./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-33.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-33.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b76500e2dcd759a4ed1a20b4e11958a401bee7a48c3e690ae5c63652a7022123 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 07:04:59,608 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 07:04:59,692 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 07:04:59,698 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 07:04:59,698 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 07:04:59,728 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 07:04:59,729 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 07:04:59,729 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 07:04:59,730 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 07:04:59,731 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 07:04:59,731 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 07:04:59,731 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 07:04:59,733 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 07:04:59,734 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 07:04:59,737 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 07:04:59,738 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 07:04:59,738 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 07:04:59,738 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 07:04:59,739 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 07:04:59,739 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 07:04:59,739 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 07:04:59,740 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 07:04:59,740 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 07:04:59,743 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 07:04:59,743 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 07:04:59,743 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 07:04:59,744 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 07:04:59,744 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 07:04:59,744 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 07:04:59,745 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 07:04:59,745 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 07:04:59,745 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 07:04:59,745 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 07:04:59,746 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 07:04:59,746 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 07:04:59,746 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 07:04:59,747 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 07:04:59,748 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 07:04:59,748 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 07:04:59,748 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 07:04:59,748 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 07:04:59,749 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 07:04:59,749 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b76500e2dcd759a4ed1a20b4e11958a401bee7a48c3e690ae5c63652a7022123 [2024-10-24 07:05:00,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 07:05:00,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 07:05:00,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 07:05:00,053 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 07:05:00,054 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 07:05:00,056 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-33.i [2024-10-24 07:05:01,620 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 07:05:01,880 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 07:05:01,885 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-33.i [2024-10-24 07:05:01,899 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab6a0b4dd/db92b66c34fa4a3b8f8ac37b3cc189a0/FLAG3a8326d82 [2024-10-24 07:05:01,919 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab6a0b4dd/db92b66c34fa4a3b8f8ac37b3cc189a0 [2024-10-24 07:05:01,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 07:05:01,923 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 07:05:01,925 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 07:05:01,927 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 07:05:01,932 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 07:05:01,933 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:05:01" (1/1) ... [2024-10-24 07:05:01,934 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fea54ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:05:01, skipping insertion in model container [2024-10-24 07:05:01,934 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:05:01" (1/1) ... [2024-10-24 07:05:01,970 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 07:05:02,160 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-33.i[919,932] [2024-10-24 07:05:02,268 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 07:05:02,286 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 07:05:02,299 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-33.i[919,932] [2024-10-24 07:05:02,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 07:05:02,376 INFO L204 MainTranslator]: Completed translation [2024-10-24 07:05:02,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:05:02 WrapperNode [2024-10-24 07:05:02,377 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 07:05:02,378 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 07:05:02,379 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 07:05:02,379 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 07:05:02,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:05:02" (1/1) ... [2024-10-24 07:05:02,403 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:05:02" (1/1) ... [2024-10-24 07:05:02,468 INFO L138 Inliner]: procedures = 26, calls = 55, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 252 [2024-10-24 07:05:02,469 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 07:05:02,469 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 07:05:02,470 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 07:05:02,470 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 07:05:02,479 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:05:02" (1/1) ... [2024-10-24 07:05:02,480 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:05:02" (1/1) ... [2024-10-24 07:05:02,484 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:05:02" (1/1) ... [2024-10-24 07:05:02,525 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 07:05:02,525 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:05:02" (1/1) ... [2024-10-24 07:05:02,526 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:05:02" (1/1) ... [2024-10-24 07:05:02,542 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:05:02" (1/1) ... [2024-10-24 07:05:02,547 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:05:02" (1/1) ... [2024-10-24 07:05:02,557 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:05:02" (1/1) ... [2024-10-24 07:05:02,561 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:05:02" (1/1) ... [2024-10-24 07:05:02,569 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 07:05:02,571 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 07:05:02,571 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 07:05:02,571 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 07:05:02,572 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:05:02" (1/1) ... [2024-10-24 07:05:02,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 07:05:02,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 07:05:02,607 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 07:05:02,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 07:05:02,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 07:05:02,661 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 07:05:02,662 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 07:05:02,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 07:05:02,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 07:05:02,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 07:05:02,773 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 07:05:02,775 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 07:05:03,357 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-10-24 07:05:03,357 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 07:05:03,405 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 07:05:03,406 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 07:05:03,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:05:03 BoogieIcfgContainer [2024-10-24 07:05:03,407 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 07:05:03,411 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 07:05:03,411 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 07:05:03,414 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 07:05:03,415 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 07:05:01" (1/3) ... [2024-10-24 07:05:03,416 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6059b76e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:05:03, skipping insertion in model container [2024-10-24 07:05:03,416 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:05:02" (2/3) ... [2024-10-24 07:05:03,417 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6059b76e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:05:03, skipping insertion in model container [2024-10-24 07:05:03,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:05:03" (3/3) ... [2024-10-24 07:05:03,418 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-cn_file-33.i [2024-10-24 07:05:03,432 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 07:05:03,432 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 07:05:03,510 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 07:05:03,520 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;@66a93af4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 07:05:03,521 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 07:05:03,527 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 61 states have (on average 1.4426229508196722) internal successors, (88), 62 states have internal predecessors, (88), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-10-24 07:05:03,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2024-10-24 07:05:03,551 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:05:03,552 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:05:03,553 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:05:03,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:05:03,559 INFO L85 PathProgramCache]: Analyzing trace with hash -958092869, now seen corresponding path program 1 times [2024-10-24 07:05:03,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:05:03,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982600787] [2024-10-24 07:05:03,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:05:03,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:05:03,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:03,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:05:03,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:03,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 07:05:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:04,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 07:05:04,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:04,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 07:05:04,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:04,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 07:05:04,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:04,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 07:05:04,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:04,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 07:05:04,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:04,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 07:05:04,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:04,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 07:05:04,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:04,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 07:05:04,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:04,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-24 07:05:04,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:04,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 07:05:04,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:04,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 07:05:04,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:04,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 07:05:04,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:04,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:05:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:04,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 07:05:04,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:04,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:05:04,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:04,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:05:04,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:04,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:05:04,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:04,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:05:04,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:04,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:05:04,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:04,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:05:04,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:04,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:05:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:04,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:05:04,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:04,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:05:04,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:04,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:05:04,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:04,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 07:05:04,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:04,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 07:05:04,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:04,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 07:05:04,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:04,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 07:05:04,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:04,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 07:05:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:04,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 07:05:04,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:04,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 07:05:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:04,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 07:05:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:04,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 07:05:04,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:04,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 07:05:04,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:04,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 07:05:04,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:04,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 07:05:04,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:04,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-24 07:05:04,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:04,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 07:05:04,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:04,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-24 07:05:04,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:04,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 07:05:04,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:04,280 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-10-24 07:05:04,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:05:04,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982600787] [2024-10-24 07:05:04,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982600787] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:05:04,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:05:04,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 07:05:04,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487540607] [2024-10-24 07:05:04,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:05:04,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 07:05:04,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:05:04,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 07:05:04,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 07:05:04,322 INFO L87 Difference]: Start difference. First operand has 106 states, 61 states have (on average 1.4426229508196722) internal successors, (88), 62 states have internal predecessors, (88), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) [2024-10-24 07:05:04,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:05:04,390 INFO L93 Difference]: Finished difference Result 207 states and 380 transitions. [2024-10-24 07:05:04,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 07:05:04,394 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) Word has length 253 [2024-10-24 07:05:04,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:05:04,408 INFO L225 Difference]: With dead ends: 207 [2024-10-24 07:05:04,408 INFO L226 Difference]: Without dead ends: 102 [2024-10-24 07:05:04,414 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 07:05:04,419 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 07:05:04,421 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 157 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 07:05:04,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-10-24 07:05:04,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2024-10-24 07:05:04,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 58 states have (on average 1.3103448275862069) internal successors, (76), 58 states have internal predecessors, (76), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-10-24 07:05:04,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 160 transitions. [2024-10-24 07:05:04,492 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 160 transitions. Word has length 253 [2024-10-24 07:05:04,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:05:04,493 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 160 transitions. [2024-10-24 07:05:04,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) [2024-10-24 07:05:04,495 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 160 transitions. [2024-10-24 07:05:04,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2024-10-24 07:05:04,501 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:05:04,501 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:05:04,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 07:05:04,502 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:05:04,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:05:04,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1965940279, now seen corresponding path program 1 times [2024-10-24 07:05:04,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:05:04,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681926263] [2024-10-24 07:05:04,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:05:04,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:05:04,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:05,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:05:05,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:05,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 07:05:05,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:05,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 07:05:05,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:05,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 07:05:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:05,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 07:05:05,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:05,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 07:05:05,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:05,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 07:05:05,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:05,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 07:05:05,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:05,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 07:05:05,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:05,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 07:05:05,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:05,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-24 07:05:05,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:05,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 07:05:05,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:05,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 07:05:05,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:05,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 07:05:05,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:05,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:05:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:05,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 07:05:05,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:05,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:05:05,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:05,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:05:05,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:05,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:05:05,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:05,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:05:05,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:05,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:05:05,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:05,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:05:05,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:05,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:05:05,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:05,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:05:05,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:05,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:05:05,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:05,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:05:05,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:05,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 07:05:05,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:05,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 07:05:05,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:05,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 07:05:05,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:05,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 07:05:05,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:05,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 07:05:05,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:05,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 07:05:05,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:05,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 07:05:05,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:05,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 07:05:05,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:05,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 07:05:05,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:05,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 07:05:05,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:05,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 07:05:05,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:05,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 07:05:05,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:05,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-24 07:05:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:05,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 07:05:05,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:05,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-24 07:05:05,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:05,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 07:05:05,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:05,989 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-10-24 07:05:05,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:05:05,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681926263] [2024-10-24 07:05:05,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681926263] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:05:05,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:05:05,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 07:05:05,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099648120] [2024-10-24 07:05:05,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:05:05,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 07:05:05,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:05:05,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 07:05:05,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 07:05:05,997 INFO L87 Difference]: Start difference. First operand 102 states and 160 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-10-24 07:05:06,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:05:06,364 INFO L93 Difference]: Finished difference Result 309 states and 486 transitions. [2024-10-24 07:05:06,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 07:05:06,365 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 253 [2024-10-24 07:05:06,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:05:06,373 INFO L225 Difference]: With dead ends: 309 [2024-10-24 07:05:06,374 INFO L226 Difference]: Without dead ends: 208 [2024-10-24 07:05:06,376 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 07:05:06,377 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 90 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 07:05:06,377 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 420 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 07:05:06,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-10-24 07:05:06,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 195. [2024-10-24 07:05:06,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 108 states have (on average 1.2962962962962963) internal successors, (140), 108 states have internal predecessors, (140), 84 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-10-24 07:05:06,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 308 transitions. [2024-10-24 07:05:06,442 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 308 transitions. Word has length 253 [2024-10-24 07:05:06,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:05:06,444 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 308 transitions. [2024-10-24 07:05:06,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-10-24 07:05:06,445 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 308 transitions. [2024-10-24 07:05:06,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2024-10-24 07:05:06,453 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:05:06,453 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:05:06,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 07:05:06,454 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:05:06,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:05:06,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1110616814, now seen corresponding path program 1 times [2024-10-24 07:05:06,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:05:06,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825861275] [2024-10-24 07:05:06,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:05:06,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:05:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:06,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:05:06,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:06,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 07:05:06,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:06,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 07:05:06,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:06,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 07:05:06,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:06,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 07:05:06,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:06,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 07:05:06,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:06,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 07:05:06,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:06,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 07:05:06,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:06,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 07:05:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:06,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 07:05:06,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:06,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-24 07:05:06,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:06,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 07:05:06,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:06,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 07:05:06,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:06,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 07:05:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:06,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:05:06,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:06,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 07:05:06,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:06,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:05:06,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:06,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:05:06,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:06,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:05:06,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:06,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:05:06,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:06,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:05:06,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:06,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:05:06,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:06,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:05:06,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:06,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:05:06,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:06,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:05:06,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:06,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:05:06,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:06,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 07:05:06,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:06,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 07:05:06,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:06,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 07:05:06,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:06,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 07:05:06,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:06,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 07:05:06,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:06,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 07:05:06,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:06,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 07:05:06,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:06,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 07:05:06,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:06,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 07:05:06,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:06,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 07:05:06,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:06,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 07:05:06,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:06,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 07:05:06,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:06,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-24 07:05:06,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:06,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 07:05:06,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:06,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-24 07:05:06,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:06,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 07:05:06,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:05:06,992 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-10-24 07:05:06,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:05:06,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825861275] [2024-10-24 07:05:06,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825861275] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:05:06,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:05:06,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 07:05:06,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577503922] [2024-10-24 07:05:06,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:05:06,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 07:05:06,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:05:06,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 07:05:06,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 07:05:06,997 INFO L87 Difference]: Start difference. First operand 195 states and 308 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-10-24 07:05:07,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:05:07,302 INFO L93 Difference]: Finished difference Result 327 states and 512 transitions. [2024-10-24 07:05:07,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 07:05:07,302 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 254 [2024-10-24 07:05:07,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:05:07,306 INFO L225 Difference]: With dead ends: 327 [2024-10-24 07:05:07,306 INFO L226 Difference]: Without dead ends: 204 [2024-10-24 07:05:07,307 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 07:05:07,308 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 87 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 07:05:07,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 425 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 07:05:07,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-10-24 07:05:07,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 196. [2024-10-24 07:05:07,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 109 states have (on average 1.2844036697247707) internal successors, (140), 109 states have internal predecessors, (140), 84 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-10-24 07:05:07,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 308 transitions. [2024-10-24 07:05:07,370 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 308 transitions. Word has length 254 [2024-10-24 07:05:07,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:05:07,371 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 308 transitions. [2024-10-24 07:05:07,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-10-24 07:05:07,373 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 308 transitions. [2024-10-24 07:05:07,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2024-10-24 07:05:07,377 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:05:07,377 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:05:07,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 07:05:07,380 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:05:07,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:05:07,381 INFO L85 PathProgramCache]: Analyzing trace with hash -861079500, now seen corresponding path program 1 times [2024-10-24 07:05:07,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:05:07,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947139062] [2024-10-24 07:05:07,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:05:07,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:05:07,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat