./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-31.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-31.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 8a2631f953a342b9ccba2223861eaca9a227bd30acbeeb97e8e7f1036b541190 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 09:57:43,308 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 09:57:43,392 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 09:57:43,416 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 09:57:43,417 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 09:57:43,448 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 09:57:43,449 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 09:57:43,449 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 09:57:43,450 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 09:57:43,451 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 09:57:43,452 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 09:57:43,452 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 09:57:43,452 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 09:57:43,453 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 09:57:43,455 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 09:57:43,455 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 09:57:43,456 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 09:57:43,456 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 09:57:43,456 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 09:57:43,457 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 09:57:43,460 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 09:57:43,461 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 09:57:43,461 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 09:57:43,461 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 09:57:43,461 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 09:57:43,462 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 09:57:43,462 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 09:57:43,462 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 09:57:43,462 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 09:57:43,463 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 09:57:43,463 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 09:57:43,463 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 09:57:43,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 09:57:43,464 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 09:57:43,464 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 09:57:43,466 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 09:57:43,467 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 09:57:43,467 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 09:57:43,467 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 09:57:43,467 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 09:57:43,468 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 09:57:43,468 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 09:57:43,469 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a2631f953a342b9ccba2223861eaca9a227bd30acbeeb97e8e7f1036b541190 [2024-10-14 09:57:43,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 09:57:43,731 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 09:57:43,733 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 09:57:43,737 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 09:57:43,738 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 09:57:43,739 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-31.i [2024-10-14 09:57:45,194 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 09:57:45,423 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 09:57:45,424 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-31.i [2024-10-14 09:57:45,442 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3b03e0fb/376ae877e7ee4299848cc7c7d19fd8c4/FLAG0633390f5 [2024-10-14 09:57:45,460 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3b03e0fb/376ae877e7ee4299848cc7c7d19fd8c4 [2024-10-14 09:57:45,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 09:57:45,467 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 09:57:45,470 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 09:57:45,470 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 09:57:45,476 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 09:57:45,477 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:57:45" (1/1) ... [2024-10-14 09:57:45,478 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48173d95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:45, skipping insertion in model container [2024-10-14 09:57:45,478 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:57:45" (1/1) ... [2024-10-14 09:57:45,516 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 09:57:45,700 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-co_file-31.i[919,932] [2024-10-14 09:57:45,820 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 09:57:45,837 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 09:57:45,854 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-co_file-31.i[919,932] [2024-10-14 09:57:45,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 09:57:45,940 INFO L204 MainTranslator]: Completed translation [2024-10-14 09:57:45,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:45 WrapperNode [2024-10-14 09:57:45,940 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 09:57:45,941 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 09:57:45,942 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 09:57:45,942 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 09:57:45,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:45" (1/1) ... [2024-10-14 09:57:45,964 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:45" (1/1) ... [2024-10-14 09:57:46,019 INFO L138 Inliner]: procedures = 26, calls = 61, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 266 [2024-10-14 09:57:46,021 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 09:57:46,022 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 09:57:46,022 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 09:57:46,022 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 09:57:46,034 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:45" (1/1) ... [2024-10-14 09:57:46,035 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:45" (1/1) ... [2024-10-14 09:57:46,040 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:45" (1/1) ... [2024-10-14 09:57:46,075 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]. [2024-10-14 09:57:46,076 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:45" (1/1) ... [2024-10-14 09:57:46,076 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:45" (1/1) ... [2024-10-14 09:57:46,096 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:45" (1/1) ... [2024-10-14 09:57:46,104 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:45" (1/1) ... [2024-10-14 09:57:46,108 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:45" (1/1) ... [2024-10-14 09:57:46,117 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:45" (1/1) ... [2024-10-14 09:57:46,129 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 09:57:46,130 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 09:57:46,130 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 09:57:46,130 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 09:57:46,131 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:45" (1/1) ... [2024-10-14 09:57:46,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 09:57:46,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 09:57:46,171 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) [2024-10-14 09:57:46,175 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 [2024-10-14 09:57:46,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 09:57:46,231 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 09:57:46,232 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 09:57:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 09:57:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 09:57:46,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 09:57:46,355 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 09:57:46,357 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 09:57:46,916 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-10-14 09:57:46,917 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 09:57:46,978 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 09:57:46,978 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 09:57:46,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:57:46 BoogieIcfgContainer [2024-10-14 09:57:46,979 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 09:57:46,982 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 09:57:46,982 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 09:57:46,986 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 09:57:46,986 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:57:45" (1/3) ... [2024-10-14 09:57:46,987 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a2d4c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:57:46, skipping insertion in model container [2024-10-14 09:57:46,987 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:57:45" (2/3) ... [2024-10-14 09:57:46,988 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a2d4c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:57:46, skipping insertion in model container [2024-10-14 09:57:46,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:57:46" (3/3) ... [2024-10-14 09:57:46,989 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-31.i [2024-10-14 09:57:47,009 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 09:57:47,010 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 09:57:47,083 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 09:57:47,091 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;@7c5f8b70, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 09:57:47,091 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 09:57:47,097 INFO L276 IsEmpty]: Start isEmpty. Operand has 114 states, 63 states have (on average 1.4285714285714286) internal successors, (90), 64 states have internal predecessors, (90), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-10-14 09:57:47,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-10-14 09:57:47,115 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:57:47,116 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:57:47,117 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:57:47,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:57:47,123 INFO L85 PathProgramCache]: Analyzing trace with hash 657151776, now seen corresponding path program 1 times [2024-10-14 09:57:47,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:57:47,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46875183] [2024-10-14 09:57:47,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:57:47,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:57:47,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:47,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:57:47,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:47,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:57:47,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:47,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:57:47,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:47,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:57:47,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:47,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:57:47,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:47,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:57:47,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:47,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:57:47,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:47,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:57:47,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:47,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:57:47,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:47,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:57:47,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:47,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:57:47,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:47,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:57:47,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:47,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:57:47,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:47,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:57:47,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:47,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:57:47,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:47,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:57:47,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:47,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:57:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:47,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:57:47,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:47,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:57:47,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:47,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 09:57:47,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:47,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 09:57:47,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:47,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 09:57:47,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:47,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 09:57:47,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:47,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 09:57:47,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:47,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 09:57:47,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:47,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 09:57:47,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:47,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 09:57:47,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:47,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 09:57:47,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:47,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 09:57:47,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:47,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 09:57:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:47,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 09:57:47,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:47,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 09:57:47,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:47,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 09:57:47,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:47,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-14 09:57:47,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:47,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-14 09:57:47,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:47,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-14 09:57:47,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:47,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-14 09:57:47,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:47,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-14 09:57:47,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:47,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-14 09:57:47,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:47,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-14 09:57:47,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:47,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-14 09:57:47,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:47,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-14 09:57:47,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:47,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-14 09:57:47,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:47,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-14 09:57:47,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:47,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-14 09:57:47,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:47,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-14 09:57:47,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:47,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-14 09:57:47,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:47,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-14 09:57:47,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:47,981 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-14 09:57:47,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:57:47,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46875183] [2024-10-14 09:57:47,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46875183] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:57:47,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:57:47,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 09:57:47,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814698661] [2024-10-14 09:57:47,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:57:47,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 09:57:47,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:57:48,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 09:57:48,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 09:57:48,025 INFO L87 Difference]: Start difference. First operand has 114 states, 63 states have (on average 1.4285714285714286) internal successors, (90), 64 states have internal predecessors, (90), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-10-14 09:57:48,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:57:48,091 INFO L93 Difference]: Finished difference Result 225 states and 418 transitions. [2024-10-14 09:57:48,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 09:57:48,095 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) Word has length 286 [2024-10-14 09:57:48,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:57:48,104 INFO L225 Difference]: With dead ends: 225 [2024-10-14 09:57:48,105 INFO L226 Difference]: Without dead ends: 112 [2024-10-14 09:57:48,113 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 09:57:48,119 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 09:57:48,120 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 178 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 09:57:48,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-10-14 09:57:48,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2024-10-14 09:57:48,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 62 states have (on average 1.3709677419354838) internal successors, (85), 62 states have internal predecessors, (85), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-10-14 09:57:48,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 181 transitions. [2024-10-14 09:57:48,199 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 181 transitions. Word has length 286 [2024-10-14 09:57:48,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:57:48,200 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 181 transitions. [2024-10-14 09:57:48,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-10-14 09:57:48,201 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 181 transitions. [2024-10-14 09:57:48,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-10-14 09:57:48,209 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:57:48,210 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:57:48,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 09:57:48,210 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:57:48,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:57:48,211 INFO L85 PathProgramCache]: Analyzing trace with hash 290520352, now seen corresponding path program 1 times [2024-10-14 09:57:48,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:57:48,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096344283] [2024-10-14 09:57:48,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:57:48,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:57:48,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:57:48,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:57:48,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:57:48,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:57:48,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:57:48,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:57:48,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:57:48,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:57:48,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:57:48,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:57:48,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:57:48,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:57:48,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:57:48,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:57:48,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:57:48,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:57:48,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:57:48,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:57:48,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:57:48,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 09:57:48,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 09:57:48,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 09:57:48,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 09:57:48,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 09:57:48,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 09:57:48,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 09:57:48,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 09:57:48,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 09:57:48,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 09:57:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 09:57:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 09:57:48,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 09:57:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 09:57:48,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-14 09:57:48,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-14 09:57:48,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-14 09:57:48,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-14 09:57:48,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-14 09:57:48,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-14 09:57:48,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-14 09:57:48,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-14 09:57:48,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-14 09:57:48,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-14 09:57:48,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-14 09:57:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-14 09:57:48,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-14 09:57:48,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-14 09:57:48,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-14 09:57:48,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:48,780 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-14 09:57:48,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:57:48,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096344283] [2024-10-14 09:57:48,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096344283] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:57:48,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:57:48,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 09:57:48,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752861610] [2024-10-14 09:57:48,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:57:48,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 09:57:48,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:57:48,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 09:57:48,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 09:57:48,787 INFO L87 Difference]: Start difference. First operand 112 states and 181 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-14 09:57:48,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:57:48,917 INFO L93 Difference]: Finished difference Result 333 states and 539 transitions. [2024-10-14 09:57:48,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 09:57:48,918 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 286 [2024-10-14 09:57:48,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:57:48,927 INFO L225 Difference]: With dead ends: 333 [2024-10-14 09:57:48,928 INFO L226 Difference]: Without dead ends: 222 [2024-10-14 09:57:48,929 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 09:57:48,931 INFO L432 NwaCegarLoop]: 326 mSDtfsCounter, 167 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 09:57:48,931 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 495 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 09:57:48,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-10-14 09:57:48,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 125. [2024-10-14 09:57:48,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 75 states have (on average 1.4266666666666667) internal successors, (107), 75 states have internal predecessors, (107), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-10-14 09:57:48,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 203 transitions. [2024-10-14 09:57:48,970 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 203 transitions. Word has length 286 [2024-10-14 09:57:48,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:57:48,976 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 203 transitions. [2024-10-14 09:57:48,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-14 09:57:48,977 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 203 transitions. [2024-10-14 09:57:48,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-10-14 09:57:48,985 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:57:48,986 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:57:48,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 09:57:48,986 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:57:48,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:57:48,987 INFO L85 PathProgramCache]: Analyzing trace with hash -296285662, now seen corresponding path program 1 times [2024-10-14 09:57:48,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:57:48,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385974794] [2024-10-14 09:57:48,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:57:48,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:57:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:49,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:57:49,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:49,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:57:49,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:49,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:57:49,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:49,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:57:49,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:49,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:57:49,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:49,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:57:49,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:49,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:57:49,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:49,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:57:49,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:49,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:57:49,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:49,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:57:49,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:49,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:57:49,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:49,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:57:49,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:49,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:57:49,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:49,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:57:49,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:49,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:57:49,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:49,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:57:49,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:49,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:57:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:49,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:57:49,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:49,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:57:49,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:49,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 09:57:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:49,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 09:57:49,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:49,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 09:57:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:49,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 09:57:49,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:49,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 09:57:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:49,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 09:57:49,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:49,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 09:57:49,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:49,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 09:57:49,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:49,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 09:57:49,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:49,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 09:57:49,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:49,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 09:57:49,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:49,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 09:57:49,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:49,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 09:57:49,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:49,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 09:57:49,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:49,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-14 09:57:49,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:49,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-14 09:57:49,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:49,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-14 09:57:49,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:49,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-14 09:57:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:49,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-14 09:57:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:49,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-14 09:57:49,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:49,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-14 09:57:49,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:49,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-14 09:57:49,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:49,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-14 09:57:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:49,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-14 09:57:49,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:49,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-14 09:57:49,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:49,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-14 09:57:49,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:49,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-14 09:57:49,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:49,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-14 09:57:49,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:49,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-14 09:57:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:57:49,903 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-14 09:57:49,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:57:49,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385974794] [2024-10-14 09:57:49,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385974794] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:57:49,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:57:49,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 09:57:49,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331452770] [2024-10-14 09:57:49,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:57:49,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 09:57:49,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:57:49,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 09:57:49,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 09:57:49,911 INFO L87 Difference]: Start difference. First operand 125 states and 203 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-14 09:57:50,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:57:50,264 INFO L93 Difference]: Finished difference Result 338 states and 549 transitions. [2024-10-14 09:57:50,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 09:57:50,266 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 286 [2024-10-14 09:57:50,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:57:50,272 INFO L225 Difference]: With dead ends: 338 [2024-10-14 09:57:50,273 INFO L226 Difference]: Without dead ends: 214 [2024-10-14 09:57:50,274 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 09:57:50,275 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 63 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 09:57:50,277 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 412 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 09:57:50,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-10-14 09:57:50,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 209. [2024-10-14 09:57:50,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 110 states have (on average 1.3181818181818181) internal successors, (145), 110 states have internal predecessors, (145), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-10-14 09:57:50,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 337 transitions. [2024-10-14 09:57:50,333 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 337 transitions. Word has length 286 [2024-10-14 09:57:50,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:57:50,336 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 337 transitions. [2024-10-14 09:57:50,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-14 09:57:50,336 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 337 transitions. [2024-10-14 09:57:50,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-10-14 09:57:50,340 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:57:50,341 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:57:50,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 09:57:50,341 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:57:50,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:57:50,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1317354016, now seen corresponding path program 1 times [2024-10-14 09:57:50,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:57:50,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400447290] [2024-10-14 09:57:50,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:57:50,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:57:50,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat