./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-73.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-73.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 514a42f8e91bea24d0ae9f58962dbe4c57902d8969e319af87e555b660ba36db --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 07:20:23,999 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 07:20:24,071 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 07:20:24,078 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 07:20:24,079 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 07:20:24,105 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 07:20:24,105 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 07:20:24,106 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 07:20:24,106 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 07:20:24,107 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 07:20:24,107 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 07:20:24,108 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 07:20:24,108 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 07:20:24,110 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 07:20:24,110 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 07:20:24,111 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 07:20:24,111 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 07:20:24,112 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 07:20:24,112 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 07:20:24,112 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 07:20:24,112 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 07:20:24,116 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 07:20:24,116 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 07:20:24,117 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 07:20:24,117 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 07:20:24,117 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 07:20:24,117 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 07:20:24,118 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 07:20:24,118 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 07:20:24,118 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 07:20:24,119 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 07:20:24,119 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 07:20:24,119 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 07:20:24,119 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 07:20:24,120 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 07:20:24,120 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 07:20:24,122 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 07:20:24,122 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 07:20:24,123 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 07:20:24,123 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 07:20:24,123 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 07:20:24,124 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 07:20:24,124 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 514a42f8e91bea24d0ae9f58962dbe4c57902d8969e319af87e555b660ba36db [2024-10-24 07:20:24,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 07:20:24,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 07:20:24,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 07:20:24,407 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 07:20:24,408 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 07:20:24,409 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-73.i [2024-10-24 07:20:25,785 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 07:20:25,994 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 07:20:25,995 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-73.i [2024-10-24 07:20:26,005 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d3bca70e/b9d4b4ee91034d78a3bd27236ccba0c6/FLAGab648299c [2024-10-24 07:20:26,018 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d3bca70e/b9d4b4ee91034d78a3bd27236ccba0c6 [2024-10-24 07:20:26,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 07:20:26,022 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 07:20:26,025 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 07:20:26,025 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 07:20:26,030 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 07:20:26,030 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:20:26" (1/1) ... [2024-10-24 07:20:26,031 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f33cb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:20:26, skipping insertion in model container [2024-10-24 07:20:26,031 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:20:26" (1/1) ... [2024-10-24 07:20:26,066 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 07:20:26,238 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-73.i[919,932] [2024-10-24 07:20:26,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 07:20:26,318 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 07:20:26,330 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-73.i[919,932] [2024-10-24 07:20:26,374 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 07:20:26,395 INFO L204 MainTranslator]: Completed translation [2024-10-24 07:20:26,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:20:26 WrapperNode [2024-10-24 07:20:26,396 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 07:20:26,397 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 07:20:26,397 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 07:20:26,397 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 07:20:26,403 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:20:26" (1/1) ... [2024-10-24 07:20:26,415 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:20:26" (1/1) ... [2024-10-24 07:20:26,513 INFO L138 Inliner]: procedures = 26, calls = 51, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 266 [2024-10-24 07:20:26,513 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 07:20:26,514 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 07:20:26,514 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 07:20:26,514 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 07:20:26,529 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:20:26" (1/1) ... [2024-10-24 07:20:26,530 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:20:26" (1/1) ... [2024-10-24 07:20:26,534 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:20:26" (1/1) ... [2024-10-24 07:20:26,552 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 07:20:26,552 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:20:26" (1/1) ... [2024-10-24 07:20:26,553 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:20:26" (1/1) ... [2024-10-24 07:20:26,564 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:20:26" (1/1) ... [2024-10-24 07:20:26,568 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:20:26" (1/1) ... [2024-10-24 07:20:26,574 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:20:26" (1/1) ... [2024-10-24 07:20:26,576 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:20:26" (1/1) ... [2024-10-24 07:20:26,582 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 07:20:26,583 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 07:20:26,583 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 07:20:26,583 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 07:20:26,584 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:20:26" (1/1) ... [2024-10-24 07:20:26,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 07:20:26,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 07:20:26,623 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 07:20:26,625 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 07:20:26,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 07:20:26,662 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 07:20:26,663 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 07:20:26,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 07:20:26,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 07:20:26,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 07:20:26,744 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 07:20:26,745 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 07:20:27,230 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-10-24 07:20:27,230 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 07:20:27,269 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 07:20:27,270 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 07:20:27,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:20:27 BoogieIcfgContainer [2024-10-24 07:20:27,271 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 07:20:27,273 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 07:20:27,273 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 07:20:27,276 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 07:20:27,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 07:20:26" (1/3) ... [2024-10-24 07:20:27,277 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b4c2a6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:20:27, skipping insertion in model container [2024-10-24 07:20:27,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:20:26" (2/3) ... [2024-10-24 07:20:27,279 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b4c2a6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:20:27, skipping insertion in model container [2024-10-24 07:20:27,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:20:27" (3/3) ... [2024-10-24 07:20:27,280 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-73.i [2024-10-24 07:20:27,294 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 07:20:27,294 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 07:20:27,348 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 07:20:27,354 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;@14ee8a59, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 07:20:27,355 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 07:20:27,359 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 66 states have (on average 1.4696969696969697) internal successors, (97), 67 states have internal predecessors, (97), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-24 07:20:27,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2024-10-24 07:20:27,377 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:20:27,378 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:20:27,378 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:20:27,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:20:27,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1698370181, now seen corresponding path program 1 times [2024-10-24 07:20:27,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:20:27,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660441734] [2024-10-24 07:20:27,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:20:27,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:20:27,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:27,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:20:27,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:27,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 07:20:27,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:27,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 07:20:27,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:27,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 07:20:27,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:27,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 07:20:27,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:27,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 07:20:27,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:27,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 07:20:27,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:27,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 07:20:27,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:27,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 07:20:27,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:27,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 07:20:27,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:27,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-24 07:20:27,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:27,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 07:20:27,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:27,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 07:20:27,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:27,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 07:20:27,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:27,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 07:20:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:27,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 07:20:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:27,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 07:20:27,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:27,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 07:20:27,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:27,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 07:20:27,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:27,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 07:20:27,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:27,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 07:20:27,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:27,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 07:20:27,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:27,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 07:20:27,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:27,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 07:20:27,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:27,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 07:20:27,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:27,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 07:20:27,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:27,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 07:20:27,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:27,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 07:20:27,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:27,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 07:20:27,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:27,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 07:20:27,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:27,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 07:20:27,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:27,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-24 07:20:27,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:28,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 07:20:28,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:28,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-24 07:20:28,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:28,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-24 07:20:28,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:28,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-24 07:20:28,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:28,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-24 07:20:28,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:28,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-24 07:20:28,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:28,053 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-24 07:20:28,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:20:28,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660441734] [2024-10-24 07:20:28,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660441734] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:20:28,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:20:28,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 07:20:28,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133998260] [2024-10-24 07:20:28,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:20:28,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 07:20:28,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:20:28,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 07:20:28,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 07:20:28,091 INFO L87 Difference]: Start difference. First operand has 107 states, 66 states have (on average 1.4696969696969697) internal successors, (97), 67 states have internal predecessors, (97), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 2 states have call successors, (38) [2024-10-24 07:20:28,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:20:28,142 INFO L93 Difference]: Finished difference Result 211 states and 382 transitions. [2024-10-24 07:20:28,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 07:20:28,146 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 2 states have call successors, (38) Word has length 238 [2024-10-24 07:20:28,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:20:28,156 INFO L225 Difference]: With dead ends: 211 [2024-10-24 07:20:28,156 INFO L226 Difference]: Without dead ends: 105 [2024-10-24 07:20:28,161 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 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 07:20:28,166 INFO L432 NwaCegarLoop]: 164 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, 164 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 07:20:28,168 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 164 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 07:20:28,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-10-24 07:20:28,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2024-10-24 07:20:28,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 65 states have (on average 1.4) internal successors, (91), 65 states have internal predecessors, (91), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-24 07:20:28,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 167 transitions. [2024-10-24 07:20:28,240 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 167 transitions. Word has length 238 [2024-10-24 07:20:28,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:20:28,242 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 167 transitions. [2024-10-24 07:20:28,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 2 states have call successors, (38) [2024-10-24 07:20:28,243 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 167 transitions. [2024-10-24 07:20:28,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2024-10-24 07:20:28,251 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:20:28,252 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:20:28,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 07:20:28,253 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:20:28,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:20:28,254 INFO L85 PathProgramCache]: Analyzing trace with hash -985504521, now seen corresponding path program 1 times [2024-10-24 07:20:28,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:20:28,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472444488] [2024-10-24 07:20:28,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:20:28,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:20:28,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:28,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:20:28,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:28,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 07:20:28,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:28,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 07:20:28,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:28,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 07:20:28,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:28,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 07:20:28,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:28,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 07:20:28,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:28,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 07:20:28,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:28,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 07:20:28,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:28,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 07:20:28,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:28,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 07:20:28,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:28,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-24 07:20:28,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:28,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 07:20:28,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:28,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 07:20:28,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:28,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 07:20:28,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:28,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 07:20:28,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:28,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 07:20:28,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:28,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 07:20:28,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:28,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 07:20:28,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:28,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 07:20:28,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:28,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 07:20:28,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:28,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 07:20:28,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:28,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 07:20:28,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:28,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 07:20:28,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:28,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 07:20:28,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:28,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 07:20:28,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:28,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 07:20:28,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:28,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 07:20:28,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:28,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 07:20:28,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:28,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 07:20:28,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:28,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 07:20:28,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:28,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 07:20:28,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:28,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-24 07:20:28,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:28,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 07:20:28,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:28,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-24 07:20:28,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:28,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-24 07:20:28,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:28,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-24 07:20:28,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:28,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-24 07:20:28,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:28,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-24 07:20:28,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:28,630 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-24 07:20:28,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:20:28,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472444488] [2024-10-24 07:20:28,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472444488] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:20:28,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:20:28,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 07:20:28,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826113340] [2024-10-24 07:20:28,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:20:28,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 07:20:28,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:20:28,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 07:20:28,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 07:20:28,634 INFO L87 Difference]: Start difference. First operand 105 states and 167 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-24 07:20:28,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:20:28,687 INFO L93 Difference]: Finished difference Result 269 states and 424 transitions. [2024-10-24 07:20:28,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 07:20:28,688 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 238 [2024-10-24 07:20:28,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:20:28,693 INFO L225 Difference]: With dead ends: 269 [2024-10-24 07:20:28,694 INFO L226 Difference]: Without dead ends: 165 [2024-10-24 07:20:28,695 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 07:20:28,696 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 88 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 07:20:28,697 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 373 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 07:20:28,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-10-24 07:20:28,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 162. [2024-10-24 07:20:28,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 100 states have (on average 1.36) internal successors, (136), 101 states have internal predecessors, (136), 59 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (59), 58 states have call predecessors, (59), 59 states have call successors, (59) [2024-10-24 07:20:28,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 254 transitions. [2024-10-24 07:20:28,727 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 254 transitions. Word has length 238 [2024-10-24 07:20:28,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:20:28,728 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 254 transitions. [2024-10-24 07:20:28,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-24 07:20:28,729 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 254 transitions. [2024-10-24 07:20:28,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2024-10-24 07:20:28,766 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:20:28,766 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:20:28,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 07:20:28,767 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:20:28,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:20:28,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1112788495, now seen corresponding path program 1 times [2024-10-24 07:20:28,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:20:28,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143632493] [2024-10-24 07:20:28,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:20:28,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:20:28,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:20:29,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 07:20:29,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 07:20:29,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 07:20:29,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 07:20:29,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 07:20:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 07:20:29,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 07:20:29,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 07:20:29,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 07:20:29,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-24 07:20:29,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 07:20:29,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 07:20:29,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 07:20:29,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 07:20:29,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 07:20:29,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 07:20:29,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 07:20:29,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 07:20:29,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 07:20:29,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 07:20:29,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 07:20:29,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 07:20:29,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 07:20:29,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 07:20:29,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 07:20:29,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 07:20:29,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 07:20:29,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 07:20:29,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 07:20:29,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 07:20:29,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-24 07:20:29,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 07:20:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-24 07:20:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-24 07:20:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-24 07:20:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-24 07:20:29,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-24 07:20:29,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,205 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-24 07:20:29,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:20:29,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143632493] [2024-10-24 07:20:29,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143632493] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:20:29,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:20:29,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 07:20:29,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578782872] [2024-10-24 07:20:29,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:20:29,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 07:20:29,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:20:29,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 07:20:29,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 07:20:29,210 INFO L87 Difference]: Start difference. First operand 162 states and 254 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-24 07:20:29,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:20:29,268 INFO L93 Difference]: Finished difference Result 325 states and 511 transitions. [2024-10-24 07:20:29,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 07:20:29,269 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 239 [2024-10-24 07:20:29,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:20:29,273 INFO L225 Difference]: With dead ends: 325 [2024-10-24 07:20:29,273 INFO L226 Difference]: Without dead ends: 164 [2024-10-24 07:20:29,274 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 07:20:29,275 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 0 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 07:20:29,276 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 320 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 07:20:29,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-10-24 07:20:29,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2024-10-24 07:20:29,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 102 states have (on average 1.3529411764705883) internal successors, (138), 103 states have internal predecessors, (138), 59 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (59), 58 states have call predecessors, (59), 59 states have call successors, (59) [2024-10-24 07:20:29,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 256 transitions. [2024-10-24 07:20:29,305 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 256 transitions. Word has length 239 [2024-10-24 07:20:29,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:20:29,306 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 256 transitions. [2024-10-24 07:20:29,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-24 07:20:29,307 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 256 transitions. [2024-10-24 07:20:29,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-10-24 07:20:29,311 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:20:29,311 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:20:29,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 07:20:29,312 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:20:29,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:20:29,313 INFO L85 PathProgramCache]: Analyzing trace with hash 576804463, now seen corresponding path program 1 times [2024-10-24 07:20:29,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:20:29,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153652891] [2024-10-24 07:20:29,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:20:29,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:20:29,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:20:29,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 07:20:29,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 07:20:29,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 07:20:29,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 07:20:29,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 07:20:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 07:20:29,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 07:20:29,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 07:20:29,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 07:20:29,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-24 07:20:29,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 07:20:29,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 07:20:29,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 07:20:29,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 07:20:29,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 07:20:29,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 07:20:29,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 07:20:29,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 07:20:29,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 07:20:29,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 07:20:29,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 07:20:29,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 07:20:29,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 07:20:29,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 07:20:29,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 07:20:29,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 07:20:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 07:20:29,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 07:20:29,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 07:20:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 07:20:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-24 07:20:29,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 07:20:29,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-24 07:20:29,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-24 07:20:29,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-24 07:20:29,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-24 07:20:29,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-24 07:20:29,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:29,806 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-24 07:20:29,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:20:29,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153652891] [2024-10-24 07:20:29,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153652891] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:20:29,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:20:29,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 07:20:29,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090258474] [2024-10-24 07:20:29,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:20:29,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 07:20:29,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:20:29,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 07:20:29,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 07:20:29,810 INFO L87 Difference]: Start difference. First operand 164 states and 256 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-24 07:20:30,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:20:30,237 INFO L93 Difference]: Finished difference Result 633 states and 962 transitions. [2024-10-24 07:20:30,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 07:20:30,238 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 240 [2024-10-24 07:20:30,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:20:30,242 INFO L225 Difference]: With dead ends: 633 [2024-10-24 07:20:30,242 INFO L226 Difference]: Without dead ends: 470 [2024-10-24 07:20:30,243 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-24 07:20:30,244 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 314 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 07:20:30,244 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 621 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 07:20:30,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2024-10-24 07:20:30,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 436. [2024-10-24 07:20:30,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 273 states have (on average 1.3076923076923077) internal successors, (357), 280 states have internal predecessors, (357), 154 states have call successors, (154), 8 states have call predecessors, (154), 8 states have return successors, (154), 147 states have call predecessors, (154), 154 states have call successors, (154) [2024-10-24 07:20:30,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 665 transitions. [2024-10-24 07:20:30,316 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 665 transitions. Word has length 240 [2024-10-24 07:20:30,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:20:30,318 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 665 transitions. [2024-10-24 07:20:30,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-24 07:20:30,319 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 665 transitions. [2024-10-24 07:20:30,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-10-24 07:20:30,321 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:20:30,321 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:20:30,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 07:20:30,322 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:20:30,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:20:30,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1837676399, now seen corresponding path program 1 times [2024-10-24 07:20:30,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:20:30,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574901434] [2024-10-24 07:20:30,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:20:30,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:20:30,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:30,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:20:30,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:30,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 07:20:30,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:30,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 07:20:30,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:30,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 07:20:30,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:30,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 07:20:30,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:30,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 07:20:30,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:30,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 07:20:30,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:30,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 07:20:30,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:30,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 07:20:30,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:30,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 07:20:30,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:30,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-24 07:20:30,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:30,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 07:20:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:30,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 07:20:30,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:30,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 07:20:30,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:30,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 07:20:30,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:30,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 07:20:30,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:30,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 07:20:30,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:30,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 07:20:30,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:30,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 07:20:30,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:30,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 07:20:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:30,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 07:20:30,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:30,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 07:20:30,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:30,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 07:20:30,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:30,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 07:20:30,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:30,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 07:20:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:30,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 07:20:30,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:30,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 07:20:30,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:30,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 07:20:30,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:30,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 07:20:30,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:30,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 07:20:30,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:30,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 07:20:30,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:30,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-24 07:20:30,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:30,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 07:20:30,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:30,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-24 07:20:30,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:30,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-24 07:20:30,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:30,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-24 07:20:30,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:30,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-24 07:20:30,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:30,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-24 07:20:30,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:30,681 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-24 07:20:30,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:20:30,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574901434] [2024-10-24 07:20:30,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574901434] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:20:30,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:20:30,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 07:20:30,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558868517] [2024-10-24 07:20:30,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:20:30,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 07:20:30,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:20:30,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 07:20:30,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 07:20:30,683 INFO L87 Difference]: Start difference. First operand 436 states and 665 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-24 07:20:30,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:20:30,852 INFO L93 Difference]: Finished difference Result 1294 states and 1975 transitions. [2024-10-24 07:20:30,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 07:20:30,853 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 240 [2024-10-24 07:20:30,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:20:30,859 INFO L225 Difference]: With dead ends: 1294 [2024-10-24 07:20:30,860 INFO L226 Difference]: Without dead ends: 859 [2024-10-24 07:20:30,862 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 07:20:30,863 INFO L432 NwaCegarLoop]: 257 mSDtfsCounter, 143 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 07:20:30,863 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 398 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 07:20:30,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2024-10-24 07:20:30,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 506. [2024-10-24 07:20:30,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 343 states have (on average 1.3731778425655976) internal successors, (471), 350 states have internal predecessors, (471), 154 states have call successors, (154), 8 states have call predecessors, (154), 8 states have return successors, (154), 147 states have call predecessors, (154), 154 states have call successors, (154) [2024-10-24 07:20:30,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 779 transitions. [2024-10-24 07:20:30,957 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 779 transitions. Word has length 240 [2024-10-24 07:20:30,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:20:30,958 INFO L471 AbstractCegarLoop]: Abstraction has 506 states and 779 transitions. [2024-10-24 07:20:30,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-24 07:20:30,958 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 779 transitions. [2024-10-24 07:20:30,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-10-24 07:20:30,961 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:20:30,961 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:20:30,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 07:20:30,961 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:20:30,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:20:30,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1894934701, now seen corresponding path program 1 times [2024-10-24 07:20:30,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:20:30,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3939803] [2024-10-24 07:20:30,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:20:30,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:20:31,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:31,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:20:31,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:31,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 07:20:31,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:31,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 07:20:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:31,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 07:20:31,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:31,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 07:20:31,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:31,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 07:20:31,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:31,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 07:20:31,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:31,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 07:20:31,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:31,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 07:20:31,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:31,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 07:20:31,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:32,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-24 07:20:32,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:32,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 07:20:32,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:32,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 07:20:32,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:32,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 07:20:32,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:32,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 07:20:32,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:32,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 07:20:32,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:32,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 07:20:32,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:32,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 07:20:32,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:32,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 07:20:32,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:32,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 07:20:32,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:32,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 07:20:32,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:32,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 07:20:32,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:32,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 07:20:32,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:32,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 07:20:32,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:32,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 07:20:32,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:32,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 07:20:32,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:32,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 07:20:32,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:32,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 07:20:32,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:32,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 07:20:32,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:32,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 07:20:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:32,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 07:20:32,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:32,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-24 07:20:32,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:32,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 07:20:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:32,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-24 07:20:32,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:32,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-24 07:20:32,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:32,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-24 07:20:32,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:32,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-24 07:20:32,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:32,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-24 07:20:32,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:32,169 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 27 proven. 84 refuted. 0 times theorem prover too weak. 2701 trivial. 0 not checked. [2024-10-24 07:20:32,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:20:32,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3939803] [2024-10-24 07:20:32,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3939803] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 07:20:32,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1014189414] [2024-10-24 07:20:32,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:20:32,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 07:20:32,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 07:20:32,172 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 07:20:32,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 07:20:32,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:32,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-24 07:20:32,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 07:20:33,259 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 1063 proven. 84 refuted. 0 times theorem prover too weak. 1665 trivial. 0 not checked. [2024-10-24 07:20:33,259 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 07:20:36,015 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 27 proven. 84 refuted. 0 times theorem prover too weak. 2701 trivial. 0 not checked. [2024-10-24 07:20:36,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1014189414] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 07:20:36,016 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 07:20:36,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 15 [2024-10-24 07:20:36,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978085650] [2024-10-24 07:20:36,016 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 07:20:36,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-24 07:20:36,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:20:36,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-24 07:20:36,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2024-10-24 07:20:36,019 INFO L87 Difference]: Start difference. First operand 506 states and 779 transitions. Second operand has 15 states, 15 states have (on average 7.2) internal successors, (108), 15 states have internal predecessors, (108), 5 states have call successors, (114), 3 states have call predecessors, (114), 6 states have return successors, (114), 5 states have call predecessors, (114), 5 states have call successors, (114) [2024-10-24 07:20:38,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:20:38,382 INFO L93 Difference]: Finished difference Result 2788 states and 4219 transitions. [2024-10-24 07:20:38,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-24 07:20:38,383 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.2) internal successors, (108), 15 states have internal predecessors, (108), 5 states have call successors, (114), 3 states have call predecessors, (114), 6 states have return successors, (114), 5 states have call predecessors, (114), 5 states have call successors, (114) Word has length 240 [2024-10-24 07:20:38,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:20:38,396 INFO L225 Difference]: With dead ends: 2788 [2024-10-24 07:20:38,397 INFO L226 Difference]: Without dead ends: 2283 [2024-10-24 07:20:38,400 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 584 GetRequests, 551 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=313, Invalid=877, Unknown=0, NotChecked=0, Total=1190 [2024-10-24 07:20:38,401 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 723 mSDsluCounter, 1212 mSDsCounter, 0 mSdLazyCounter, 1200 mSolverCounterSat, 444 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 760 SdHoareTripleChecker+Valid, 1366 SdHoareTripleChecker+Invalid, 1644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 444 IncrementalHoareTripleChecker+Valid, 1200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-24 07:20:38,401 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [760 Valid, 1366 Invalid, 1644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [444 Valid, 1200 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-24 07:20:38,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2283 states. [2024-10-24 07:20:38,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2283 to 1434. [2024-10-24 07:20:38,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1434 states, 987 states have (on average 1.3657548125633232) internal successors, (1348), 1009 states have internal predecessors, (1348), 418 states have call successors, (418), 28 states have call predecessors, (418), 28 states have return successors, (418), 396 states have call predecessors, (418), 418 states have call successors, (418) [2024-10-24 07:20:38,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 1434 states and 2184 transitions. [2024-10-24 07:20:38,692 INFO L78 Accepts]: Start accepts. Automaton has 1434 states and 2184 transitions. Word has length 240 [2024-10-24 07:20:38,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:20:38,693 INFO L471 AbstractCegarLoop]: Abstraction has 1434 states and 2184 transitions. [2024-10-24 07:20:38,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 7.2) internal successors, (108), 15 states have internal predecessors, (108), 5 states have call successors, (114), 3 states have call predecessors, (114), 6 states have return successors, (114), 5 states have call predecessors, (114), 5 states have call successors, (114) [2024-10-24 07:20:38,693 INFO L276 IsEmpty]: Start isEmpty. Operand 1434 states and 2184 transitions. [2024-10-24 07:20:38,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-10-24 07:20:38,698 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:20:38,698 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:20:38,718 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-24 07:20:38,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-10-24 07:20:38,899 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:20:38,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:20:38,900 INFO L85 PathProgramCache]: Analyzing trace with hash -28293333, now seen corresponding path program 1 times [2024-10-24 07:20:38,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:20:38,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571245988] [2024-10-24 07:20:38,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:20:38,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:20:38,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:45,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:20:45,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:45,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 07:20:45,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:45,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 07:20:45,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:45,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 07:20:45,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:45,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 07:20:45,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:45,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 07:20:45,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:45,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 07:20:45,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:45,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 07:20:45,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:45,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 07:20:45,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:45,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 07:20:45,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:45,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-24 07:20:45,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:45,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 07:20:45,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:45,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 07:20:45,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:45,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 07:20:45,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:45,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 07:20:45,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:45,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 07:20:45,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:45,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 07:20:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:45,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 07:20:45,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:45,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 07:20:45,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:46,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 07:20:46,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:46,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 07:20:46,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:46,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 07:20:46,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:46,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 07:20:46,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:46,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 07:20:46,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:46,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 07:20:46,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:46,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 07:20:46,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:46,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 07:20:46,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:46,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 07:20:46,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:46,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 07:20:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:46,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 07:20:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:46,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 07:20:46,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:46,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-24 07:20:46,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:46,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 07:20:46,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:46,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-24 07:20:46,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:46,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-24 07:20:46,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:46,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-24 07:20:46,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:46,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-24 07:20:46,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:46,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-24 07:20:46,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:46,170 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 126 proven. 90 refuted. 0 times theorem prover too weak. 2596 trivial. 0 not checked. [2024-10-24 07:20:46,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:20:46,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571245988] [2024-10-24 07:20:46,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571245988] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 07:20:46,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1262746922] [2024-10-24 07:20:46,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:20:46,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 07:20:46,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 07:20:46,175 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 07:20:46,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 07:20:46,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:20:46,341 INFO L255 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-10-24 07:20:46,353 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 07:20:57,875 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 2073 proven. 252 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2024-10-24 07:20:57,875 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 07:21:03,475 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 219 proven. 207 refuted. 0 times theorem prover too weak. 2386 trivial. 0 not checked. [2024-10-24 07:21:03,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1262746922] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 07:21:03,475 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 07:21:03,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 23, 21] total 54 [2024-10-24 07:21:03,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132923188] [2024-10-24 07:21:03,476 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 07:21:03,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-10-24 07:21:03,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:21:03,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-10-24 07:21:03,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=480, Invalid=2382, Unknown=0, NotChecked=0, Total=2862 [2024-10-24 07:21:03,481 INFO L87 Difference]: Start difference. First operand 1434 states and 2184 transitions. Second operand has 54 states, 53 states have (on average 3.0943396226415096) internal successors, (164), 52 states have internal predecessors, (164), 15 states have call successors, (104), 6 states have call predecessors, (104), 14 states have return successors, (105), 15 states have call predecessors, (105), 15 states have call successors, (105) [2024-10-24 07:21:19,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0]