./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-45.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-45.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 015370476ab0be57d23c4c9221d205f96bedfe59bfdbdaa95d44f30adc7a621c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 14:44:52,971 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 14:44:53,062 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 14:44:53,071 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 14:44:53,072 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 14:44:53,094 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 14:44:53,095 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 14:44:53,096 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 14:44:53,097 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 14:44:53,099 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 14:44:53,099 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 14:44:53,099 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 14:44:53,100 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 14:44:53,100 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 14:44:53,101 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 14:44:53,102 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 14:44:53,103 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 14:44:53,103 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 14:44:53,103 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 14:44:53,103 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 14:44:53,104 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 14:44:53,107 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 14:44:53,108 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 14:44:53,108 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 14:44:53,108 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 14:44:53,108 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 14:44:53,108 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 14:44:53,108 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 14:44:53,109 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 14:44:53,109 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 14:44:53,109 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 14:44:53,109 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 14:44:53,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 14:44:53,110 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 14:44:53,110 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 14:44:53,110 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 14:44:53,110 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 14:44:53,110 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 14:44:53,111 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 14:44:53,111 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 14:44:53,111 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 14:44:53,114 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 14:44:53,114 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 015370476ab0be57d23c4c9221d205f96bedfe59bfdbdaa95d44f30adc7a621c [2024-11-16 14:44:53,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 14:44:53,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 14:44:53,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 14:44:53,403 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 14:44:53,403 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 14:44:53,405 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-45.i [2024-11-16 14:44:54,816 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 14:44:55,072 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 14:44:55,073 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-45.i [2024-11-16 14:44:55,086 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07a1fbee7/de7423c9530b47d88e7033002186c26c/FLAGc019e83fc [2024-11-16 14:44:55,104 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07a1fbee7/de7423c9530b47d88e7033002186c26c [2024-11-16 14:44:55,107 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 14:44:55,110 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 14:44:55,112 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 14:44:55,113 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 14:44:55,119 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 14:44:55,120 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 02:44:55" (1/1) ... [2024-11-16 14:44:55,121 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b79c6ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:44:55, skipping insertion in model container [2024-11-16 14:44:55,121 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 02:44:55" (1/1) ... [2024-11-16 14:44:55,154 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 14:44:55,376 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-45.i[919,932] [2024-11-16 14:44:55,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 14:44:55,485 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 14:44:55,494 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-45.i[919,932] [2024-11-16 14:44:55,526 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 14:44:55,552 INFO L204 MainTranslator]: Completed translation [2024-11-16 14:44:55,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:44:55 WrapperNode [2024-11-16 14:44:55,553 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 14:44:55,554 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 14:44:55,554 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 14:44:55,554 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 14:44:55,561 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:44:55" (1/1) ... [2024-11-16 14:44:55,571 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:44:55" (1/1) ... [2024-11-16 14:44:55,627 INFO L138 Inliner]: procedures = 26, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 218 [2024-11-16 14:44:55,627 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 14:44:55,628 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 14:44:55,628 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 14:44:55,629 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 14:44:55,638 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:44:55" (1/1) ... [2024-11-16 14:44:55,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:44:55" (1/1) ... [2024-11-16 14:44:55,642 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:44:55" (1/1) ... [2024-11-16 14:44:55,658 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-16 14:44:55,659 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:44:55" (1/1) ... [2024-11-16 14:44:55,659 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:44:55" (1/1) ... [2024-11-16 14:44:55,668 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:44:55" (1/1) ... [2024-11-16 14:44:55,669 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:44:55" (1/1) ... [2024-11-16 14:44:55,675 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:44:55" (1/1) ... [2024-11-16 14:44:55,677 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:44:55" (1/1) ... [2024-11-16 14:44:55,690 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 14:44:55,695 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 14:44:55,695 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 14:44:55,695 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 14:44:55,696 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:44:55" (1/1) ... [2024-11-16 14:44:55,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 14:44:55,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 14:44:55,739 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 14:44:55,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 14:44:55,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 14:44:55,790 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 14:44:55,791 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 14:44:55,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 14:44:55,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 14:44:55,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 14:44:55,896 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 14:44:55,899 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 14:44:56,332 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-16 14:44:56,333 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 14:44:56,352 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 14:44:56,352 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 14:44:56,353 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 02:44:56 BoogieIcfgContainer [2024-11-16 14:44:56,353 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 14:44:56,354 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 14:44:56,355 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 14:44:56,360 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 14:44:56,361 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 02:44:55" (1/3) ... [2024-11-16 14:44:56,362 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@659a4702 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 02:44:56, skipping insertion in model container [2024-11-16 14:44:56,362 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 02:44:55" (2/3) ... [2024-11-16 14:44:56,363 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@659a4702 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 02:44:56, skipping insertion in model container [2024-11-16 14:44:56,364 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 02:44:56" (3/3) ... [2024-11-16 14:44:56,366 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-45.i [2024-11-16 14:44:56,381 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 14:44:56,381 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 14:44:56,441 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 14:44:56,447 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;@60d783ed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 14:44:56,448 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 14:44:56,452 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 62 states have (on average 1.3870967741935485) internal successors, (86), 63 states have internal predecessors, (86), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-16 14:44:56,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-11-16 14:44:56,473 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:44:56,474 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:44:56,474 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:44:56,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:44:56,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1262582537, now seen corresponding path program 1 times [2024-11-16 14:44:56,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:44:56,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224483420] [2024-11-16 14:44:56,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:44:56,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:44:56,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:56,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:44:56,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:56,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:44:56,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:56,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:44:56,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:56,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:44:56,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:56,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:44:56,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:56,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:44:56,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:56,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:44:56,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:56,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:44:56,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:56,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:44:56,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:56,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:44:56,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:56,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:44:56,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:56,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:44:56,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:56,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:44:56,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:56,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:44:56,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:56,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:44:56,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:56,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:44:56,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:56,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:44:56,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:56,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 14:44:56,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:56,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 14:44:56,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:56,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 14:44:56,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:56,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-16 14:44:56,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:56,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-16 14:44:56,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:56,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-16 14:44:56,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:57,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-16 14:44:57,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:57,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 14:44:57,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:57,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 14:44:57,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:57,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 14:44:57,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:57,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-16 14:44:57,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:57,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 14:44:57,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:57,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-16 14:44:57,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:57,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-16 14:44:57,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:57,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-16 14:44:57,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:57,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-16 14:44:57,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:57,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-16 14:44:57,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:57,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-16 14:44:57,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:57,112 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-11-16 14:44:57,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:44:57,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224483420] [2024-11-16 14:44:57,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224483420] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:44:57,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:44:57,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 14:44:57,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532932762] [2024-11-16 14:44:57,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:44:57,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 14:44:57,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:44:57,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 14:44:57,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 14:44:57,156 INFO L87 Difference]: Start difference. First operand has 100 states, 62 states have (on average 1.3870967741935485) internal successors, (86), 63 states have internal predecessors, (86), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-16 14:44:57,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:44:57,189 INFO L93 Difference]: Finished difference Result 192 states and 340 transitions. [2024-11-16 14:44:57,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 14:44:57,192 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 2 states have call successors, (35) Word has length 223 [2024-11-16 14:44:57,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:44:57,203 INFO L225 Difference]: With dead ends: 192 [2024-11-16 14:44:57,203 INFO L226 Difference]: Without dead ends: 95 [2024-11-16 14:44:57,208 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 14:44:57,215 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 14:44:57,217 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 14:44:57,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-16 14:44:57,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2024-11-16 14:44:57,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 58 states have (on average 1.3448275862068966) internal successors, (78), 58 states have internal predecessors, (78), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-16 14:44:57,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 148 transitions. [2024-11-16 14:44:57,295 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 148 transitions. Word has length 223 [2024-11-16 14:44:57,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:44:57,296 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 148 transitions. [2024-11-16 14:44:57,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-16 14:44:57,297 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 148 transitions. [2024-11-16 14:44:57,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-11-16 14:44:57,308 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:44:57,308 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:44:57,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 14:44:57,310 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:44:57,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:44:57,311 INFO L85 PathProgramCache]: Analyzing trace with hash -900045924, now seen corresponding path program 1 times [2024-11-16 14:44:57,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:44:57,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041121342] [2024-11-16 14:44:57,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:44:57,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:44:57,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:57,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:44:57,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:57,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:44:57,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:57,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:44:57,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:57,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:44:57,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:57,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:44:57,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:57,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:44:57,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:57,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:44:57,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:57,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:44:57,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:57,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:44:57,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:57,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:44:57,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:57,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:44:57,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:57,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:44:57,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:57,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:44:57,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:57,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:44:57,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:57,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:44:57,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:57,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:44:57,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:57,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:44:57,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:57,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 14:44:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:57,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 14:44:57,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:57,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 14:44:57,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:57,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-16 14:44:57,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:57,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-16 14:44:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:57,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-16 14:44:57,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:57,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-16 14:44:57,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:57,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 14:44:57,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:57,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 14:44:57,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:57,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 14:44:57,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:57,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-16 14:44:57,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:57,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 14:44:57,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:57,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-16 14:44:57,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:57,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-16 14:44:57,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:57,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-16 14:44:57,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:57,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-16 14:44:57,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:57,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-16 14:44:57,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:57,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-16 14:44:57,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:57,800 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-11-16 14:44:57,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:44:57,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041121342] [2024-11-16 14:44:57,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041121342] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:44:57,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:44:57,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 14:44:57,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37397719] [2024-11-16 14:44:57,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:44:57,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 14:44:57,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:44:57,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 14:44:57,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 14:44:57,808 INFO L87 Difference]: Start difference. First operand 95 states and 148 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-16 14:44:57,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:44:57,937 INFO L93 Difference]: Finished difference Result 274 states and 428 transitions. [2024-11-16 14:44:57,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 14:44:57,938 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 223 [2024-11-16 14:44:57,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:44:57,945 INFO L225 Difference]: With dead ends: 274 [2024-11-16 14:44:57,945 INFO L226 Difference]: Without dead ends: 182 [2024-11-16 14:44:57,946 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 14:44:57,947 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 130 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 14:44:57,948 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 270 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 14:44:57,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-11-16 14:44:57,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 179. [2024-11-16 14:44:57,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 106 states have (on average 1.2830188679245282) internal successors, (136), 106 states have internal predecessors, (136), 70 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-16 14:44:57,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 276 transitions. [2024-11-16 14:44:57,993 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 276 transitions. Word has length 223 [2024-11-16 14:44:57,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:44:57,995 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 276 transitions. [2024-11-16 14:44:57,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-16 14:44:57,997 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 276 transitions. [2024-11-16 14:44:57,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-16 14:44:58,002 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:44:58,002 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:44:58,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 14:44:58,003 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:44:58,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:44:58,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1740317098, now seen corresponding path program 1 times [2024-11-16 14:44:58,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:44:58,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932981597] [2024-11-16 14:44:58,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:44:58,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:44:58,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:58,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:44:58,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:58,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:44:58,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:58,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:44:58,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:58,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:44:58,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:58,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:44:58,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:58,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:44:58,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:58,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:44:58,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:58,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:44:58,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:58,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:44:58,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:58,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:44:58,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:58,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:44:58,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:58,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:44:58,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:58,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:44:58,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:58,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:44:58,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:58,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:44:58,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:58,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:44:58,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:58,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:44:58,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:58,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 14:44:58,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:58,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 14:44:58,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:58,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 14:44:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:58,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-16 14:44:58,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:58,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-16 14:44:58,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:58,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-16 14:44:58,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:58,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-16 14:44:58,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:58,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 14:44:58,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:58,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 14:44:58,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:58,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 14:44:58,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:58,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-16 14:44:58,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:58,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 14:44:58,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:58,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-16 14:44:58,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:58,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-16 14:44:58,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:58,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-16 14:44:58,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:58,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-16 14:44:58,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:58,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-16 14:44:58,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:58,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-16 14:44:58,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:44:58,441 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-11-16 14:44:58,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:44:58,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932981597] [2024-11-16 14:44:58,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932981597] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:44:58,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:44:58,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 14:44:58,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592221800] [2024-11-16 14:44:58,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:44:58,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 14:44:58,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:44:58,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 14:44:58,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-16 14:44:58,447 INFO L87 Difference]: Start difference. First operand 179 states and 276 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-16 14:44:58,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:44:58,573 INFO L93 Difference]: Finished difference Result 451 states and 700 transitions. [2024-11-16 14:44:58,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 14:44:58,574 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 225 [2024-11-16 14:44:58,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:44:58,578 INFO L225 Difference]: With dead ends: 451 [2024-11-16 14:44:58,578 INFO L226 Difference]: Without dead ends: 275 [2024-11-16 14:44:58,579 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-16 14:44:58,580 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 111 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 14:44:58,580 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 280 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 14:44:58,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2024-11-16 14:44:58,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 267. [2024-11-16 14:44:58,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 158 states have (on average 1.2848101265822784) internal successors, (203), 158 states have internal predecessors, (203), 105 states have call successors, (105), 3 states have call predecessors, (105), 3 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-16 14:44:58,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 413 transitions. [2024-11-16 14:44:58,636 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 413 transitions. Word has length 225 [2024-11-16 14:44:58,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:44:58,637 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 413 transitions. [2024-11-16 14:44:58,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-16 14:44:58,639 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 413 transitions. [2024-11-16 14:44:58,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-16 14:44:58,644 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:44:58,644 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:44:58,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 14:44:58,644 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:44:58,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:44:58,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1611234379, now seen corresponding path program 1 times [2024-11-16 14:44:58,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:44:58,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505531594] [2024-11-16 14:44:58,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:44:58,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:44:58,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:15,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:45:15,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:15,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:45:15,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:15,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:45:15,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:15,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:45:15,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:15,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:45:15,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:15,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:45:15,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:15,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:45:15,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:15,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:45:15,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:15,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:45:15,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:15,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:45:15,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:15,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:45:15,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:15,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:45:15,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:15,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:45:15,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:15,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:45:15,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:15,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:45:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:15,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:45:15,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:15,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:45:15,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:15,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 14:45:15,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:15,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 14:45:15,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:15,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 14:45:15,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:15,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-16 14:45:15,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:15,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-16 14:45:15,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:15,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-16 14:45:15,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:15,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-16 14:45:15,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:15,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 14:45:15,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:15,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 14:45:15,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:15,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 14:45:15,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:15,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-16 14:45:15,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:15,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 14:45:15,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:15,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-16 14:45:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:15,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-16 14:45:15,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:15,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-16 14:45:15,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:15,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-16 14:45:15,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:15,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-16 14:45:15,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:15,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-16 14:45:15,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:15,661 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-11-16 14:45:15,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:45:15,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505531594] [2024-11-16 14:45:15,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505531594] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:45:15,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:45:15,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 14:45:15,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143768124] [2024-11-16 14:45:15,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:45:15,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 14:45:15,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:45:15,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 14:45:15,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-16 14:45:15,664 INFO L87 Difference]: Start difference. First operand 267 states and 413 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-16 14:45:16,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:45:16,305 INFO L93 Difference]: Finished difference Result 621 states and 944 transitions. [2024-11-16 14:45:16,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 14:45:16,307 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 225 [2024-11-16 14:45:16,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:45:16,313 INFO L225 Difference]: With dead ends: 621 [2024-11-16 14:45:16,313 INFO L226 Difference]: Without dead ends: 445 [2024-11-16 14:45:16,316 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-16 14:45:16,318 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 111 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-16 14:45:16,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 453 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-16 14:45:16,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2024-11-16 14:45:16,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 386. [2024-11-16 14:45:16,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 259 states have (on average 1.3552123552123552) internal successors, (351), 261 states have internal predecessors, (351), 121 states have call successors, (121), 5 states have call predecessors, (121), 5 states have return successors, (121), 119 states have call predecessors, (121), 121 states have call successors, (121) [2024-11-16 14:45:16,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 593 transitions. [2024-11-16 14:45:16,392 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 593 transitions. Word has length 225 [2024-11-16 14:45:16,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:45:16,394 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 593 transitions. [2024-11-16 14:45:16,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-16 14:45:16,394 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 593 transitions. [2024-11-16 14:45:16,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-16 14:45:16,397 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:45:16,397 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:45:16,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 14:45:16,397 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:45:16,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:45:16,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1904637386, now seen corresponding path program 1 times [2024-11-16 14:45:16,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:45:16,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761275678] [2024-11-16 14:45:16,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:45:16,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:45:16,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:18,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 14:45:18,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:18,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 14:45:18,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:18,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 14:45:18,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:18,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 14:45:18,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:18,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 14:45:18,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:18,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 14:45:18,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:18,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 14:45:18,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:18,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 14:45:18,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:18,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 14:45:18,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:18,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 14:45:18,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:18,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 14:45:18,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:18,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 14:45:18,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:18,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 14:45:18,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:18,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 14:45:18,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:18,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 14:45:18,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:18,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 14:45:18,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:18,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 14:45:18,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:18,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 14:45:18,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:18,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 14:45:18,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:18,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 14:45:18,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:18,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-16 14:45:18,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:18,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-16 14:45:18,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:18,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-16 14:45:18,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:18,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-16 14:45:18,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:18,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 14:45:18,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:18,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 14:45:18,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:18,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-16 14:45:18,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:18,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-16 14:45:18,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:18,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 14:45:18,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:18,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-16 14:45:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:18,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-16 14:45:18,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:18,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-16 14:45:18,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:18,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-16 14:45:18,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:18,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-16 14:45:18,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:18,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-16 14:45:18,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 14:45:18,462 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-11-16 14:45:18,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 14:45:18,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761275678] [2024-11-16 14:45:18,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761275678] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 14:45:18,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 14:45:18,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 14:45:18,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441257285] [2024-11-16 14:45:18,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 14:45:18,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 14:45:18,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 14:45:18,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 14:45:18,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-16 14:45:18,467 INFO L87 Difference]: Start difference. First operand 386 states and 593 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-16 14:45:18,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 14:45:18,963 INFO L93 Difference]: Finished difference Result 713 states and 1082 transitions. [2024-11-16 14:45:18,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 14:45:18,964 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 225 [2024-11-16 14:45:18,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 14:45:18,968 INFO L225 Difference]: With dead ends: 713 [2024-11-16 14:45:18,969 INFO L226 Difference]: Without dead ends: 445 [2024-11-16 14:45:18,970 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-16 14:45:18,972 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 110 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 14:45:18,975 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 465 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 14:45:18,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2024-11-16 14:45:19,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 375. [2024-11-16 14:45:19,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 248 states have (on average 1.346774193548387) internal successors, (334), 250 states have internal predecessors, (334), 121 states have call successors, (121), 5 states have call predecessors, (121), 5 states have return successors, (121), 119 states have call predecessors, (121), 121 states have call successors, (121) [2024-11-16 14:45:19,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 576 transitions. [2024-11-16 14:45:19,072 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 576 transitions. Word has length 225 [2024-11-16 14:45:19,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 14:45:19,074 INFO L471 AbstractCegarLoop]: Abstraction has 375 states and 576 transitions. [2024-11-16 14:45:19,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-16 14:45:19,074 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 576 transitions. [2024-11-16 14:45:19,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-16 14:45:19,078 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 14:45:19,078 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 14:45:19,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 14:45:19,079 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 14:45:19,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 14:45:19,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1446416181, now seen corresponding path program 1 times [2024-11-16 14:45:19,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 14:45:19,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952858671] [2024-11-16 14:45:19,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 14:45:19,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 14:45:19,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat