00:38,986 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 116 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 03:00:38,989 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 168 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 03:00:38,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 641 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 03:00:38,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2024-11-20 03:00:39,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 279. [2024-11-20 03:00:39,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 164 states have (on average 1.3841463414634145) internal successors, (227), 164 states have internal predecessors, (227), 112 states have call successors, (112), 2 states have call predecessors, (112), 2 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2024-11-20 03:00:39,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 451 transitions. [2024-11-20 03:00:39,063 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 451 transitions. Word has length 341 [2024-11-20 03:00:39,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:00:39,065 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 451 transitions. [2024-11-20 03:00:39,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-11-20 03:00:39,065 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 451 transitions. [2024-11-20 03:00:39,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2024-11-20 03:00:39,068 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:00:39,069 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:00:39,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 03:00:39,069 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:00:39,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:00:39,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1465354284, now seen corresponding path program 1 times [2024-11-20 03:00:39,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:00:39,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012415267] [2024-11-20 03:00:39,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:00:39,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:00:39,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat