./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-co_file-98.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-co_file-98.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 80aae2ad32bbd18df771bc42cd903a50a1ddb8d4ac852d86db2bbfcc1abb0bc7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 07:23:24,705 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 07:23:24,785 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 07:23:24,795 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 07:23:24,796 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 07:23:24,825 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 07:23:24,826 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 07:23:24,826 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 07:23:24,827 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 07:23:24,828 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 07:23:24,828 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 07:23:24,829 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 07:23:24,829 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 07:23:24,830 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 07:23:24,832 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 07:23:24,832 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 07:23:24,833 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 07:23:24,833 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 07:23:24,833 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 07:23:24,833 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 07:23:24,834 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 07:23:24,837 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 07:23:24,838 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 07:23:24,838 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 07:23:24,838 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 07:23:24,838 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 07:23:24,838 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 07:23:24,839 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 07:23:24,839 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 07:23:24,839 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 07:23:24,839 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 07:23:24,839 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 07:23:24,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 07:23:24,840 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 07:23:24,840 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 07:23:24,840 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 07:23:24,840 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 07:23:24,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 07:23:24,841 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 07:23:24,841 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 07:23:24,843 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 07:23:24,843 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 07:23:24,843 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80aae2ad32bbd18df771bc42cd903a50a1ddb8d4ac852d86db2bbfcc1abb0bc7 [2024-10-24 07:23:25,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 07:23:25,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 07:23:25,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 07:23:25,148 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 07:23:25,148 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 07:23:25,149 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-98.i [2024-10-24 07:23:26,641 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 07:23:26,898 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 07:23:26,902 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-98.i [2024-10-24 07:23:26,914 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6459b0112/a1b11e03f2474aefa4e9e84d096f4cf0/FLAG235dd5b7a [2024-10-24 07:23:26,930 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6459b0112/a1b11e03f2474aefa4e9e84d096f4cf0 [2024-10-24 07:23:26,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 07:23:26,934 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 07:23:26,935 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 07:23:26,936 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 07:23:26,953 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 07:23:26,954 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:23:26" (1/1) ... [2024-10-24 07:23:26,955 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@799df92d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:23:26, skipping insertion in model container [2024-10-24 07:23:26,955 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:23:26" (1/1) ... [2024-10-24 07:23:26,985 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 07:23:27,169 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-co_file-98.i[919,932] [2024-10-24 07:23:27,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 07:23:27,255 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 07:23:27,265 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-co_file-98.i[919,932] [2024-10-24 07:23:27,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 07:23:27,336 INFO L204 MainTranslator]: Completed translation [2024-10-24 07:23:27,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:23:27 WrapperNode [2024-10-24 07:23:27,337 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 07:23:27,338 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 07:23:27,338 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 07:23:27,338 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 07:23:27,345 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:23:27" (1/1) ... [2024-10-24 07:23:27,356 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:23:27" (1/1) ... [2024-10-24 07:23:27,406 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 248 [2024-10-24 07:23:27,407 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 07:23:27,409 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 07:23:27,409 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 07:23:27,409 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 07:23:27,420 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:23:27" (1/1) ... [2024-10-24 07:23:27,420 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:23:27" (1/1) ... [2024-10-24 07:23:27,425 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:23:27" (1/1) ... [2024-10-24 07:23:27,448 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 07:23:27,448 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:23:27" (1/1) ... [2024-10-24 07:23:27,449 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:23:27" (1/1) ... [2024-10-24 07:23:27,461 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:23:27" (1/1) ... [2024-10-24 07:23:27,465 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:23:27" (1/1) ... [2024-10-24 07:23:27,469 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:23:27" (1/1) ... [2024-10-24 07:23:27,472 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:23:27" (1/1) ... [2024-10-24 07:23:27,478 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 07:23:27,479 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 07:23:27,480 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 07:23:27,480 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 07:23:27,481 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:23:27" (1/1) ... [2024-10-24 07:23:27,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 07:23:27,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 07:23:27,530 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 07:23:27,533 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 07:23:27,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 07:23:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 07:23:27,583 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 07:23:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 07:23:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 07:23:27,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 07:23:27,682 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 07:23:27,685 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 07:23:28,205 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-10-24 07:23:28,205 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 07:23:28,256 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 07:23:28,256 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 07:23:28,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:23:28 BoogieIcfgContainer [2024-10-24 07:23:28,257 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 07:23:28,259 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 07:23:28,259 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 07:23:28,262 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 07:23:28,263 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 07:23:26" (1/3) ... [2024-10-24 07:23:28,264 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a88c1dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:23:28, skipping insertion in model container [2024-10-24 07:23:28,264 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:23:27" (2/3) ... [2024-10-24 07:23:28,265 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a88c1dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:23:28, skipping insertion in model container [2024-10-24 07:23:28,265 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:23:28" (3/3) ... [2024-10-24 07:23:28,267 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-98.i [2024-10-24 07:23:28,285 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 07:23:28,285 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 07:23:28,356 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 07:23:28,362 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;@5f023933, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 07:23:28,363 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 07:23:28,367 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 63 states have (on average 1.4761904761904763) internal successors, (93), 64 states have internal predecessors, (93), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-24 07:23:28,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-10-24 07:23:28,382 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:23:28,383 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:23:28,384 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:23:28,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:23:28,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1765949316, now seen corresponding path program 1 times [2024-10-24 07:23:28,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:23:28,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567476877] [2024-10-24 07:23:28,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:23:28,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:23:28,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:28,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:23:28,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:28,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:23:28,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:28,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 07:23:28,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:28,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:23:28,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:28,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 07:23:28,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:28,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 07:23:28,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:28,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-24 07:23:28,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:28,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:23:28,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:28,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:23:28,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:28,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:23:28,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:28,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:23:28,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:28,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:23:28,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:28,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:23:28,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:28,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:23:28,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:28,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:23:28,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:28,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:23:28,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:28,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:23:28,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:28,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:23:28,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:28,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:23:28,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:28,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:23:28,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:28,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:23:28,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:28,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:23:28,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:28,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:23:28,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:28,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:23:28,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:28,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:23:28,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:28,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:23:28,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:28,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 07:23:28,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:28,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 07:23:28,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:28,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 07:23:28,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:28,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 07:23:28,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:28,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 07:23:28,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:28,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 07:23:28,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:29,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-24 07:23:29,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:29,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-24 07:23:29,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:29,025 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-24 07:23:29,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:23:29,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567476877] [2024-10-24 07:23:29,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567476877] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:23:29,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:23:29,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 07:23:29,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240480142] [2024-10-24 07:23:29,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:23:29,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 07:23:29,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:23:29,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 07:23:29,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 07:23:29,132 INFO L87 Difference]: Start difference. First operand has 100 states, 63 states have (on average 1.4761904761904763) internal successors, (93), 64 states have internal predecessors, (93), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) 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, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-10-24 07:23:29,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:23:29,198 INFO L93 Difference]: Finished difference Result 195 states and 351 transitions. [2024-10-24 07:23:29,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 07:23:29,202 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, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) Word has length 213 [2024-10-24 07:23:29,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:23:29,214 INFO L225 Difference]: With dead ends: 195 [2024-10-24 07:23:29,214 INFO L226 Difference]: Without dead ends: 96 [2024-10-24 07:23:29,218 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 104 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 07:23:29,224 INFO L432 NwaCegarLoop]: 148 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, 148 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 07:23:29,226 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 148 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 07:23:29,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-10-24 07:23:29,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-10-24 07:23:29,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 60 states have (on average 1.3833333333333333) internal successors, (83), 60 states have internal predecessors, (83), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-24 07:23:29,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 151 transitions. [2024-10-24 07:23:29,289 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 151 transitions. Word has length 213 [2024-10-24 07:23:29,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:23:29,290 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 151 transitions. [2024-10-24 07:23:29,291 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, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-10-24 07:23:29,291 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 151 transitions. [2024-10-24 07:23:29,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-10-24 07:23:29,296 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:23:29,296 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:23:29,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 07:23:29,297 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:23:29,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:23:29,298 INFO L85 PathProgramCache]: Analyzing trace with hash -993235516, now seen corresponding path program 1 times [2024-10-24 07:23:29,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:23:29,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828829642] [2024-10-24 07:23:29,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:23:29,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:23:29,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:30,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:23:30,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:30,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:23:30,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:30,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 07:23:30,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:30,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:23:30,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:30,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 07:23:30,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:30,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 07:23:30,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:30,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-24 07:23:30,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:30,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:23:30,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:30,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:23:30,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:30,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:23:30,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:30,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:23:30,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:30,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:23:30,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:30,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:23:30,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:30,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:23:30,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:30,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:23:30,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:30,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:23:30,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:30,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:23:30,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:30,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:23:30,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:30,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:23:30,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:30,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:23:30,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:30,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:23:30,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:30,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:23:30,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:30,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:23:30,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:30,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:23:30,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:30,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:23:30,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:30,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:23:30,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:30,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 07:23:30,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:30,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 07:23:30,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:30,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 07:23:30,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:30,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 07:23:30,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:30,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 07:23:30,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:30,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 07:23:30,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:30,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-24 07:23:30,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:30,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-24 07:23:30,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:30,810 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-24 07:23:30,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:23:30,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828829642] [2024-10-24 07:23:30,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828829642] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:23:30,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:23:30,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 07:23:30,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455863483] [2024-10-24 07:23:30,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:23:30,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 07:23:30,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:23:30,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 07:23:30,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 07:23:30,817 INFO L87 Difference]: Start difference. First operand 96 states and 151 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, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-24 07:23:31,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:23:31,318 INFO L93 Difference]: Finished difference Result 344 states and 542 transitions. [2024-10-24 07:23:31,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 07:23:31,319 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, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 213 [2024-10-24 07:23:31,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:23:31,324 INFO L225 Difference]: With dead ends: 344 [2024-10-24 07:23:31,326 INFO L226 Difference]: Without dead ends: 249 [2024-10-24 07:23:31,327 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 07:23:31,328 INFO L432 NwaCegarLoop]: 317 mSDtfsCounter, 278 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 07:23:31,329 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 542 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 07:23:31,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2024-10-24 07:23:31,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 187. [2024-10-24 07:23:31,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 116 states have (on average 1.3362068965517242) internal successors, (155), 116 states have internal predecessors, (155), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-10-24 07:23:31,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 291 transitions. [2024-10-24 07:23:31,399 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 291 transitions. Word has length 213 [2024-10-24 07:23:31,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:23:31,400 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 291 transitions. [2024-10-24 07:23:31,401 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, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-24 07:23:31,401 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 291 transitions. [2024-10-24 07:23:31,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-10-24 07:23:31,405 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:23:31,408 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:23:31,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 07:23:31,409 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:23:31,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:23:31,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1307587074, now seen corresponding path program 1 times [2024-10-24 07:23:31,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:23:31,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526883224] [2024-10-24 07:23:31,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:23:31,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:23:31,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:31,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:23:31,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:31,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:23:31,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:31,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 07:23:31,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:31,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:23:31,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:31,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 07:23:31,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:31,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 07:23:31,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:31,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-24 07:23:31,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:31,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:23:31,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:31,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:23:31,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:31,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:23:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:31,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:23:31,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:31,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:23:31,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:31,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:23:31,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:31,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:23:31,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:31,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:23:31,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:31,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:23:31,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:31,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:23:31,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:31,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:23:31,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:31,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:23:31,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:31,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:23:31,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:31,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:23:31,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:31,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:23:31,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:31,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:23:31,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:31,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:23:31,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:31,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:23:31,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:31,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:23:31,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:32,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 07:23:32,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:32,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 07:23:32,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:32,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 07:23:32,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:32,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 07:23:32,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:32,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 07:23:32,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:32,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 07:23:32,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:32,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-24 07:23:32,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:32,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-24 07:23:32,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:32,031 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-24 07:23:32,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:23:32,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526883224] [2024-10-24 07:23:32,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526883224] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:23:32,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:23:32,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 07:23:32,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041834618] [2024-10-24 07:23:32,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:23:32,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 07:23:32,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:23:32,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 07:23:32,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 07:23:32,038 INFO L87 Difference]: Start difference. First operand 187 states and 291 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, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-24 07:23:32,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:23:32,186 INFO L93 Difference]: Finished difference Result 373 states and 581 transitions. [2024-10-24 07:23:32,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 07:23:32,187 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, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 213 [2024-10-24 07:23:32,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:23:32,191 INFO L225 Difference]: With dead ends: 373 [2024-10-24 07:23:32,191 INFO L226 Difference]: Without dead ends: 187 [2024-10-24 07:23:32,194 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 71 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 07:23:32,195 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 141 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 07:23:32,196 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 229 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 07:23:32,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-10-24 07:23:32,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2024-10-24 07:23:32,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 116 states have (on average 1.3275862068965518) internal successors, (154), 116 states have internal predecessors, (154), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-10-24 07:23:32,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 290 transitions. [2024-10-24 07:23:32,255 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 290 transitions. Word has length 213 [2024-10-24 07:23:32,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:23:32,256 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 290 transitions. [2024-10-24 07:23:32,258 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, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-24 07:23:32,258 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 290 transitions. [2024-10-24 07:23:32,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-10-24 07:23:32,264 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:23:32,264 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:23:32,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 07:23:32,265 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:23:32,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:23:32,265 INFO L85 PathProgramCache]: Analyzing trace with hash 692726975, now seen corresponding path program 1 times [2024-10-24 07:23:32,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:23:32,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621600385] [2024-10-24 07:23:32,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:23:32,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:23:32,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:32,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:23:32,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:32,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:23:32,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:32,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 07:23:32,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:32,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:23:32,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:32,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 07:23:32,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:32,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 07:23:32,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:32,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-24 07:23:32,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:32,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:23:32,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:32,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:23:32,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:32,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:23:32,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:32,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:23:32,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:32,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:23:32,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:32,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:23:32,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:32,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:23:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:32,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:23:32,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:32,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:23:32,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:32,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:23:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:32,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:23:32,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:32,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:23:32,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:32,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:23:32,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:32,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:23:32,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:32,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:23:32,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:32,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:23:32,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:32,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:23:32,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:32,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:23:32,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:32,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:23:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:32,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 07:23:32,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:32,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 07:23:32,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:32,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 07:23:32,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:32,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 07:23:32,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:32,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 07:23:32,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:32,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 07:23:32,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:32,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-24 07:23:32,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:32,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-24 07:23:32,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:32,909 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-24 07:23:32,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:23:32,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621600385] [2024-10-24 07:23:32,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621600385] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:23:32,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:23:32,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 07:23:32,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769336549] [2024-10-24 07:23:32,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:23:32,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 07:23:32,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:23:32,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 07:23:32,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-24 07:23:32,913 INFO L87 Difference]: Start difference. First operand 187 states and 290 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-24 07:23:33,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:23:33,661 INFO L93 Difference]: Finished difference Result 542 states and 843 transitions. [2024-10-24 07:23:33,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 07:23:33,663 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 214 [2024-10-24 07:23:33,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:23:33,666 INFO L225 Difference]: With dead ends: 542 [2024-10-24 07:23:33,667 INFO L226 Difference]: Without dead ends: 356 [2024-10-24 07:23:33,668 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-24 07:23:33,669 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 303 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 07:23:33,669 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 332 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 07:23:33,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-10-24 07:23:33,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 354. [2024-10-24 07:23:33,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 213 states have (on average 1.3098591549295775) internal successors, (279), 213 states have internal predecessors, (279), 136 states have call successors, (136), 4 states have call predecessors, (136), 4 states have return successors, (136), 136 states have call predecessors, (136), 136 states have call successors, (136) [2024-10-24 07:23:33,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 551 transitions. [2024-10-24 07:23:33,749 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 551 transitions. Word has length 214 [2024-10-24 07:23:33,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:23:33,751 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 551 transitions. [2024-10-24 07:23:33,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-24 07:23:33,751 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 551 transitions. [2024-10-24 07:23:33,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-10-24 07:23:33,753 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:23:33,754 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:23:33,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 07:23:33,754 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:23:33,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:23:33,755 INFO L85 PathProgramCache]: Analyzing trace with hash 971239979, now seen corresponding path program 1 times [2024-10-24 07:23:33,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:23:33,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427716515] [2024-10-24 07:23:33,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:23:33,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:23:33,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:34,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:23:34,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:34,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:23:34,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:34,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 07:23:34,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:34,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:23:34,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:34,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 07:23:34,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:34,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 07:23:34,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:34,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-24 07:23:34,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:34,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:23:34,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:34,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:23:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:34,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:23:34,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:34,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:23:34,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:34,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:23:34,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:34,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:23:34,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:34,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:23:34,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:34,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:23:34,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:34,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:23:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:34,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:23:34,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:34,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:23:34,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:34,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:23:34,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:34,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:23:34,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:34,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:23:34,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:34,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:23:34,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:34,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:23:34,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:34,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:23:34,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:34,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:23:34,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:34,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:23:34,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:34,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 07:23:34,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:34,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 07:23:34,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:34,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 07:23:34,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:34,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 07:23:34,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:34,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 07:23:34,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:34,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 07:23:34,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:34,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-24 07:23:34,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:34,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-24 07:23:34,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:34,230 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-24 07:23:34,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:23:34,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427716515] [2024-10-24 07:23:34,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427716515] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:23:34,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:23:34,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 07:23:34,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708007068] [2024-10-24 07:23:34,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:23:34,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 07:23:34,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:23:34,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 07:23:34,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-24 07:23:34,233 INFO L87 Difference]: Start difference. First operand 354 states and 551 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-24 07:23:34,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:23:34,632 INFO L93 Difference]: Finished difference Result 677 states and 1056 transitions. [2024-10-24 07:23:34,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 07:23:34,632 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 215 [2024-10-24 07:23:34,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:23:34,636 INFO L225 Difference]: With dead ends: 677 [2024-10-24 07:23:34,636 INFO L226 Difference]: Without dead ends: 383 [2024-10-24 07:23:34,638 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-24 07:23:34,639 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 215 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 07:23:34,639 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 304 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 07:23:34,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2024-10-24 07:23:34,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 293. [2024-10-24 07:23:34,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 187 states have (on average 1.3475935828877006) internal successors, (252), 187 states have internal predecessors, (252), 102 states have call successors, (102), 3 states have call predecessors, (102), 3 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-10-24 07:23:34,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 456 transitions. [2024-10-24 07:23:34,704 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 456 transitions. Word has length 215 [2024-10-24 07:23:34,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:23:34,705 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 456 transitions. [2024-10-24 07:23:34,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-24 07:23:34,705 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 456 transitions. [2024-10-24 07:23:34,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-10-24 07:23:34,707 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:23:34,707 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:23:34,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 07:23:34,708 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:23:34,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:23:34,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1957138625, now seen corresponding path program 1 times [2024-10-24 07:23:34,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:23:34,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363681154] [2024-10-24 07:23:34,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:23:34,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:23:34,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:51,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:23:51,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:51,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:23:51,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:51,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 07:23:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:51,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:23:51,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:51,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 07:23:51,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:51,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 07:23:51,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:51,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-24 07:23:51,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:51,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:23:51,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:51,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:23:51,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:51,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:23:51,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:51,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:23:51,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:51,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:23:51,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:51,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:23:51,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:51,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:23:51,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:51,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:23:51,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:51,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:23:51,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:51,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:23:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:51,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:23:51,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:51,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:23:51,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:51,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:23:51,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:51,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:23:51,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:51,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:23:51,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:51,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:23:51,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:51,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:23:51,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:51,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:23:51,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:51,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:23:51,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:51,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 07:23:51,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:51,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 07:23:51,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:51,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 07:23:51,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:51,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 07:23:51,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:51,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 07:23:51,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:51,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 07:23:51,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:51,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-24 07:23:51,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:51,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-24 07:23:51,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:23:51,826 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-24 07:23:51,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:23:51,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363681154] [2024-10-24 07:23:51,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363681154] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:23:51,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:23:51,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 07:23:51,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673818647] [2024-10-24 07:23:51,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:23:51,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 07:23:51,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:23:51,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 07:23:51,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-24 07:23:51,830 INFO L87 Difference]: Start difference. First operand 293 states and 456 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-24 07:23:53,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:23:53,309 INFO L93 Difference]: Finished difference Result 1095 states and 1693 transitions. [2024-10-24 07:23:53,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 07:23:53,310 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 215 [2024-10-24 07:23:53,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:23:53,316 INFO L225 Difference]: With dead ends: 1095 [2024-10-24 07:23:53,316 INFO L226 Difference]: Without dead ends: 803 [2024-10-24 07:23:53,318 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-10-24 07:23:53,319 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 494 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 494 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-24 07:23:53,319 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [494 Valid, 354 Invalid, 680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-24 07:23:53,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2024-10-24 07:23:53,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 731. [2024-10-24 07:23:53,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 731 states, 463 states have (on average 1.3196544276457884) internal successors, (611), 466 states have internal predecessors, (611), 258 states have call successors, (258), 9 states have call predecessors, (258), 9 states have return successors, (258), 255 states have call predecessors, (258), 258 states have call successors, (258) [2024-10-24 07:23:53,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 731 states and 1127 transitions. [2024-10-24 07:23:53,479 INFO L78 Accepts]: Start accepts. Automaton has 731 states and 1127 transitions. Word has length 215 [2024-10-24 07:23:53,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:23:53,482 INFO L471 AbstractCegarLoop]: Abstraction has 731 states and 1127 transitions. [2024-10-24 07:23:53,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-24 07:23:53,483 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 1127 transitions. [2024-10-24 07:23:53,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-10-24 07:23:53,486 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:23:53,486 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:23:53,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 07:23:53,487 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:23:53,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:23:53,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1057964993, now seen corresponding path program 1 times [2024-10-24 07:23:53,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:23:53,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459901650] [2024-10-24 07:23:53,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:23:53,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:23:53,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat