./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-56.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-56.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 209d955e4aa698295d2b9de223025e0cdeda084fca84ca393d240b06171b106b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 02:22:25,455 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 02:22:25,511 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 02:22:25,514 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 02:22:25,516 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 02:22:25,546 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 02:22:25,546 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 02:22:25,547 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 02:22:25,547 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 02:22:25,548 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 02:22:25,548 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 02:22:25,548 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 02:22:25,549 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 02:22:25,549 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 02:22:25,551 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 02:22:25,551 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 02:22:25,551 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 02:22:25,552 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 02:22:25,552 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 02:22:25,552 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 02:22:25,556 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 02:22:25,557 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 02:22:25,557 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 02:22:25,557 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 02:22:25,558 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 02:22:25,558 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 02:22:25,558 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 02:22:25,558 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 02:22:25,559 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 02:22:25,559 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 02:22:25,559 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 02:22:25,559 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 02:22:25,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 02:22:25,560 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 02:22:25,560 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 02:22:25,561 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 02:22:25,561 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 02:22:25,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 02:22:25,562 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 02:22:25,562 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 02:22:25,562 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 02:22:25,562 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 02:22:25,562 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 209d955e4aa698295d2b9de223025e0cdeda084fca84ca393d240b06171b106b [2024-10-13 02:22:25,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 02:22:25,818 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 02:22:25,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 02:22:25,822 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 02:22:25,822 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 02:22:25,823 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-56.i [2024-10-13 02:22:27,243 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 02:22:27,456 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 02:22:27,456 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-56.i [2024-10-13 02:22:27,466 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e48b0a04b/e6844c578a3d4d818988ebc49afb7baa/FLAG1fa468eff [2024-10-13 02:22:27,479 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e48b0a04b/e6844c578a3d4d818988ebc49afb7baa [2024-10-13 02:22:27,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 02:22:27,483 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 02:22:27,484 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 02:22:27,485 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 02:22:27,489 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 02:22:27,490 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 02:22:27" (1/1) ... [2024-10-13 02:22:27,491 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d60d1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:22:27, skipping insertion in model container [2024-10-13 02:22:27,491 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 02:22:27" (1/1) ... [2024-10-13 02:22:27,522 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 02:22:27,675 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-56.i[919,932] [2024-10-13 02:22:27,784 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 02:22:27,829 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 02:22:27,846 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-56.i[919,932] [2024-10-13 02:22:27,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 02:22:27,928 INFO L204 MainTranslator]: Completed translation [2024-10-13 02:22:27,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:22:27 WrapperNode [2024-10-13 02:22:27,929 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 02:22:27,930 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 02:22:27,930 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 02:22:27,930 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 02:22:27,936 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:22:27" (1/1) ... [2024-10-13 02:22:27,948 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:22:27" (1/1) ... [2024-10-13 02:22:27,997 INFO L138 Inliner]: procedures = 26, calls = 67, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 285 [2024-10-13 02:22:27,998 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 02:22:27,999 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 02:22:27,999 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 02:22:27,999 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 02:22:28,009 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:22:27" (1/1) ... [2024-10-13 02:22:28,009 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:22:27" (1/1) ... [2024-10-13 02:22:28,022 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:22:27" (1/1) ... [2024-10-13 02:22:28,058 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-13 02:22:28,058 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:22:27" (1/1) ... [2024-10-13 02:22:28,058 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:22:27" (1/1) ... [2024-10-13 02:22:28,072 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:22:27" (1/1) ... [2024-10-13 02:22:28,076 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:22:27" (1/1) ... [2024-10-13 02:22:28,083 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:22:27" (1/1) ... [2024-10-13 02:22:28,086 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:22:27" (1/1) ... [2024-10-13 02:22:28,098 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 02:22:28,100 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 02:22:28,100 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 02:22:28,101 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 02:22:28,101 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:22:27" (1/1) ... [2024-10-13 02:22:28,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 02:22:28,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 02:22:28,131 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 02:22:28,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 02:22:28,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 02:22:28,188 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 02:22:28,189 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 02:22:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 02:22:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 02:22:28,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 02:22:28,296 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 02:22:28,300 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 02:22:28,781 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-10-13 02:22:28,781 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 02:22:28,832 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 02:22:28,834 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 02:22:28,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 02:22:28 BoogieIcfgContainer [2024-10-13 02:22:28,835 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 02:22:28,837 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 02:22:28,837 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 02:22:28,841 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 02:22:28,841 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 02:22:27" (1/3) ... [2024-10-13 02:22:28,842 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37d4289b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 02:22:28, skipping insertion in model container [2024-10-13 02:22:28,842 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:22:27" (2/3) ... [2024-10-13 02:22:28,843 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37d4289b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 02:22:28, skipping insertion in model container [2024-10-13 02:22:28,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 02:22:28" (3/3) ... [2024-10-13 02:22:28,844 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-cn_file-56.i [2024-10-13 02:22:28,860 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 02:22:28,860 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 02:22:28,922 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 02:22:28,928 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;@5533bfaa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 02:22:28,930 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 02:22:28,934 INFO L276 IsEmpty]: Start isEmpty. Operand has 122 states, 65 states have (on average 1.3692307692307693) internal successors, (89), 66 states have internal predecessors, (89), 54 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-10-13 02:22:28,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2024-10-13 02:22:28,957 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:22:28,957 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:22:28,958 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:22:28,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:22:28,964 INFO L85 PathProgramCache]: Analyzing trace with hash -867061804, now seen corresponding path program 1 times [2024-10-13 02:22:28,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:22:28,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148465086] [2024-10-13 02:22:28,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:22:28,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:22:29,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:30,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:22:30,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:30,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:22:30,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:30,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:22:30,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:30,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:22:30,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:30,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:22:30,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:30,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:22:30,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:30,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:22:30,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:30,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:22:30,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:30,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:22:30,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:30,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:22:30,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:30,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:22:30,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:30,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:22:30,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:30,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:22:30,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:30,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:22:30,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:30,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:22:30,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:30,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:22:30,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:30,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:22:30,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:30,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:22:30,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:30,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 02:22:30,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:30,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:22:30,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:30,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:22:30,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:30,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:22:30,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:30,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 02:22:30,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:30,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:22:30,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:30,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 02:22:30,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:30,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:22:30,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:30,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:22:30,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:30,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:22:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:30,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 02:22:30,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:30,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:22:30,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:30,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 02:22:30,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:30,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:22:30,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:30,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 02:22:30,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:30,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-13 02:22:30,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:30,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 02:22:30,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:30,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-13 02:22:30,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:30,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-13 02:22:30,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:30,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 02:22:30,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:30,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-13 02:22:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:30,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-13 02:22:30,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:30,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-13 02:22:30,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:30,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-13 02:22:30,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:30,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-13 02:22:30,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:30,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-13 02:22:30,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:30,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-13 02:22:30,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:30,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-13 02:22:30,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:30,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-13 02:22:30,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:31,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-13 02:22:31,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:31,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-13 02:22:31,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:31,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-13 02:22:31,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:31,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-13 02:22:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:31,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-10-13 02:22:31,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:31,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-13 02:22:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:31,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-10-13 02:22:31,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:22:31,036 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5724 trivial. 0 not checked. [2024-10-13 02:22:31,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:22:31,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148465086] [2024-10-13 02:22:31,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148465086] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:22:31,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:22:31,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 02:22:31,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389104949] [2024-10-13 02:22:31,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:22:31,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 02:22:31,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:22:31,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 02:22:31,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 02:22:31,079 INFO L87 Difference]: Start difference. First operand has 122 states, 65 states have (on average 1.3692307692307693) internal successors, (89), 66 states have internal predecessors, (89), 54 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-10-13 02:22:31,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:22:31,269 INFO L93 Difference]: Finished difference Result 306 states and 556 transitions. [2024-10-13 02:22:31,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 02:22:31,272 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) Word has length 322 [2024-10-13 02:22:31,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:22:31,282 INFO L225 Difference]: With dead ends: 306 [2024-10-13 02:22:31,283 INFO L226 Difference]: Without dead ends: 185 [2024-10-13 02:22:31,292 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 02:22:31,299 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 123 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 02:22:31,301 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 607 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 02:22:31,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-10-13 02:22:31,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 165. [2024-10-13 02:22:31,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 104 states have (on average 1.4134615384615385) internal successors, (147), 105 states have internal predecessors, (147), 58 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 57 states have call predecessors, (58), 58 states have call successors, (58) [2024-10-13 02:22:31,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 263 transitions. [2024-10-13 02:22:31,395 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 263 transitions. Word has length 322 [2024-10-13 02:22:31,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:22:31,397 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 263 transitions. [2024-10-13 02:22:31,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 1 states have call predecessors, (54), 1 states have call successors, (54) [2024-10-13 02:22:31,398 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 263 transitions. [2024-10-13 02:22:31,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2024-10-13 02:22:31,404 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:22:31,404 INFO L215 NwaCegarLoop]: trace histogram [54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:22:31,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 02:22:31,405 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:22:31,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:22:31,406 INFO L85 PathProgramCache]: Analyzing trace with hash -165997226, now seen corresponding path program 1 times [2024-10-13 02:22:31,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:22:31,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566308953] [2024-10-13 02:22:31,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:22:31,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:22:31,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat