./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_loopvsstraightlinecode_100-while_file-20.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 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_loopvsstraightlinecode_100-while_file-20.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 e22f36fcb48e37029a5451272d2b65f2136f0249698c819249f45360edf16ac5 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 06:21:33,424 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 06:21:33,479 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 06:21:33,482 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 06:21:33,484 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 06:21:33,502 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 06:21:33,502 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 06:21:33,503 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 06:21:33,503 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 06:21:33,503 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 06:21:33,504 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 06:21:33,504 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 06:21:33,504 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 06:21:33,505 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 06:21:33,505 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 06:21:33,505 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 06:21:33,505 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 06:21:33,506 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 06:21:33,506 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 06:21:33,506 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 06:21:33,506 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 06:21:33,509 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 06:21:33,509 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 06:21:33,510 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 06:21:33,510 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 06:21:33,510 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 06:21:33,510 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 06:21:33,510 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 06:21:33,511 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 06:21:33,511 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 06:21:33,511 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 06:21:33,511 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 06:21:33,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 06:21:33,512 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 06:21:33,512 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 06:21:33,512 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 06:21:33,512 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 06:21:33,512 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 06:21:33,513 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 06:21:33,513 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 06:21:33,513 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 06:21:33,514 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 06:21:33,514 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e22f36fcb48e37029a5451272d2b65f2136f0249698c819249f45360edf16ac5 [2024-11-20 06:21:33,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 06:21:33,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 06:21:33,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 06:21:33,746 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 06:21:33,747 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 06:21:33,748 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-20.i [2024-11-20 06:21:35,074 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 06:21:35,239 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 06:21:35,240 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-20.i [2024-11-20 06:21:35,254 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdf4c5bfb/e5f7cb99bdba45da8c8864650cc07062/FLAG6ab5eaa3e [2024-11-20 06:21:35,268 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdf4c5bfb/e5f7cb99bdba45da8c8864650cc07062 [2024-11-20 06:21:35,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 06:21:35,271 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 06:21:35,273 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 06:21:35,273 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 06:21:35,278 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 06:21:35,278 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:21:35" (1/1) ... [2024-11-20 06:21:35,281 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dd98f55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:35, skipping insertion in model container [2024-11-20 06:21:35,281 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:21:35" (1/1) ... [2024-11-20 06:21:35,310 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 06:21:35,483 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-20.i[916,929] [2024-11-20 06:21:35,552 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 06:21:35,567 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 06:21:35,577 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-20.i[916,929] [2024-11-20 06:21:35,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 06:21:35,641 INFO L204 MainTranslator]: Completed translation [2024-11-20 06:21:35,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:35 WrapperNode [2024-11-20 06:21:35,641 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 06:21:35,642 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 06:21:35,642 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 06:21:35,642 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 06:21:35,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:35" (1/1) ... [2024-11-20 06:21:35,659 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:35" (1/1) ... [2024-11-20 06:21:35,695 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 261 [2024-11-20 06:21:35,696 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 06:21:35,696 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 06:21:35,696 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 06:21:35,696 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 06:21:35,705 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:35" (1/1) ... [2024-11-20 06:21:35,705 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:35" (1/1) ... [2024-11-20 06:21:35,709 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:35" (1/1) ... [2024-11-20 06:21:35,744 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-20 06:21:35,745 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:35" (1/1) ... [2024-11-20 06:21:35,745 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:35" (1/1) ... [2024-11-20 06:21:35,768 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:35" (1/1) ... [2024-11-20 06:21:35,775 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:35" (1/1) ... [2024-11-20 06:21:35,783 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:35" (1/1) ... [2024-11-20 06:21:35,789 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:35" (1/1) ... [2024-11-20 06:21:35,795 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 06:21:35,797 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 06:21:35,797 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 06:21:35,797 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 06:21:35,798 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:35" (1/1) ... [2024-11-20 06:21:35,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 06:21:35,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 06:21:35,831 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 06:21:35,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 06:21:35,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 06:21:35,879 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 06:21:35,880 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 06:21:35,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 06:21:35,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 06:21:35,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 06:21:35,964 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 06:21:35,966 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 06:21:36,384 INFO L? ?]: Removed 37 outVars from TransFormulas that were not future-live. [2024-11-20 06:21:36,385 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 06:21:36,400 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 06:21:36,400 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 06:21:36,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:21:36 BoogieIcfgContainer [2024-11-20 06:21:36,401 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 06:21:36,403 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 06:21:36,404 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 06:21:36,406 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 06:21:36,406 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:21:35" (1/3) ... [2024-11-20 06:21:36,407 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19f7909a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:21:36, skipping insertion in model container [2024-11-20 06:21:36,408 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:35" (2/3) ... [2024-11-20 06:21:36,408 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19f7909a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:21:36, skipping insertion in model container [2024-11-20 06:21:36,408 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:21:36" (3/3) ... [2024-11-20 06:21:36,410 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-20.i [2024-11-20 06:21:36,424 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 06:21:36,424 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 06:21:36,486 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 06:21:36,491 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;@5c1c403a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 06:21:36,491 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 06:21:36,495 INFO L276 IsEmpty]: Start isEmpty. Operand has 116 states, 82 states have (on average 1.4390243902439024) internal successors, (118), 83 states have internal predecessors, (118), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-20 06:21:36,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-20 06:21:36,507 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:21:36,508 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:21:36,508 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:21:36,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:21:36,513 INFO L85 PathProgramCache]: Analyzing trace with hash 2057946147, now seen corresponding path program 1 times [2024-11-20 06:21:36,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:21:36,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426885218] [2024-11-20 06:21:36,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:21:36,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:21:36,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:36,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:21:36,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:36,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:21:36,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:36,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:21:36,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:36,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:21:36,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:36,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:21:36,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:36,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:21:36,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:36,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:21:36,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:36,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:21:36,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:36,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:21:36,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:36,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:21:36,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:36,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:21:36,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:36,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:21:36,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:36,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 06:21:36,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:36,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 06:21:36,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:36,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 06:21:36,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:36,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 06:21:36,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:36,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 06:21:36,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:36,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 06:21:36,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:36,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 06:21:36,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:36,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 06:21:37,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:37,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 06:21:37,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:37,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 06:21:37,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:37,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:21:37,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:37,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 06:21:37,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:37,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:21:37,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:37,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 06:21:37,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:37,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:21:37,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:37,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 06:21:37,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:37,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:21:37,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:37,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 06:21:37,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:37,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 06:21:37,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:37,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 06:21:37,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:21:37,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426885218] [2024-11-20 06:21:37,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426885218] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:21:37,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:21:37,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 06:21:37,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786146769] [2024-11-20 06:21:37,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:21:37,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 06:21:37,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:21:37,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 06:21:37,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 06:21:37,093 INFO L87 Difference]: Start difference. First operand has 116 states, 82 states have (on average 1.4390243902439024) internal successors, (118), 83 states have internal predecessors, (118), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-20 06:21:37,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:21:37,140 INFO L93 Difference]: Finished difference Result 225 states and 385 transitions. [2024-11-20 06:21:37,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 06:21:37,142 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 204 [2024-11-20 06:21:37,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:21:37,151 INFO L225 Difference]: With dead ends: 225 [2024-11-20 06:21:37,152 INFO L226 Difference]: Without dead ends: 112 [2024-11-20 06:21:37,160 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 06:21:37,165 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 06:21:37,166 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 06:21:37,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-20 06:21:37,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2024-11-20 06:21:37,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 79 states have (on average 1.4050632911392404) internal successors, (111), 79 states have internal predecessors, (111), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-20 06:21:37,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 173 transitions. [2024-11-20 06:21:37,214 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 173 transitions. Word has length 204 [2024-11-20 06:21:37,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:21:37,215 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 173 transitions. [2024-11-20 06:21:37,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-20 06:21:37,215 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 173 transitions. [2024-11-20 06:21:37,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-20 06:21:37,219 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:21:37,219 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:21:37,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 06:21:37,220 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:21:37,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:21:37,220 INFO L85 PathProgramCache]: Analyzing trace with hash 418414377, now seen corresponding path program 1 times [2024-11-20 06:21:37,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:21:37,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080686136] [2024-11-20 06:21:37,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:21:37,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:21:37,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:37,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:21:37,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:37,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:21:37,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:37,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:21:37,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:37,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:21:37,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:37,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:21:37,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:37,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:21:37,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:37,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:21:37,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:37,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:21:37,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:37,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:21:37,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:37,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:21:37,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:37,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:21:37,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:37,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:21:37,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:37,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 06:21:37,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:37,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 06:21:37,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:37,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 06:21:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:37,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 06:21:37,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:37,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 06:21:37,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:37,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 06:21:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:37,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 06:21:37,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:37,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 06:21:37,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:37,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 06:21:37,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:37,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 06:21:37,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:37,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:21:37,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:37,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 06:21:37,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:37,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:21:37,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:37,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 06:21:37,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:37,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:21:37,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:37,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 06:21:37,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:37,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:21:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:37,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 06:21:37,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:37,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 06:21:37,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:37,875 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 06:21:37,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:21:37,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080686136] [2024-11-20 06:21:37,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080686136] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:21:37,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:21:37,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 06:21:37,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132641449] [2024-11-20 06:21:37,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:21:37,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 06:21:37,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:21:37,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 06:21:37,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 06:21:37,881 INFO L87 Difference]: Start difference. First operand 112 states and 173 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 06:21:38,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:21:38,191 INFO L93 Difference]: Finished difference Result 364 states and 565 transitions. [2024-11-20 06:21:38,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 06:21:38,191 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 204 [2024-11-20 06:21:38,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:21:38,197 INFO L225 Difference]: With dead ends: 364 [2024-11-20 06:21:38,197 INFO L226 Difference]: Without dead ends: 255 [2024-11-20 06:21:38,198 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-20 06:21:38,199 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 169 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 737 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 06:21:38,199 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 737 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 06:21:38,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-11-20 06:21:38,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 244. [2024-11-20 06:21:38,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 179 states have (on average 1.4022346368715084) internal successors, (251), 179 states have internal predecessors, (251), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-20 06:21:38,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 375 transitions. [2024-11-20 06:21:38,241 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 375 transitions. Word has length 204 [2024-11-20 06:21:38,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:21:38,243 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 375 transitions. [2024-11-20 06:21:38,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 06:21:38,243 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 375 transitions. [2024-11-20 06:21:38,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-11-20 06:21:38,249 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:21:38,249 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:21:38,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 06:21:38,249 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:21:38,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:21:38,250 INFO L85 PathProgramCache]: Analyzing trace with hash 180407095, now seen corresponding path program 1 times [2024-11-20 06:21:38,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:21:38,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137741189] [2024-11-20 06:21:38,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:21:38,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:21:38,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:38,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:21:38,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:38,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:21:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:38,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:21:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:38,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:21:38,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:38,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:21:38,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:38,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:21:38,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:38,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:21:38,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:38,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:21:38,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:38,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:21:38,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:38,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:21:38,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:38,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:21:38,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:38,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:21:38,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:38,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 06:21:38,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:38,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 06:21:38,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:38,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 06:21:38,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:38,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 06:21:38,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:38,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 06:21:38,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:38,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 06:21:38,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:38,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 06:21:38,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:38,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 06:21:38,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:38,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 06:21:38,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:38,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 06:21:38,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:38,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:21:38,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:38,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 06:21:38,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:38,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:21:38,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:38,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 06:21:38,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:38,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:21:38,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:38,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 06:21:38,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:38,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:21:38,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:38,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 06:21:38,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:38,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 06:21:38,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:38,948 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 06:21:38,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:21:38,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137741189] [2024-11-20 06:21:38,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137741189] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:21:38,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:21:38,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 06:21:38,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350215629] [2024-11-20 06:21:38,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:21:38,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 06:21:38,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:21:38,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 06:21:38,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-20 06:21:38,952 INFO L87 Difference]: Start difference. First operand 244 states and 375 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 06:21:39,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:21:39,446 INFO L93 Difference]: Finished difference Result 750 states and 1136 transitions. [2024-11-20 06:21:39,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 06:21:39,447 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 205 [2024-11-20 06:21:39,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:21:39,454 INFO L225 Difference]: With dead ends: 750 [2024-11-20 06:21:39,454 INFO L226 Difference]: Without dead ends: 509 [2024-11-20 06:21:39,455 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-20 06:21:39,457 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 143 mSDsluCounter, 732 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 939 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 06:21:39,459 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 939 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 06:21:39,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2024-11-20 06:21:39,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 421. [2024-11-20 06:21:39,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 342 states have (on average 1.4444444444444444) internal successors, (494), 344 states have internal predecessors, (494), 74 states have call successors, (74), 4 states have call predecessors, (74), 4 states have return successors, (74), 72 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-20 06:21:39,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 642 transitions. [2024-11-20 06:21:39,506 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 642 transitions. Word has length 205 [2024-11-20 06:21:39,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:21:39,507 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 642 transitions. [2024-11-20 06:21:39,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 06:21:39,507 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 642 transitions. [2024-11-20 06:21:39,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-11-20 06:21:39,510 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:21:39,510 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:21:39,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 06:21:39,510 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:21:39,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:21:39,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1813737611, now seen corresponding path program 1 times [2024-11-20 06:21:39,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:21:39,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211488388] [2024-11-20 06:21:39,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:21:39,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:21:39,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:40,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:21:40,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:40,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:21:40,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:40,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:21:40,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:40,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:21:40,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:40,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:21:40,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:40,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:21:40,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:40,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:21:40,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:40,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:21:40,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:40,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:21:40,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:40,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:21:40,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:40,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:21:40,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:40,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:21:40,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:40,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 06:21:40,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:40,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 06:21:40,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:40,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 06:21:40,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:40,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 06:21:40,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:40,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 06:21:40,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:40,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 06:21:40,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:40,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 06:21:40,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:40,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 06:21:40,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:40,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 06:21:40,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:40,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 06:21:40,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:40,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:21:40,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:40,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 06:21:40,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:40,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:21:40,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:40,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 06:21:40,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:40,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:21:40,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:40,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 06:21:40,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:40,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:21:40,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:40,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 06:21:40,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:40,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 06:21:40,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:40,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 06:21:40,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:21:40,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211488388] [2024-11-20 06:21:40,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211488388] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:21:40,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:21:40,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 06:21:40,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056270113] [2024-11-20 06:21:40,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:21:40,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 06:21:40,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:21:40,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 06:21:40,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-20 06:21:40,130 INFO L87 Difference]: Start difference. First operand 421 states and 642 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 06:21:40,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:21:40,563 INFO L93 Difference]: Finished difference Result 1200 states and 1805 transitions. [2024-11-20 06:21:40,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 06:21:40,563 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 205 [2024-11-20 06:21:40,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:21:40,571 INFO L225 Difference]: With dead ends: 1200 [2024-11-20 06:21:40,572 INFO L226 Difference]: Without dead ends: 782 [2024-11-20 06:21:40,575 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 66 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-20 06:21:40,575 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 155 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 06:21:40,576 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 598 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 06:21:40,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 782 states. [2024-11-20 06:21:40,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 668. [2024-11-20 06:21:40,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 668 states, 577 states have (on average 1.4714038128249567) internal successors, (849), 581 states have internal predecessors, (849), 82 states have call successors, (82), 8 states have call predecessors, (82), 8 states have return successors, (82), 78 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-20 06:21:40,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 1013 transitions. [2024-11-20 06:21:40,622 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 1013 transitions. Word has length 205 [2024-11-20 06:21:40,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:21:40,624 INFO L471 AbstractCegarLoop]: Abstraction has 668 states and 1013 transitions. [2024-11-20 06:21:40,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 06:21:40,624 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 1013 transitions. [2024-11-20 06:21:40,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-20 06:21:40,626 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:21:40,626 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:21:40,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 06:21:40,627 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:21:40,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:21:40,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1945098992, now seen corresponding path program 1 times [2024-11-20 06:21:40,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:21:40,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746375850] [2024-11-20 06:21:40,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:21:40,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:21:40,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:42,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:21:42,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:42,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:21:42,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:42,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:21:42,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:42,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:21:42,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:42,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:21:42,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:42,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:21:42,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:42,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:21:42,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:42,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:21:42,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:42,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:21:42,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:42,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:21:42,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:42,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:21:42,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:42,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:21:42,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:42,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 06:21:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:42,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 06:21:42,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:42,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 06:21:42,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:42,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 06:21:42,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:42,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 06:21:42,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:42,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 06:21:42,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:42,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 06:21:42,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:42,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 06:21:42,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:42,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 06:21:42,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:42,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 06:21:42,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:42,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:21:42,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:42,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 06:21:42,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:42,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:21:42,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:42,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 06:21:42,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:42,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:21:42,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:42,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 06:21:42,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:42,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:21:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:42,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 06:21:42,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:42,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 06:21:42,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:42,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 06:21:42,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:21:42,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746375850] [2024-11-20 06:21:42,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746375850] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:21:42,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:21:42,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 06:21:42,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721638094] [2024-11-20 06:21:42,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:21:42,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 06:21:42,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:21:42,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 06:21:42,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-20 06:21:42,408 INFO L87 Difference]: Start difference. First operand 668 states and 1013 transitions. Second operand has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 06:21:43,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:21:43,248 INFO L93 Difference]: Finished difference Result 2069 states and 3113 transitions. [2024-11-20 06:21:43,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 06:21:43,249 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 206 [2024-11-20 06:21:43,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:21:43,254 INFO L225 Difference]: With dead ends: 2069 [2024-11-20 06:21:43,254 INFO L226 Difference]: Without dead ends: 1404 [2024-11-20 06:21:43,256 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-20 06:21:43,256 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 316 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-20 06:21:43,257 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 628 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-20 06:21:43,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1404 states. [2024-11-20 06:21:43,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1404 to 796. [2024-11-20 06:21:43,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 796 states, 705 states have (on average 1.4822695035460993) internal successors, (1045), 709 states have internal predecessors, (1045), 82 states have call successors, (82), 8 states have call predecessors, (82), 8 states have return successors, (82), 78 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-20 06:21:43,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 796 states and 1209 transitions. [2024-11-20 06:21:43,299 INFO L78 Accepts]: Start accepts. Automaton has 796 states and 1209 transitions. Word has length 206 [2024-11-20 06:21:43,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:21:43,300 INFO L471 AbstractCegarLoop]: Abstraction has 796 states and 1209 transitions. [2024-11-20 06:21:43,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 06:21:43,300 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1209 transitions. [2024-11-20 06:21:43,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-20 06:21:43,302 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:21:43,302 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:21:43,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 06:21:43,302 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:21:43,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:21:43,303 INFO L85 PathProgramCache]: Analyzing trace with hash 665235314, now seen corresponding path program 1 times [2024-11-20 06:21:43,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:21:43,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606761429] [2024-11-20 06:21:43,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:21:43,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:21:43,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:44,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:21:44,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:44,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:21:44,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:44,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:21:44,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:44,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:21:44,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:44,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:21:44,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:44,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:21:44,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:44,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:21:44,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:44,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:21:44,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:44,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:21:44,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:44,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:21:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:44,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:21:44,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:44,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:21:44,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:44,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 06:21:44,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:44,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 06:21:44,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:44,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 06:21:44,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:44,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 06:21:44,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:44,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 06:21:44,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:44,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 06:21:44,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:44,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 06:21:44,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:44,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 06:21:44,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:44,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 06:21:44,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:44,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 06:21:44,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:44,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:21:44,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:44,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 06:21:44,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:44,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:21:44,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:44,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 06:21:44,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:44,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:21:44,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:44,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 06:21:44,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:44,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:21:44,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:44,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 06:21:44,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:44,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 06:21:44,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:44,544 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 06:21:44,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:21:44,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606761429] [2024-11-20 06:21:44,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606761429] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:21:44,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:21:44,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-20 06:21:44,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182088400] [2024-11-20 06:21:44,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:21:44,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 06:21:44,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:21:44,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 06:21:44,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-20 06:21:44,547 INFO L87 Difference]: Start difference. First operand 796 states and 1209 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 06:21:46,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:21:46,009 INFO L93 Difference]: Finished difference Result 2421 states and 3624 transitions. [2024-11-20 06:21:46,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 06:21:46,009 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 206 [2024-11-20 06:21:46,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:21:46,016 INFO L225 Difference]: With dead ends: 2421 [2024-11-20 06:21:46,016 INFO L226 Difference]: Without dead ends: 1628 [2024-11-20 06:21:46,018 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-20 06:21:46,019 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 343 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 675 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 775 SdHoareTripleChecker+Invalid, 686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-20 06:21:46,020 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 775 Invalid, 686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 675 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-20 06:21:46,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1628 states. [2024-11-20 06:21:46,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1628 to 888. [2024-11-20 06:21:46,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 888 states, 797 states have (on average 1.4905897114178168) internal successors, (1188), 801 states have internal predecessors, (1188), 82 states have call successors, (82), 8 states have call predecessors, (82), 8 states have return successors, (82), 78 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-20 06:21:46,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 888 states and 1352 transitions. [2024-11-20 06:21:46,066 INFO L78 Accepts]: Start accepts. Automaton has 888 states and 1352 transitions. Word has length 206 [2024-11-20 06:21:46,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:21:46,068 INFO L471 AbstractCegarLoop]: Abstraction has 888 states and 1352 transitions. [2024-11-20 06:21:46,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 06:21:46,068 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1352 transitions. [2024-11-20 06:21:46,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-20 06:21:46,071 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:21:46,071 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:21:46,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 06:21:46,071 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:21:46,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:21:46,072 INFO L85 PathProgramCache]: Analyzing trace with hash -526911056, now seen corresponding path program 1 times [2024-11-20 06:21:46,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:21:46,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15977852] [2024-11-20 06:21:46,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:21:46,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:21:46,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:47,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:21:47,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:47,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:21:47,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:47,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:21:47,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:47,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:21:47,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:47,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:21:47,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:47,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:21:47,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:47,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:21:47,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:47,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:21:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:47,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:21:47,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:47,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:21:47,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:47,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:21:47,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:47,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:21:47,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:47,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 06:21:47,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:47,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 06:21:47,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:47,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 06:21:47,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:47,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 06:21:47,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:47,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 06:21:47,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:47,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 06:21:47,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:47,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 06:21:47,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:47,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 06:21:47,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:47,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 06:21:47,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:47,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 06:21:47,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:47,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:21:47,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:47,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 06:21:47,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:47,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:21:47,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:47,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 06:21:47,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:47,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:21:47,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:47,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 06:21:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:47,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:21:47,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:47,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 06:21:47,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:47,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 06:21:47,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:47,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 06:21:47,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:21:47,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15977852] [2024-11-20 06:21:47,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15977852] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:21:47,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:21:47,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-20 06:21:47,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035286686] [2024-11-20 06:21:47,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:21:47,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 06:21:47,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:21:47,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 06:21:47,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-20 06:21:47,862 INFO L87 Difference]: Start difference. First operand 888 states and 1352 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 06:21:49,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:21:49,025 INFO L93 Difference]: Finished difference Result 2787 states and 4223 transitions. [2024-11-20 06:21:49,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 06:21:49,026 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 206 [2024-11-20 06:21:49,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:21:49,033 INFO L225 Difference]: With dead ends: 2787 [2024-11-20 06:21:49,033 INFO L226 Difference]: Without dead ends: 1902 [2024-11-20 06:21:49,036 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2024-11-20 06:21:49,037 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 299 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 756 SdHoareTripleChecker+Invalid, 572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-20 06:21:49,038 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 756 Invalid, 572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 565 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-20 06:21:49,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1902 states. [2024-11-20 06:21:49,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1902 to 1006. [2024-11-20 06:21:49,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1006 states, 915 states have (on average 1.5005464480874318) internal successors, (1373), 919 states have internal predecessors, (1373), 82 states have call successors, (82), 8 states have call predecessors, (82), 8 states have return successors, (82), 78 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-20 06:21:49,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 1006 states and 1537 transitions. [2024-11-20 06:21:49,079 INFO L78 Accepts]: Start accepts. Automaton has 1006 states and 1537 transitions. Word has length 206 [2024-11-20 06:21:49,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:21:49,080 INFO L471 AbstractCegarLoop]: Abstraction has 1006 states and 1537 transitions. [2024-11-20 06:21:49,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 06:21:49,080 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1537 transitions. [2024-11-20 06:21:49,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-20 06:21:49,082 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:21:49,082 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:21:49,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 06:21:49,082 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:21:49,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:21:49,082 INFO L85 PathProgramCache]: Analyzing trace with hash 2079112498, now seen corresponding path program 1 times [2024-11-20 06:21:49,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:21:49,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713922834] [2024-11-20 06:21:49,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:21:49,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:21:55,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:56,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:21:56,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:56,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:21:56,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:56,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:21:56,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:56,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:21:56,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:56,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:21:56,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:56,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:21:56,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:56,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:21:56,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:56,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:21:56,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:56,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:21:56,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:56,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:21:56,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:56,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:21:56,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:56,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:21:56,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:56,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 06:21:56,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:56,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 06:21:56,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:56,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 06:21:56,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:56,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 06:21:56,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:56,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 06:21:56,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:56,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 06:21:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:56,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 06:21:56,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:56,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 06:21:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:56,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 06:21:56,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:56,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 06:21:56,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:56,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:21:56,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:56,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 06:21:56,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:56,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:21:56,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:56,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 06:21:56,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:56,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:21:56,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:56,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 06:21:56,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:56,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:21:56,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:56,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 06:21:56,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:56,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 06:21:56,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:56,625 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 06:21:56,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:21:56,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713922834] [2024-11-20 06:21:56,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713922834] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:21:56,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:21:56,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-20 06:21:56,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673127734] [2024-11-20 06:21:56,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:21:56,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 06:21:56,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:21:56,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 06:21:56,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-20 06:21:56,628 INFO L87 Difference]: Start difference. First operand 1006 states and 1537 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 06:21:58,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:21:58,004 INFO L93 Difference]: Finished difference Result 2793 states and 4202 transitions. [2024-11-20 06:21:58,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 06:21:58,005 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 206 [2024-11-20 06:21:58,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:21:58,012 INFO L225 Difference]: With dead ends: 2793 [2024-11-20 06:21:58,012 INFO L226 Difference]: Without dead ends: 1790 [2024-11-20 06:21:58,015 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2024-11-20 06:21:58,016 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 428 mSDsluCounter, 732 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 871 SdHoareTripleChecker+Invalid, 574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-20 06:21:58,016 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [428 Valid, 871 Invalid, 574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 561 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-20 06:21:58,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1790 states. [2024-11-20 06:21:58,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1790 to 989. [2024-11-20 06:21:58,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 989 states, 898 states have (on average 1.5011135857461024) internal successors, (1348), 902 states have internal predecessors, (1348), 82 states have call successors, (82), 8 states have call predecessors, (82), 8 states have return successors, (82), 78 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-20 06:21:58,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 989 states and 1512 transitions. [2024-11-20 06:21:58,067 INFO L78 Accepts]: Start accepts. Automaton has 989 states and 1512 transitions. Word has length 206 [2024-11-20 06:21:58,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:21:58,067 INFO L471 AbstractCegarLoop]: Abstraction has 989 states and 1512 transitions. [2024-11-20 06:21:58,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 06:21:58,068 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1512 transitions. [2024-11-20 06:21:58,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-20 06:21:58,070 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:21:58,070 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:21:58,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 06:21:58,070 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:21:58,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:21:58,071 INFO L85 PathProgramCache]: Analyzing trace with hash -968980858, now seen corresponding path program 1 times [2024-11-20 06:21:58,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:21:58,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484261975] [2024-11-20 06:21:58,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:21:58,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:21:58,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:59,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:21:59,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:59,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:21:59,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:59,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:21:59,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:59,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:21:59,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:59,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:21:59,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:59,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:21:59,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:59,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:21:59,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:59,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:21:59,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:59,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:21:59,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:59,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:21:59,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:59,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:21:59,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:59,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:21:59,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:59,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 06:21:59,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:59,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 06:21:59,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:59,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 06:21:59,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:59,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 06:21:59,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:59,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 06:21:59,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:59,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 06:21:59,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:59,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 06:21:59,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:59,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 06:21:59,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:59,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 06:21:59,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:59,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 06:21:59,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:59,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:21:59,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:59,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 06:21:59,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:59,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:21:59,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:59,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 06:21:59,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:59,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:21:59,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:59,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 06:21:59,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:59,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:21:59,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:59,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 06:21:59,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:59,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 06:21:59,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:21:59,073 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 06:21:59,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:21:59,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484261975] [2024-11-20 06:21:59,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484261975] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:21:59,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:21:59,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 06:21:59,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760371882] [2024-11-20 06:21:59,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:21:59,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 06:21:59,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:21:59,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 06:21:59,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-20 06:21:59,075 INFO L87 Difference]: Start difference. First operand 989 states and 1512 transitions. Second operand has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 06:21:59,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:21:59,905 INFO L93 Difference]: Finished difference Result 2778 states and 4229 transitions. [2024-11-20 06:21:59,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 06:21:59,906 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 206 [2024-11-20 06:21:59,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:21:59,912 INFO L225 Difference]: With dead ends: 2778 [2024-11-20 06:21:59,912 INFO L226 Difference]: Without dead ends: 1792 [2024-11-20 06:21:59,915 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2024-11-20 06:21:59,916 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 354 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 06:21:59,916 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 562 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 06:21:59,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1792 states. [2024-11-20 06:21:59,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1792 to 1044. [2024-11-20 06:21:59,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1044 states, 953 states have (on average 1.5057712486883525) internal successors, (1435), 957 states have internal predecessors, (1435), 82 states have call successors, (82), 8 states have call predecessors, (82), 8 states have return successors, (82), 78 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-20 06:21:59,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 1599 transitions. [2024-11-20 06:21:59,955 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 1599 transitions. Word has length 206 [2024-11-20 06:21:59,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:21:59,955 INFO L471 AbstractCegarLoop]: Abstraction has 1044 states and 1599 transitions. [2024-11-20 06:21:59,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 06:21:59,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1599 transitions. [2024-11-20 06:21:59,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-20 06:21:59,957 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:21:59,957 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:21:59,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 06:21:59,958 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:21:59,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:21:59,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1952008314, now seen corresponding path program 1 times [2024-11-20 06:21:59,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:21:59,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090507621] [2024-11-20 06:21:59,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:21:59,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:21:59,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:22:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:22:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:22:00,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:22:00,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:22:00,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:22:00,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:22:00,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:22:00,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:22:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:22:00,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:22:00,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:22:00,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 06:22:00,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 06:22:00,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 06:22:00,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 06:22:00,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 06:22:00,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 06:22:00,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 06:22:00,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 06:22:00,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 06:22:00,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 06:22:00,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:22:00,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 06:22:00,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:22:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 06:22:00,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:22:00,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 06:22:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:22:00,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 06:22:00,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 06:22:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,064 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 06:22:00,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:22:00,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090507621] [2024-11-20 06:22:00,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090507621] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:22:00,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:22:00,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 06:22:00,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703435624] [2024-11-20 06:22:00,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:22:00,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 06:22:00,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:22:00,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 06:22:00,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 06:22:00,065 INFO L87 Difference]: Start difference. First operand 1044 states and 1599 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 06:22:00,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:22:00,168 INFO L93 Difference]: Finished difference Result 2594 states and 3960 transitions. [2024-11-20 06:22:00,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 06:22:00,169 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 206 [2024-11-20 06:22:00,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:22:00,176 INFO L225 Difference]: With dead ends: 2594 [2024-11-20 06:22:00,176 INFO L226 Difference]: Without dead ends: 1553 [2024-11-20 06:22:00,178 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 06:22:00,179 INFO L432 NwaCegarLoop]: 313 mSDtfsCounter, 147 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 06:22:00,179 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 456 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 06:22:00,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1553 states. [2024-11-20 06:22:00,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1553 to 1290. [2024-11-20 06:22:00,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1290 states, 1199 states have (on average 1.5187656380316932) internal successors, (1821), 1203 states have internal predecessors, (1821), 82 states have call successors, (82), 8 states have call predecessors, (82), 8 states have return successors, (82), 78 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-20 06:22:00,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 1290 states and 1985 transitions. [2024-11-20 06:22:00,227 INFO L78 Accepts]: Start accepts. Automaton has 1290 states and 1985 transitions. Word has length 206 [2024-11-20 06:22:00,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:22:00,229 INFO L471 AbstractCegarLoop]: Abstraction has 1290 states and 1985 transitions. [2024-11-20 06:22:00,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 06:22:00,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1290 states and 1985 transitions. [2024-11-20 06:22:00,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-11-20 06:22:00,231 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:22:00,232 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:22:00,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 06:22:00,232 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:22:00,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:22:00,232 INFO L85 PathProgramCache]: Analyzing trace with hash 555422362, now seen corresponding path program 1 times [2024-11-20 06:22:00,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:22:00,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106094016] [2024-11-20 06:22:00,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:22:00,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:22:00,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:22:00,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:22:00,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:22:00,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:22:00,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:22:00,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:22:00,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:22:00,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:22:00,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:22:00,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:22:00,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:22:00,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:22:00,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 06:22:00,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 06:22:00,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 06:22:00,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 06:22:00,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 06:22:00,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 06:22:00,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 06:22:00,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 06:22:00,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 06:22:00,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 06:22:00,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:22:00,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 06:22:00,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:22:00,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 06:22:00,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:22:00,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 06:22:00,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:22:00,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 06:22:00,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 06:22:00,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 06:22:00,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:22:00,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106094016] [2024-11-20 06:22:00,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106094016] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:22:00,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:22:00,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 06:22:00,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690950294] [2024-11-20 06:22:00,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:22:00,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 06:22:00,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:22:00,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 06:22:00,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 06:22:00,387 INFO L87 Difference]: Start difference. First operand 1290 states and 1985 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 06:22:00,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:22:00,424 INFO L93 Difference]: Finished difference Result 2577 states and 3967 transitions. [2024-11-20 06:22:00,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 06:22:00,425 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 207 [2024-11-20 06:22:00,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:22:00,449 INFO L225 Difference]: With dead ends: 2577 [2024-11-20 06:22:00,449 INFO L226 Difference]: Without dead ends: 1290 [2024-11-20 06:22:00,451 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 06:22:00,451 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 0 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 06:22:00,452 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 507 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 06:22:00,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1290 states. [2024-11-20 06:22:00,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1290 to 1290. [2024-11-20 06:22:00,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1290 states, 1199 states have (on average 1.5162635529608006) internal successors, (1818), 1203 states have internal predecessors, (1818), 82 states have call successors, (82), 8 states have call predecessors, (82), 8 states have return successors, (82), 78 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-20 06:22:00,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 1290 states and 1982 transitions. [2024-11-20 06:22:00,485 INFO L78 Accepts]: Start accepts. Automaton has 1290 states and 1982 transitions. Word has length 207 [2024-11-20 06:22:00,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:22:00,485 INFO L471 AbstractCegarLoop]: Abstraction has 1290 states and 1982 transitions. [2024-11-20 06:22:00,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 06:22:00,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1290 states and 1982 transitions. [2024-11-20 06:22:00,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-11-20 06:22:00,487 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:22:00,487 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:22:00,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 06:22:00,487 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:22:00,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:22:00,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1934106600, now seen corresponding path program 1 times [2024-11-20 06:22:00,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:22:00,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479154784] [2024-11-20 06:22:00,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:22:00,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:22:00,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:22:00,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:22:00,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:22:00,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:22:00,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:22:00,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:22:00,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:22:00,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:22:00,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:22:00,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:22:00,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:22:00,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:22:00,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 06:22:00,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 06:22:00,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 06:22:00,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 06:22:00,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 06:22:00,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 06:22:00,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 06:22:00,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 06:22:00,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 06:22:00,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 06:22:00,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:22:00,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 06:22:00,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:22:00,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 06:22:00,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:22:00,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 06:22:00,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:22:00,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 06:22:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 06:22:00,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:00,655 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 06:22:00,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:22:00,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479154784] [2024-11-20 06:22:00,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479154784] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:22:00,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:22:00,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 06:22:00,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406425018] [2024-11-20 06:22:00,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:22:00,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 06:22:00,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:22:00,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 06:22:00,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 06:22:00,657 INFO L87 Difference]: Start difference. First operand 1290 states and 1982 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 06:22:00,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:22:00,946 INFO L93 Difference]: Finished difference Result 3047 states and 4663 transitions. [2024-11-20 06:22:00,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 06:22:00,947 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 207 [2024-11-20 06:22:00,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:22:00,953 INFO L225 Difference]: With dead ends: 3047 [2024-11-20 06:22:00,953 INFO L226 Difference]: Without dead ends: 1760 [2024-11-20 06:22:00,956 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 06:22:00,958 INFO L432 NwaCegarLoop]: 308 mSDtfsCounter, 151 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 655 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 06:22:00,958 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 655 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 06:22:00,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1760 states. [2024-11-20 06:22:01,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1760 to 1296. [2024-11-20 06:22:01,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1296 states, 1205 states have (on average 1.5103734439834025) internal successors, (1820), 1209 states have internal predecessors, (1820), 82 states have call successors, (82), 8 states have call predecessors, (82), 8 states have return successors, (82), 78 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-20 06:22:01,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 1296 states and 1984 transitions. [2024-11-20 06:22:01,008 INFO L78 Accepts]: Start accepts. Automaton has 1296 states and 1984 transitions. Word has length 207 [2024-11-20 06:22:01,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:22:01,008 INFO L471 AbstractCegarLoop]: Abstraction has 1296 states and 1984 transitions. [2024-11-20 06:22:01,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 06:22:01,009 INFO L276 IsEmpty]: Start isEmpty. Operand 1296 states and 1984 transitions. [2024-11-20 06:22:01,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-20 06:22:01,010 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:22:01,010 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:22:01,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-20 06:22:01,010 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:22:01,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:22:01,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1388155403, now seen corresponding path program 1 times [2024-11-20 06:22:01,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:22:01,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189092684] [2024-11-20 06:22:01,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:22:01,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:22:01,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:01,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:22:01,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:01,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:22:01,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:01,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:22:01,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:01,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:22:01,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:01,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:22:01,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:01,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:22:01,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:01,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:22:01,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:01,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:22:01,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:01,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:22:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:01,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:22:01,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:01,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:22:01,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:01,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:22:01,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:01,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 06:22:01,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:01,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 06:22:01,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:01,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 06:22:01,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:01,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 06:22:01,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:01,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 06:22:01,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:01,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 06:22:01,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:01,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 06:22:01,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:01,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 06:22:01,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:01,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 06:22:01,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:01,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 06:22:01,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:01,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:22:01,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:01,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 06:22:01,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:01,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:22:01,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:01,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 06:22:01,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:01,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:22:01,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:01,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 06:22:01,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:01,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:22:01,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:01,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 06:22:01,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:01,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 06:22:01,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:01,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 30 proven. 60 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-11-20 06:22:01,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:22:01,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189092684] [2024-11-20 06:22:01,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189092684] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 06:22:01,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2109276327] [2024-11-20 06:22:01,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:22:01,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 06:22:01,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 06:22:01,376 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) [2024-11-20 06:22:01,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 06:22:01,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:01,503 INFO L255 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-20 06:22:01,517 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 06:22:02,288 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 872 proven. 114 refuted. 0 times theorem prover too weak. 874 trivial. 0 not checked. [2024-11-20 06:22:02,289 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 06:22:02,657 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 30 proven. 60 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-11-20 06:22:02,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2109276327] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 06:22:02,658 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 06:22:02,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10, 7] total 15 [2024-11-20 06:22:02,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979880098] [2024-11-20 06:22:02,658 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 06:22:02,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-20 06:22:02,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:22:02,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-20 06:22:02,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-11-20 06:22:02,660 INFO L87 Difference]: Start difference. First operand 1296 states and 1984 transitions. Second operand has 15 states, 15 states have (on average 9.133333333333333) internal successors, (137), 15 states have internal predecessors, (137), 4 states have call successors, (71), 3 states have call predecessors, (71), 5 states have return successors, (72), 4 states have call predecessors, (72), 4 states have call successors, (72) [2024-11-20 06:22:03,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:22:03,425 INFO L93 Difference]: Finished difference Result 2188 states and 3310 transitions. [2024-11-20 06:22:03,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-20 06:22:03,426 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 9.133333333333333) internal successors, (137), 15 states have internal predecessors, (137), 4 states have call successors, (71), 3 states have call predecessors, (71), 5 states have return successors, (72), 4 states have call predecessors, (72), 4 states have call successors, (72) Word has length 208 [2024-11-20 06:22:03,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:22:03,430 INFO L225 Difference]: With dead ends: 2188 [2024-11-20 06:22:03,430 INFO L226 Difference]: Without dead ends: 895 [2024-11-20 06:22:03,433 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 496 GetRequests, 471 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=202, Invalid=500, Unknown=0, NotChecked=0, Total=702 [2024-11-20 06:22:03,433 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 302 mSDsluCounter, 740 mSDsCounter, 0 mSdLazyCounter, 758 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 880 SdHoareTripleChecker+Invalid, 906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 06:22:03,433 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 880 Invalid, 906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 758 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 06:22:03,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2024-11-20 06:22:03,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 840. [2024-11-20 06:22:03,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 840 states, 743 states have (on average 1.442799461641992) internal successors, (1072), 747 states have internal predecessors, (1072), 82 states have call successors, (82), 14 states have call predecessors, (82), 14 states have return successors, (82), 78 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-20 06:22:03,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 840 states and 1236 transitions. [2024-11-20 06:22:03,473 INFO L78 Accepts]: Start accepts. Automaton has 840 states and 1236 transitions. Word has length 208 [2024-11-20 06:22:03,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:22:03,474 INFO L471 AbstractCegarLoop]: Abstraction has 840 states and 1236 transitions. [2024-11-20 06:22:03,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.133333333333333) internal successors, (137), 15 states have internal predecessors, (137), 4 states have call successors, (71), 3 states have call predecessors, (71), 5 states have return successors, (72), 4 states have call predecessors, (72), 4 states have call successors, (72) [2024-11-20 06:22:03,474 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1236 transitions. [2024-11-20 06:22:03,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-20 06:22:03,475 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:22:03,475 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:22:03,485 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-20 06:22:03,676 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,SelfDestructingSolverStorable12 [2024-11-20 06:22:03,677 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:22:03,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:22:03,678 INFO L85 PathProgramCache]: Analyzing trace with hash 2056749776, now seen corresponding path program 1 times [2024-11-20 06:22:03,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:22:03,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285060027] [2024-11-20 06:22:03,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:22:03,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:22:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:07,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:22:07,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:07,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:22:07,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:07,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:22:07,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:07,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:22:07,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:07,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:22:07,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:07,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:22:07,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:07,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:22:07,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:07,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:22:07,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:07,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:22:07,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:07,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:22:07,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:07,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:22:07,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:07,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:22:07,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:07,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 06:22:07,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:07,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 06:22:07,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:07,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 06:22:07,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:07,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 06:22:07,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:07,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 06:22:07,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:07,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 06:22:07,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:07,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 06:22:07,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:07,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 06:22:07,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:07,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 06:22:07,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:07,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 06:22:07,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:07,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:22:07,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:07,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 06:22:07,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:07,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:22:07,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:07,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 06:22:07,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:07,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:22:07,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:07,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 06:22:07,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:07,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:22:07,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:07,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 06:22:07,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:07,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 06:22:07,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:07,509 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 06:22:07,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:22:07,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285060027] [2024-11-20 06:22:07,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285060027] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:22:07,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:22:07,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-20 06:22:07,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158960376] [2024-11-20 06:22:07,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:22:07,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 06:22:07,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:22:07,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 06:22:07,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-20 06:22:07,511 INFO L87 Difference]: Start difference. First operand 840 states and 1236 transitions. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 06:22:09,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:22:09,419 INFO L93 Difference]: Finished difference Result 2489 states and 3597 transitions. [2024-11-20 06:22:09,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 06:22:09,420 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 208 [2024-11-20 06:22:09,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:22:09,426 INFO L225 Difference]: With dead ends: 2489 [2024-11-20 06:22:09,426 INFO L226 Difference]: Without dead ends: 1652 [2024-11-20 06:22:09,429 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 69 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2024-11-20 06:22:09,429 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 346 mSDsluCounter, 536 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 688 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-20 06:22:09,429 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 688 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-20 06:22:09,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1652 states. [2024-11-20 06:22:09,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1652 to 865. [2024-11-20 06:22:09,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 865 states, 768 states have (on average 1.4518229166666667) internal successors, (1115), 772 states have internal predecessors, (1115), 82 states have call successors, (82), 14 states have call predecessors, (82), 14 states have return successors, (82), 78 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-20 06:22:09,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 865 states and 1279 transitions. [2024-11-20 06:22:09,474 INFO L78 Accepts]: Start accepts. Automaton has 865 states and 1279 transitions. Word has length 208 [2024-11-20 06:22:09,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:22:09,474 INFO L471 AbstractCegarLoop]: Abstraction has 865 states and 1279 transitions. [2024-11-20 06:22:09,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 06:22:09,475 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1279 transitions. [2024-11-20 06:22:09,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-20 06:22:09,476 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:22:09,476 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:22:09,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-20 06:22:09,477 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:22:09,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:22:09,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1045632526, now seen corresponding path program 1 times [2024-11-20 06:22:09,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:22:09,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206116556] [2024-11-20 06:22:09,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:22:09,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:22:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:11,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:22:11,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:11,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:22:11,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:11,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:22:11,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:11,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:22:11,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:11,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:22:11,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:11,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:22:11,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:11,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:22:11,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:11,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:22:11,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:11,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:22:11,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:11,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:22:11,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:11,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:22:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:11,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:22:11,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:11,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 06:22:11,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:11,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 06:22:11,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:11,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 06:22:11,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:11,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 06:22:11,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:11,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 06:22:11,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:11,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 06:22:11,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:11,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 06:22:11,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:11,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 06:22:11,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:11,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 06:22:11,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:11,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 06:22:11,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:11,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:22:11,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:11,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 06:22:11,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:11,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:22:11,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:11,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 06:22:11,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:11,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:22:11,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:11,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 06:22:11,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:11,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:22:11,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:11,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 06:22:11,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:11,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 06:22:11,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:11,485 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 06:22:11,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:22:11,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206116556] [2024-11-20 06:22:11,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206116556] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:22:11,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:22:11,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-20 06:22:11,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5545954] [2024-11-20 06:22:11,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:22:11,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 06:22:11,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:22:11,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 06:22:11,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-20 06:22:11,487 INFO L87 Difference]: Start difference. First operand 865 states and 1279 transitions. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 06:22:13,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:22:13,447 INFO L93 Difference]: Finished difference Result 2500 states and 3639 transitions. [2024-11-20 06:22:13,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 06:22:13,447 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 208 [2024-11-20 06:22:13,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:22:13,453 INFO L225 Difference]: With dead ends: 2500 [2024-11-20 06:22:13,454 INFO L226 Difference]: Without dead ends: 1638 [2024-11-20 06:22:13,458 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=93, Invalid=147, Unknown=0, NotChecked=0, Total=240 [2024-11-20 06:22:13,458 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 330 mSDsluCounter, 654 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 835 SdHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-20 06:22:13,459 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 835 Invalid, 675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-20 06:22:13,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1638 states. [2024-11-20 06:22:13,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1638 to 865. [2024-11-20 06:22:13,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 865 states, 768 states have (on average 1.4518229166666667) internal successors, (1115), 772 states have internal predecessors, (1115), 82 states have call successors, (82), 14 states have call predecessors, (82), 14 states have return successors, (82), 78 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-20 06:22:13,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 865 states and 1279 transitions. [2024-11-20 06:22:13,510 INFO L78 Accepts]: Start accepts. Automaton has 865 states and 1279 transitions. Word has length 208 [2024-11-20 06:22:13,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:22:13,510 INFO L471 AbstractCegarLoop]: Abstraction has 865 states and 1279 transitions. [2024-11-20 06:22:13,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 06:22:13,510 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1279 transitions. [2024-11-20 06:22:13,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-20 06:22:13,511 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:22:13,511 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:22:13,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-20 06:22:13,512 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:22:13,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:22:13,512 INFO L85 PathProgramCache]: Analyzing trace with hash 24564172, now seen corresponding path program 1 times [2024-11-20 06:22:13,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:22:13,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354217601] [2024-11-20 06:22:13,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:22:13,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:22:13,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:14,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:22:14,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:14,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:22:14,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:14,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:22:14,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:14,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:22:14,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:14,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:22:14,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:14,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:22:14,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:14,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:22:14,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:14,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:22:14,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:14,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:22:14,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:14,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:22:14,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:14,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:22:14,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:14,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:22:14,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:14,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 06:22:14,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:14,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 06:22:14,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:14,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 06:22:14,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:14,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 06:22:14,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:14,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 06:22:14,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:14,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 06:22:14,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:14,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 06:22:14,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:14,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 06:22:14,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:14,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 06:22:14,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:14,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 06:22:14,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:14,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:22:14,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:14,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 06:22:14,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:14,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:22:14,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:14,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 06:22:14,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:14,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:22:14,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:14,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 06:22:14,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:14,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:22:14,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:14,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 06:22:14,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:14,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 06:22:14,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:14,505 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 06:22:14,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:22:14,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354217601] [2024-11-20 06:22:14,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354217601] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:22:14,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:22:14,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 06:22:14,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424876268] [2024-11-20 06:22:14,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:22:14,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 06:22:14,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:22:14,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 06:22:14,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-20 06:22:14,507 INFO L87 Difference]: Start difference. First operand 865 states and 1279 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-20 06:22:15,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:22:15,739 INFO L93 Difference]: Finished difference Result 3307 states and 4789 transitions. [2024-11-20 06:22:15,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 06:22:15,739 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 208 [2024-11-20 06:22:15,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:22:15,751 INFO L225 Difference]: With dead ends: 3307 [2024-11-20 06:22:15,751 INFO L226 Difference]: Without dead ends: 2445 [2024-11-20 06:22:15,754 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 70 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2024-11-20 06:22:15,754 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 590 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 742 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 590 SdHoareTripleChecker+Valid, 950 SdHoareTripleChecker+Invalid, 805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-20 06:22:15,755 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [590 Valid, 950 Invalid, 805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 742 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-20 06:22:15,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2445 states. [2024-11-20 06:22:15,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2445 to 1699. [2024-11-20 06:22:15,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1699 states, 1506 states have (on average 1.4375830013280213) internal successors, (2165), 1514 states have internal predecessors, (2165), 164 states have call successors, (164), 28 states have call predecessors, (164), 28 states have return successors, (164), 156 states have call predecessors, (164), 164 states have call successors, (164) [2024-11-20 06:22:15,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1699 states to 1699 states and 2493 transitions. [2024-11-20 06:22:15,855 INFO L78 Accepts]: Start accepts. Automaton has 1699 states and 2493 transitions. Word has length 208 [2024-11-20 06:22:15,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:22:15,856 INFO L471 AbstractCegarLoop]: Abstraction has 1699 states and 2493 transitions. [2024-11-20 06:22:15,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-20 06:22:15,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1699 states and 2493 transitions. [2024-11-20 06:22:15,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-20 06:22:15,858 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:22:15,858 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:22:15,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-20 06:22:15,858 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:22:15,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:22:15,858 INFO L85 PathProgramCache]: Analyzing trace with hash 22728713, now seen corresponding path program 1 times [2024-11-20 06:22:15,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:22:15,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963734900] [2024-11-20 06:22:15,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:22:15,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:22:15,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:16,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:22:16,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:16,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:22:16,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:16,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:22:16,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:16,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:22:16,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:16,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:22:16,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:16,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:22:16,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:16,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:22:16,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:16,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:22:16,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:16,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:22:16,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:16,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:22:16,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:16,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:22:16,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:16,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:22:16,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:16,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 06:22:16,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:16,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 06:22:16,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:16,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 06:22:16,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:16,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 06:22:16,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:16,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 06:22:16,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:16,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 06:22:16,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:16,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 06:22:16,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:16,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 06:22:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:16,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 06:22:16,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:16,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 06:22:16,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:16,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:22:16,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:16,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 06:22:16,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:16,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:22:16,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:16,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 06:22:16,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:16,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:22:16,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:16,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 06:22:16,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:16,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:22:16,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:16,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 06:22:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:16,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 06:22:16,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:16,693 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 06:22:16,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:22:16,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963734900] [2024-11-20 06:22:16,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963734900] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:22:16,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:22:16,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 06:22:16,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458770232] [2024-11-20 06:22:16,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:22:16,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 06:22:16,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:22:16,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 06:22:16,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-20 06:22:16,694 INFO L87 Difference]: Start difference. First operand 1699 states and 2493 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 06:22:17,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:22:17,521 INFO L93 Difference]: Finished difference Result 4408 states and 6442 transitions. [2024-11-20 06:22:17,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 06:22:17,522 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 208 [2024-11-20 06:22:17,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:22:17,534 INFO L225 Difference]: With dead ends: 4408 [2024-11-20 06:22:17,534 INFO L226 Difference]: Without dead ends: 2712 [2024-11-20 06:22:17,538 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-11-20 06:22:17,538 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 234 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 06:22:17,538 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 571 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 06:22:17,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2712 states. [2024-11-20 06:22:17,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2712 to 1797. [2024-11-20 06:22:17,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1797 states, 1604 states have (on average 1.4457605985037407) internal successors, (2319), 1612 states have internal predecessors, (2319), 164 states have call successors, (164), 28 states have call predecessors, (164), 28 states have return successors, (164), 156 states have call predecessors, (164), 164 states have call successors, (164) [2024-11-20 06:22:17,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1797 states to 1797 states and 2647 transitions. [2024-11-20 06:22:17,645 INFO L78 Accepts]: Start accepts. Automaton has 1797 states and 2647 transitions. Word has length 208 [2024-11-20 06:22:17,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:22:17,645 INFO L471 AbstractCegarLoop]: Abstraction has 1797 states and 2647 transitions. [2024-11-20 06:22:17,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 06:22:17,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1797 states and 2647 transitions. [2024-11-20 06:22:17,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-20 06:22:17,647 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:22:17,647 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:22:17,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-20 06:22:17,647 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:22:17,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:22:17,648 INFO L85 PathProgramCache]: Analyzing trace with hash -960298743, now seen corresponding path program 1 times [2024-11-20 06:22:17,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:22:17,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546813281] [2024-11-20 06:22:17,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:22:17,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:22:17,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:19,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:22:19,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:19,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:22:19,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:19,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:22:19,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:19,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:22:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:19,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:22:19,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:19,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:22:19,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:19,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:22:19,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:19,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:22:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:19,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:22:19,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:19,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:22:19,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:19,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:22:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:19,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:22:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:19,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 06:22:19,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:19,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 06:22:19,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:19,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 06:22:19,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:19,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 06:22:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:19,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 06:22:19,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:19,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 06:22:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:19,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 06:22:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:19,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 06:22:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:19,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 06:22:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:19,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 06:22:19,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:19,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:22:19,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:19,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 06:22:19,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:19,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:22:19,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:19,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 06:22:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:19,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:22:19,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:19,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 06:22:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:19,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:22:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:19,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 06:22:19,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:19,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 06:22:19,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:19,079 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 06:22:19,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:22:19,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546813281] [2024-11-20 06:22:19,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546813281] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:22:19,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:22:19,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-20 06:22:19,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525990845] [2024-11-20 06:22:19,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:22:19,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 06:22:19,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:22:19,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 06:22:19,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-20 06:22:19,082 INFO L87 Difference]: Start difference. First operand 1797 states and 2647 transitions. Second operand has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 06:22:21,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:22:21,037 INFO L93 Difference]: Finished difference Result 3185 states and 4637 transitions. [2024-11-20 06:22:21,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 06:22:21,045 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 208 [2024-11-20 06:22:21,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:22:21,061 INFO L225 Difference]: With dead ends: 3185 [2024-11-20 06:22:21,065 INFO L226 Difference]: Without dead ends: 2685 [2024-11-20 06:22:21,067 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 72 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2024-11-20 06:22:21,068 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 503 mSDsluCounter, 1108 mSDsCounter, 0 mSdLazyCounter, 1034 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 503 SdHoareTripleChecker+Valid, 1326 SdHoareTripleChecker+Invalid, 1091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 1034 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-20 06:22:21,068 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [503 Valid, 1326 Invalid, 1091 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 1034 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-20 06:22:21,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2685 states. [2024-11-20 06:22:21,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2685 to 1817. [2024-11-20 06:22:21,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1817 states, 1624 states have (on average 1.4458128078817734) internal successors, (2348), 1632 states have internal predecessors, (2348), 164 states have call successors, (164), 28 states have call predecessors, (164), 28 states have return successors, (164), 156 states have call predecessors, (164), 164 states have call successors, (164) [2024-11-20 06:22:21,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1817 states to 1817 states and 2676 transitions. [2024-11-20 06:22:21,214 INFO L78 Accepts]: Start accepts. Automaton has 1817 states and 2676 transitions. Word has length 208 [2024-11-20 06:22:21,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:22:21,215 INFO L471 AbstractCegarLoop]: Abstraction has 1817 states and 2676 transitions. [2024-11-20 06:22:21,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 06:22:21,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1817 states and 2676 transitions. [2024-11-20 06:22:21,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-20 06:22:21,216 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:22:21,217 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:22:21,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-20 06:22:21,217 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:22:21,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:22:21,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1971415993, now seen corresponding path program 1 times [2024-11-20 06:22:21,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:22:21,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582727534] [2024-11-20 06:22:21,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:22:21,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:22:21,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:22,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:22:22,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:22,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:22:22,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:22,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:22:22,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:22,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:22:22,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:22,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:22:22,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:22,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:22:22,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:22,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:22:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:22,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:22:22,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:22,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:22:22,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:22,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:22:22,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:22,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:22:22,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:22,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:22:22,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:22,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 06:22:22,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:22,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 06:22:22,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:22,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 06:22:22,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:22,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 06:22:22,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:22,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 06:22:22,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:22,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 06:22:22,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:22,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 06:22:22,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:22,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 06:22:22,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:22,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 06:22:22,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:22,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 06:22:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:22,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:22:22,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:22,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 06:22:22,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:22,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:22:22,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:22,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 06:22:22,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:22,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:22:22,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:22,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 06:22:22,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:22,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:22:22,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:22,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 06:22:22,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:22,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 06:22:22,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:22,205 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 06:22:22,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:22:22,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582727534] [2024-11-20 06:22:22,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582727534] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:22:22,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:22:22,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 06:22:22,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609231781] [2024-11-20 06:22:22,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:22:22,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 06:22:22,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:22:22,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 06:22:22,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-20 06:22:22,208 INFO L87 Difference]: Start difference. First operand 1817 states and 2676 transitions. Second operand has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 06:22:23,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:22:23,551 INFO L93 Difference]: Finished difference Result 4693 states and 6849 transitions. [2024-11-20 06:22:23,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 06:22:23,553 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 208 [2024-11-20 06:22:23,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:22:23,561 INFO L225 Difference]: With dead ends: 4693 [2024-11-20 06:22:23,561 INFO L226 Difference]: Without dead ends: 2879 [2024-11-20 06:22:23,565 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-20 06:22:23,566 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 210 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-20 06:22:23,566 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 782 Invalid, 562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-20 06:22:23,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2879 states. [2024-11-20 06:22:23,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2879 to 2038. [2024-11-20 06:22:23,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2038 states, 1845 states have (on average 1.4471544715447155) internal successors, (2670), 1853 states have internal predecessors, (2670), 164 states have call successors, (164), 28 states have call predecessors, (164), 28 states have return successors, (164), 156 states have call predecessors, (164), 164 states have call successors, (164) [2024-11-20 06:22:23,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2038 states to 2038 states and 2998 transitions. [2024-11-20 06:22:23,689 INFO L78 Accepts]: Start accepts. Automaton has 2038 states and 2998 transitions. Word has length 208 [2024-11-20 06:22:23,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:22:23,690 INFO L471 AbstractCegarLoop]: Abstraction has 2038 states and 2998 transitions. [2024-11-20 06:22:23,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 06:22:23,690 INFO L276 IsEmpty]: Start isEmpty. Operand 2038 states and 2998 transitions. [2024-11-20 06:22:23,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-20 06:22:23,692 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:22:23,692 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:22:23,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-20 06:22:23,692 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:22:23,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:22:23,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1400451765, now seen corresponding path program 1 times [2024-11-20 06:22:23,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:22:23,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614721965] [2024-11-20 06:22:23,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:22:23,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:22:23,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:23,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:22:23,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:23,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:22:23,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:23,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:22:23,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:23,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:22:23,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:23,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:22:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:23,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:22:23,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:23,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:22:23,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:23,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:22:23,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:23,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:22:23,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:23,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:22:23,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:23,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:22:23,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:23,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:22:23,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:23,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 06:22:23,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:23,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 06:22:23,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:23,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 06:22:23,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:23,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 06:22:23,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:23,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 06:22:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:23,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 06:22:23,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:23,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 06:22:23,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:23,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 06:22:23,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:23,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 06:22:23,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:23,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 06:22:23,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:23,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:22:23,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:23,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 06:22:23,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:23,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:22:23,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:23,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 06:22:23,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:23,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:22:23,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:23,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 06:22:23,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:23,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:22:23,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:23,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 06:22:23,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:23,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 06:22:23,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:23,999 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-11-20 06:22:24,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:22:24,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614721965] [2024-11-20 06:22:24,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614721965] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 06:22:24,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1448322402] [2024-11-20 06:22:24,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:22:24,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 06:22:24,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 06:22:24,003 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) [2024-11-20 06:22:24,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 06:22:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:24,120 INFO L255 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-20 06:22:24,125 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 06:22:24,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 482 proven. 150 refuted. 0 times theorem prover too weak. 1228 trivial. 0 not checked. [2024-11-20 06:22:24,559 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 06:22:24,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-11-20 06:22:24,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1448322402] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 06:22:24,737 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 06:22:24,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 6] total 14 [2024-11-20 06:22:24,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263377379] [2024-11-20 06:22:24,737 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 06:22:24,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-20 06:22:24,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:22:24,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-20 06:22:24,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-11-20 06:22:24,739 INFO L87 Difference]: Start difference. First operand 2038 states and 2998 transitions. Second operand has 14 states, 14 states have (on average 6.642857142857143) internal successors, (93), 13 states have internal predecessors, (93), 4 states have call successors, (57), 3 states have call predecessors, (57), 5 states have return successors, (59), 4 states have call predecessors, (59), 4 states have call successors, (59) [2024-11-20 06:22:25,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:22:25,704 INFO L93 Difference]: Finished difference Result 4506 states and 6456 transitions. [2024-11-20 06:22:25,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-20 06:22:25,705 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.642857142857143) internal successors, (93), 13 states have internal predecessors, (93), 4 states have call successors, (57), 3 states have call predecessors, (57), 5 states have return successors, (59), 4 states have call predecessors, (59), 4 states have call successors, (59) Word has length 209 [2024-11-20 06:22:25,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:22:25,717 INFO L225 Difference]: With dead ends: 4506 [2024-11-20 06:22:25,717 INFO L226 Difference]: Without dead ends: 2471 [2024-11-20 06:22:25,722 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 515 GetRequests, 476 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=427, Invalid=1055, Unknown=0, NotChecked=0, Total=1482 [2024-11-20 06:22:25,724 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 677 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 714 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 683 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 714 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 06:22:25,725 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [683 Valid, 645 Invalid, 902 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 714 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 06:22:25,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2471 states. [2024-11-20 06:22:25,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2471 to 1367. [2024-11-20 06:22:25,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1367 states, 1178 states have (on average 1.4125636672325976) internal successors, (1664), 1182 states have internal predecessors, (1664), 152 states have call successors, (152), 36 states have call predecessors, (152), 36 states have return successors, (152), 148 states have call predecessors, (152), 152 states have call successors, (152) [2024-11-20 06:22:25,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 1367 states and 1968 transitions. [2024-11-20 06:22:25,859 INFO L78 Accepts]: Start accepts. Automaton has 1367 states and 1968 transitions. Word has length 209 [2024-11-20 06:22:25,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:22:25,860 INFO L471 AbstractCegarLoop]: Abstraction has 1367 states and 1968 transitions. [2024-11-20 06:22:25,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.642857142857143) internal successors, (93), 13 states have internal predecessors, (93), 4 states have call successors, (57), 3 states have call predecessors, (57), 5 states have return successors, (59), 4 states have call predecessors, (59), 4 states have call successors, (59) [2024-11-20 06:22:25,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1367 states and 1968 transitions. [2024-11-20 06:22:25,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-20 06:22:25,861 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:22:25,861 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:22:25,869 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-20 06:22:26,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2024-11-20 06:22:26,062 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:22:26,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:22:26,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1606907795, now seen corresponding path program 1 times [2024-11-20 06:22:26,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:22:26,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339107056] [2024-11-20 06:22:26,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:22:26,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:22:26,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:27,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:22:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:27,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:22:27,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:27,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:22:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:27,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:22:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:27,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:22:27,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:27,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:22:27,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:27,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:22:27,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:27,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:22:27,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:27,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:22:27,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:27,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:22:27,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:27,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:22:27,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:27,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:22:27,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:27,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 06:22:27,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:27,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 06:22:27,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:27,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 06:22:27,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:27,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 06:22:27,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:27,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 06:22:27,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:27,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 06:22:27,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:27,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 06:22:27,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:27,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 06:22:27,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:27,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 06:22:27,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:27,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 06:22:27,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:27,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:22:27,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:27,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 06:22:27,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:27,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:22:27,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:27,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 06:22:27,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:27,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:22:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:27,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 06:22:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:27,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:22:27,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:27,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 06:22:27,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:27,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 06:22:27,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:27,895 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 06:22:27,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:22:27,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339107056] [2024-11-20 06:22:27,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339107056] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:22:27,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:22:27,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-20 06:22:27,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12990146] [2024-11-20 06:22:27,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:22:27,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-20 06:22:27,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:22:27,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-20 06:22:27,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-11-20 06:22:27,897 INFO L87 Difference]: Start difference. First operand 1367 states and 1968 transitions. Second operand has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 06:22:29,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:22:29,369 INFO L93 Difference]: Finished difference Result 3989 states and 5711 transitions. [2024-11-20 06:22:29,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-20 06:22:29,370 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 210 [2024-11-20 06:22:29,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:22:29,377 INFO L225 Difference]: With dead ends: 3989 [2024-11-20 06:22:29,377 INFO L226 Difference]: Without dead ends: 2802 [2024-11-20 06:22:29,379 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2024-11-20 06:22:29,380 INFO L432 NwaCegarLoop]: 182 mSDtfsCounter, 483 mSDsluCounter, 694 mSDsCounter, 0 mSdLazyCounter, 770 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 876 SdHoareTripleChecker+Invalid, 780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-20 06:22:29,380 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [483 Valid, 876 Invalid, 780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 770 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-20 06:22:29,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2802 states. [2024-11-20 06:22:29,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2802 to 1580. [2024-11-20 06:22:29,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1580 states, 1391 states have (on average 1.4248741912293315) internal successors, (1982), 1395 states have internal predecessors, (1982), 152 states have call successors, (152), 36 states have call predecessors, (152), 36 states have return successors, (152), 148 states have call predecessors, (152), 152 states have call successors, (152) [2024-11-20 06:22:29,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 1580 states and 2286 transitions. [2024-11-20 06:22:29,489 INFO L78 Accepts]: Start accepts. Automaton has 1580 states and 2286 transitions. Word has length 210 [2024-11-20 06:22:29,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:22:29,490 INFO L471 AbstractCegarLoop]: Abstraction has 1580 states and 2286 transitions. [2024-11-20 06:22:29,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 06:22:29,490 INFO L276 IsEmpty]: Start isEmpty. Operand 1580 states and 2286 transitions. [2024-11-20 06:22:29,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-20 06:22:29,491 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:22:29,491 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:22:29,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-20 06:22:29,491 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:22:29,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:22:29,492 INFO L85 PathProgramCache]: Analyzing trace with hash -425277809, now seen corresponding path program 1 times [2024-11-20 06:22:29,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:22:29,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111199453] [2024-11-20 06:22:29,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:22:29,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:22:29,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:29,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:22:29,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:29,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:22:29,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:29,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:22:29,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:29,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:22:29,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:29,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:22:29,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:29,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:22:29,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:29,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:22:29,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:29,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:22:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:29,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:22:29,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:29,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:22:29,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:29,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:22:29,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:29,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:22:29,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:29,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 06:22:29,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:29,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 06:22:29,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:29,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 06:22:29,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:29,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 06:22:29,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:29,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 06:22:29,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:29,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 06:22:29,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:29,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 06:22:29,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:29,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 06:22:29,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:29,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 06:22:29,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:29,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 06:22:29,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:29,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:22:29,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:29,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 06:22:29,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:29,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:22:29,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:29,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 06:22:29,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:29,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:22:29,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:29,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 06:22:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:29,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:22:29,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:29,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 06:22:29,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:29,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 06:22:29,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:29,783 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 06:22:29,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:22:29,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111199453] [2024-11-20 06:22:29,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111199453] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:22:29,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:22:29,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 06:22:29,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26183777] [2024-11-20 06:22:29,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:22:29,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 06:22:29,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:22:29,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 06:22:29,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 06:22:29,785 INFO L87 Difference]: Start difference. First operand 1580 states and 2286 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-20 06:22:30,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:22:30,294 INFO L93 Difference]: Finished difference Result 3945 states and 5717 transitions. [2024-11-20 06:22:30,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 06:22:30,296 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 210 [2024-11-20 06:22:30,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:22:30,301 INFO L225 Difference]: With dead ends: 3945 [2024-11-20 06:22:30,301 INFO L226 Difference]: Without dead ends: 2368 [2024-11-20 06:22:30,304 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-20 06:22:30,305 INFO L432 NwaCegarLoop]: 365 mSDtfsCounter, 323 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 856 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 06:22:30,305 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 856 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 06:22:30,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2368 states. [2024-11-20 06:22:30,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2368 to 1499. [2024-11-20 06:22:30,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1499 states, 1310 states have (on average 1.4099236641221373) internal successors, (1847), 1314 states have internal predecessors, (1847), 152 states have call successors, (152), 36 states have call predecessors, (152), 36 states have return successors, (152), 148 states have call predecessors, (152), 152 states have call successors, (152) [2024-11-20 06:22:30,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1499 states to 1499 states and 2151 transitions. [2024-11-20 06:22:30,418 INFO L78 Accepts]: Start accepts. Automaton has 1499 states and 2151 transitions. Word has length 210 [2024-11-20 06:22:30,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:22:30,418 INFO L471 AbstractCegarLoop]: Abstraction has 1499 states and 2151 transitions. [2024-11-20 06:22:30,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-20 06:22:30,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1499 states and 2151 transitions. [2024-11-20 06:22:30,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-20 06:22:30,419 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:22:30,419 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:22:30,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-20 06:22:30,420 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:22:30,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:22:30,420 INFO L85 PathProgramCache]: Analyzing trace with hash -82035947, now seen corresponding path program 1 times [2024-11-20 06:22:30,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:22:30,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493575334] [2024-11-20 06:22:30,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:22:30,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:22:30,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:32,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:22:32,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:32,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:22:32,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:32,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:22:32,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:32,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:22:32,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:32,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:22:32,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:32,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:22:32,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:32,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:22:32,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:32,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:22:32,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:32,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:22:32,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:32,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:22:32,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:32,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:22:32,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:32,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:22:32,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:32,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 06:22:32,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:32,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 06:22:32,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:32,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 06:22:32,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:32,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 06:22:32,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:32,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 06:22:32,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:32,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 06:22:32,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:32,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 06:22:32,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:32,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 06:22:32,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:32,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 06:22:32,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:32,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 06:22:32,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:32,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:22:32,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:32,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 06:22:32,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:32,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:22:32,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:32,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 06:22:32,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:32,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:22:32,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:32,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 06:22:32,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:32,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:22:32,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:32,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 06:22:32,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:32,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 06:22:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:32,729 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 06:22:32,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:22:32,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493575334] [2024-11-20 06:22:32,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493575334] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:22:32,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:22:32,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-20 06:22:32,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953871916] [2024-11-20 06:22:32,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:22:32,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-20 06:22:32,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:22:32,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-20 06:22:32,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2024-11-20 06:22:32,730 INFO L87 Difference]: Start difference. First operand 1499 states and 2151 transitions. Second operand has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 06:22:35,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:22:35,287 INFO L93 Difference]: Finished difference Result 3363 states and 4793 transitions. [2024-11-20 06:22:35,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 06:22:35,288 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 210 [2024-11-20 06:22:35,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:22:35,293 INFO L225 Difference]: With dead ends: 3363 [2024-11-20 06:22:35,293 INFO L226 Difference]: Without dead ends: 2055 [2024-11-20 06:22:35,295 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 67 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=124, Invalid=338, Unknown=0, NotChecked=0, Total=462 [2024-11-20 06:22:35,295 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 481 mSDsluCounter, 998 mSDsCounter, 0 mSdLazyCounter, 1195 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 481 SdHoareTripleChecker+Valid, 1204 SdHoareTripleChecker+Invalid, 1204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-20 06:22:35,296 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [481 Valid, 1204 Invalid, 1204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1195 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-20 06:22:35,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2055 states. [2024-11-20 06:22:35,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2055 to 1461. [2024-11-20 06:22:35,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1461 states, 1272 states have (on average 1.403301886792453) internal successors, (1785), 1276 states have internal predecessors, (1785), 152 states have call successors, (152), 36 states have call predecessors, (152), 36 states have return successors, (152), 148 states have call predecessors, (152), 152 states have call successors, (152) [2024-11-20 06:22:35,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1461 states and 2089 transitions. [2024-11-20 06:22:35,406 INFO L78 Accepts]: Start accepts. Automaton has 1461 states and 2089 transitions. Word has length 210 [2024-11-20 06:22:35,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:22:35,407 INFO L471 AbstractCegarLoop]: Abstraction has 1461 states and 2089 transitions. [2024-11-20 06:22:35,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 06:22:35,407 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 2089 transitions. [2024-11-20 06:22:35,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-20 06:22:35,408 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:22:35,408 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:22:35,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-20 06:22:35,408 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:22:35,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:22:35,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1093153197, now seen corresponding path program 1 times [2024-11-20 06:22:35,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:22:35,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055546933] [2024-11-20 06:22:35,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:22:35,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:22:35,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:37,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:22:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:37,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:22:37,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:37,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:22:37,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:37,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:22:37,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:37,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:22:37,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:37,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:22:37,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:37,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:22:37,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:37,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:22:37,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:37,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:22:37,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:37,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:22:37,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:37,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:22:37,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:37,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:22:37,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:37,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 06:22:37,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:37,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 06:22:37,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:37,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 06:22:37,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:37,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 06:22:37,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:37,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 06:22:37,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:37,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 06:22:37,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:37,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 06:22:37,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:37,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 06:22:37,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:37,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 06:22:37,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:37,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 06:22:37,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:37,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:22:37,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:37,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 06:22:37,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:37,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:22:37,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:37,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 06:22:37,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:37,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:22:37,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:37,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 06:22:37,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:37,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:22:37,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:37,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 06:22:37,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:37,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 06:22:37,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:37,560 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 06:22:37,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:22:37,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055546933] [2024-11-20 06:22:37,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055546933] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:22:37,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:22:37,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-20 06:22:37,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767773434] [2024-11-20 06:22:37,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:22:37,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-20 06:22:37,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:22:37,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-20 06:22:37,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2024-11-20 06:22:37,562 INFO L87 Difference]: Start difference. First operand 1461 states and 2089 transitions. Second operand has 14 states, 14 states have (on average 4.142857142857143) internal successors, (58), 14 states have internal predecessors, (58), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 06:22:40,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:22:40,142 INFO L93 Difference]: Finished difference Result 2609 states and 3702 transitions. [2024-11-20 06:22:40,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-20 06:22:40,143 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.142857142857143) internal successors, (58), 14 states have internal predecessors, (58), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 210 [2024-11-20 06:22:40,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:22:40,148 INFO L225 Difference]: With dead ends: 2609 [2024-11-20 06:22:40,148 INFO L226 Difference]: Without dead ends: 1872 [2024-11-20 06:22:40,150 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=159, Invalid=347, Unknown=0, NotChecked=0, Total=506 [2024-11-20 06:22:40,150 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 504 mSDsluCounter, 1070 mSDsCounter, 0 mSdLazyCounter, 951 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 504 SdHoareTripleChecker+Valid, 1255 SdHoareTripleChecker+Invalid, 960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 951 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-20 06:22:40,151 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [504 Valid, 1255 Invalid, 960 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 951 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-20 06:22:40,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1872 states. [2024-11-20 06:22:40,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1872 to 1453. [2024-11-20 06:22:40,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1264 states have (on average 1.4026898734177216) internal successors, (1773), 1268 states have internal predecessors, (1773), 152 states have call successors, (152), 36 states have call predecessors, (152), 36 states have return successors, (152), 148 states have call predecessors, (152), 152 states have call successors, (152) [2024-11-20 06:22:40,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2077 transitions. [2024-11-20 06:22:40,268 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2077 transitions. Word has length 210 [2024-11-20 06:22:40,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:22:40,268 INFO L471 AbstractCegarLoop]: Abstraction has 1453 states and 2077 transitions. [2024-11-20 06:22:40,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.142857142857143) internal successors, (58), 14 states have internal predecessors, (58), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 06:22:40,268 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2077 transitions. [2024-11-20 06:22:40,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-20 06:22:40,269 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:22:40,269 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:22:40,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-20 06:22:40,270 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:22:40,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:22:40,270 INFO L85 PathProgramCache]: Analyzing trace with hash 183952372, now seen corresponding path program 1 times [2024-11-20 06:22:40,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:22:40,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211303010] [2024-11-20 06:22:40,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:22:40,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:22:40,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:40,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:22:40,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:40,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:22:40,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:40,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:22:40,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:40,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:22:40,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:40,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:22:40,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:40,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:22:40,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:40,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:22:40,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:40,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:22:40,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:40,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:22:40,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:40,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:22:40,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:40,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:22:40,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:40,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:22:40,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:40,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 06:22:40,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:40,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 06:22:40,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:40,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 06:22:40,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:40,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 06:22:40,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:40,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 06:22:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:40,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 06:22:40,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:40,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 06:22:40,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:40,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 06:22:40,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:40,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 06:22:40,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:40,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 06:22:40,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:40,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:22:40,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:40,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 06:22:40,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:40,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:22:40,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:40,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 06:22:40,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:40,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:22:40,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:40,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 06:22:40,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:40,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:22:40,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:40,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 06:22:40,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:40,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 06:22:40,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:40,732 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 06:22:40,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:22:40,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211303010] [2024-11-20 06:22:40,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211303010] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:22:40,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:22:40,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 06:22:40,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337864383] [2024-11-20 06:22:40,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:22:40,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 06:22:40,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:22:40,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 06:22:40,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-20 06:22:40,734 INFO L87 Difference]: Start difference. First operand 1453 states and 2077 transitions. Second operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 06:22:41,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:22:41,696 INFO L93 Difference]: Finished difference Result 4682 states and 6623 transitions. [2024-11-20 06:22:41,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 06:22:41,697 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 212 [2024-11-20 06:22:41,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:22:41,706 INFO L225 Difference]: With dead ends: 4682 [2024-11-20 06:22:41,706 INFO L226 Difference]: Without dead ends: 3232 [2024-11-20 06:22:41,710 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2024-11-20 06:22:41,711 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 453 mSDsluCounter, 678 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 250 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 453 SdHoareTripleChecker+Valid, 869 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 250 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 06:22:41,711 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [453 Valid, 869 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [250 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 06:22:41,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3232 states. [2024-11-20 06:22:41,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3232 to 2266. [2024-11-20 06:22:41,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2266 states, 1983 states have (on average 1.40494200706001) internal successors, (2786), 1989 states have internal predecessors, (2786), 228 states have call successors, (228), 54 states have call predecessors, (228), 54 states have return successors, (228), 222 states have call predecessors, (228), 228 states have call successors, (228) [2024-11-20 06:22:41,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2266 states to 2266 states and 3242 transitions. [2024-11-20 06:22:41,902 INFO L78 Accepts]: Start accepts. Automaton has 2266 states and 3242 transitions. Word has length 212 [2024-11-20 06:22:41,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:22:41,903 INFO L471 AbstractCegarLoop]: Abstraction has 2266 states and 3242 transitions. [2024-11-20 06:22:41,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 06:22:41,906 INFO L276 IsEmpty]: Start isEmpty. Operand 2266 states and 3242 transitions. [2024-11-20 06:22:41,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-20 06:22:41,907 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:22:41,907 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:22:41,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-20 06:22:41,908 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:22:41,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:22:41,908 INFO L85 PathProgramCache]: Analyzing trace with hash 147170853, now seen corresponding path program 1 times [2024-11-20 06:22:41,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:22:41,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696615961] [2024-11-20 06:22:41,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:22:41,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:22:41,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:42,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:22:42,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:42,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:22:42,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:42,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:22:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:42,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:22:42,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:42,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:22:42,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:42,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:22:42,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:42,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:22:42,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:42,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:22:42,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:42,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:22:42,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:42,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:22:42,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:42,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:22:42,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:42,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:22:42,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:42,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 06:22:42,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:42,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 06:22:42,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:42,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 06:22:42,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:42,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 06:22:42,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:42,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 06:22:42,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:42,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 06:22:42,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:42,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 06:22:42,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:42,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 06:22:42,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:42,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 06:22:42,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:42,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 06:22:42,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:42,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:22:42,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:42,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 06:22:42,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:42,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:22:42,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:42,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 06:22:42,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:42,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:22:42,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:42,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 06:22:42,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:42,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:22:42,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:42,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 06:22:42,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:42,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 06:22:42,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:42,388 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 06:22:42,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:22:42,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696615961] [2024-11-20 06:22:42,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696615961] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:22:42,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:22:42,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 06:22:42,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890609378] [2024-11-20 06:22:42,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:22:42,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 06:22:42,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:22:42,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 06:22:42,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-20 06:22:42,390 INFO L87 Difference]: Start difference. First operand 2266 states and 3242 transitions. Second operand has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-20 06:22:43,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:22:43,484 INFO L93 Difference]: Finished difference Result 5051 states and 7138 transitions. [2024-11-20 06:22:43,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 06:22:43,485 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 212 [2024-11-20 06:22:43,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:22:43,492 INFO L225 Difference]: With dead ends: 5051 [2024-11-20 06:22:43,492 INFO L226 Difference]: Without dead ends: 2788 [2024-11-20 06:22:43,496 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 69 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-11-20 06:22:43,496 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 580 mSDsluCounter, 659 mSDsCounter, 0 mSdLazyCounter, 664 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 580 SdHoareTripleChecker+Valid, 851 SdHoareTripleChecker+Invalid, 734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-20 06:22:43,498 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [580 Valid, 851 Invalid, 734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 664 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-20 06:22:43,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2788 states. [2024-11-20 06:22:43,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2788 to 2334. [2024-11-20 06:22:43,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2334 states, 2051 states have (on average 1.400780107264749) internal successors, (2873), 2057 states have internal predecessors, (2873), 228 states have call successors, (228), 54 states have call predecessors, (228), 54 states have return successors, (228), 222 states have call predecessors, (228), 228 states have call successors, (228) [2024-11-20 06:22:43,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2334 states to 2334 states and 3329 transitions. [2024-11-20 06:22:43,706 INFO L78 Accepts]: Start accepts. Automaton has 2334 states and 3329 transitions. Word has length 212 [2024-11-20 06:22:43,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:22:43,706 INFO L471 AbstractCegarLoop]: Abstraction has 2334 states and 3329 transitions. [2024-11-20 06:22:43,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-20 06:22:43,707 INFO L276 IsEmpty]: Start isEmpty. Operand 2334 states and 3329 transitions. [2024-11-20 06:22:43,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-20 06:22:43,708 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:22:43,708 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:22:43,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-20 06:22:43,708 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:22:43,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:22:43,709 INFO L85 PathProgramCache]: Analyzing trace with hash 827229223, now seen corresponding path program 1 times [2024-11-20 06:22:43,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:22:43,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109571113] [2024-11-20 06:22:43,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:22:43,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:22:43,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:45,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:22:45,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:45,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:22:45,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:45,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:22:45,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:45,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:22:45,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:45,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:22:45,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:45,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:22:45,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:45,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:22:45,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:45,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:22:45,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:45,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:22:45,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:45,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:22:45,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:45,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:22:45,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:45,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:22:45,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:45,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 06:22:45,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:45,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 06:22:45,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:45,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 06:22:45,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:45,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 06:22:45,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:45,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 06:22:45,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:45,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 06:22:45,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:45,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 06:22:45,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:45,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 06:22:45,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:45,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 06:22:45,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:45,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 06:22:45,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:45,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:22:45,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:45,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 06:22:45,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:45,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:22:45,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:45,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 06:22:45,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:45,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:22:45,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:45,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 06:22:45,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:45,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:22:45,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:45,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 06:22:45,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:45,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 06:22:45,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:45,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 06:22:45,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:22:45,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109571113] [2024-11-20 06:22:45,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109571113] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:22:45,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:22:45,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-20 06:22:45,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111992694] [2024-11-20 06:22:45,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:22:45,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 06:22:45,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:22:45,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 06:22:45,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2024-11-20 06:22:45,230 INFO L87 Difference]: Start difference. First operand 2334 states and 3329 transitions. Second operand has 11 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 06:22:46,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:22:46,380 INFO L93 Difference]: Finished difference Result 5514 states and 7793 transitions. [2024-11-20 06:22:46,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 06:22:46,381 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 212 [2024-11-20 06:22:46,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:22:46,388 INFO L225 Difference]: With dead ends: 5514 [2024-11-20 06:22:46,388 INFO L226 Difference]: Without dead ends: 3183 [2024-11-20 06:22:46,392 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2024-11-20 06:22:46,393 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 447 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 719 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 738 SdHoareTripleChecker+Invalid, 725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-20 06:22:46,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [447 Valid, 738 Invalid, 725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 719 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-20 06:22:46,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3183 states. [2024-11-20 06:22:46,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3183 to 2293. [2024-11-20 06:22:46,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2293 states, 2010 states have (on average 1.4024875621890547) internal successors, (2819), 2016 states have internal predecessors, (2819), 228 states have call successors, (228), 54 states have call predecessors, (228), 54 states have return successors, (228), 222 states have call predecessors, (228), 228 states have call successors, (228) [2024-11-20 06:22:46,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2293 states to 2293 states and 3275 transitions. [2024-11-20 06:22:46,589 INFO L78 Accepts]: Start accepts. Automaton has 2293 states and 3275 transitions. Word has length 212 [2024-11-20 06:22:46,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:22:46,590 INFO L471 AbstractCegarLoop]: Abstraction has 2293 states and 3275 transitions. [2024-11-20 06:22:46,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 06:22:46,590 INFO L276 IsEmpty]: Start isEmpty. Operand 2293 states and 3275 transitions. [2024-11-20 06:22:46,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-20 06:22:46,591 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:22:46,591 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:22:46,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-20 06:22:46,591 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:22:46,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:22:46,592 INFO L85 PathProgramCache]: Analyzing trace with hash 606654198, now seen corresponding path program 1 times [2024-11-20 06:22:46,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:22:46,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782819373] [2024-11-20 06:22:46,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:22:46,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:22:46,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:47,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:22:47,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:47,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:22:47,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:47,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:22:47,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:47,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:22:47,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:47,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:22:47,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:47,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:22:47,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:47,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:22:47,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:47,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:22:47,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:47,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:22:47,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:47,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:22:47,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:47,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:22:47,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:47,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:22:47,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:47,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 06:22:47,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:47,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 06:22:47,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:47,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 06:22:47,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:47,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 06:22:47,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:47,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 06:22:47,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:47,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 06:22:47,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:47,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 06:22:47,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:47,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 06:22:47,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:47,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 06:22:47,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:47,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 06:22:47,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:47,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:22:47,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:47,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 06:22:47,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:47,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:22:47,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:47,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 06:22:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:47,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-20 06:22:47,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:47,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 06:22:47,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:47,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 06:22:47,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:47,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 06:22:47,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:47,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-20 06:22:47,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:47,205 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 06:22:47,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:22:47,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782819373] [2024-11-20 06:22:47,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782819373] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:22:47,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:22:47,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 06:22:47,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857776413] [2024-11-20 06:22:47,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:22:47,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 06:22:47,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:22:47,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 06:22:47,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-20 06:22:47,207 INFO L87 Difference]: Start difference. First operand 2293 states and 3275 transitions. Second operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 06:22:48,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:22:48,127 INFO L93 Difference]: Finished difference Result 4745 states and 6722 transitions. [2024-11-20 06:22:48,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 06:22:48,128 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 212 [2024-11-20 06:22:48,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:22:48,136 INFO L225 Difference]: With dead ends: 4745 [2024-11-20 06:22:48,136 INFO L226 Difference]: Without dead ends: 2455 [2024-11-20 06:22:48,140 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 66 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2024-11-20 06:22:48,140 INFO L432 NwaCegarLoop]: 216 mSDtfsCounter, 297 mSDsluCounter, 785 mSDsCounter, 0 mSdLazyCounter, 773 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 1001 SdHoareTripleChecker+Invalid, 793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 06:22:48,141 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 1001 Invalid, 793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 773 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 06:22:48,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2455 states. [2024-11-20 06:22:48,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2455 to 2245. [2024-11-20 06:22:48,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2245 states, 1962 states have (on average 1.3873598369011213) internal successors, (2722), 1968 states have internal predecessors, (2722), 228 states have call successors, (228), 54 states have call predecessors, (228), 54 states have return successors, (228), 222 states have call predecessors, (228), 228 states have call successors, (228) [2024-11-20 06:22:48,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2245 states to 2245 states and 3178 transitions. [2024-11-20 06:22:48,364 INFO L78 Accepts]: Start accepts. Automaton has 2245 states and 3178 transitions. Word has length 212 [2024-11-20 06:22:48,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:22:48,365 INFO L471 AbstractCegarLoop]: Abstraction has 2245 states and 3178 transitions. [2024-11-20 06:22:48,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 06:22:48,365 INFO L276 IsEmpty]: Start isEmpty. Operand 2245 states and 3178 transitions. [2024-11-20 06:22:48,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-20 06:22:48,367 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:22:48,367 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:22:48,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-20 06:22:48,367 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:22:48,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:22:48,367 INFO L85 PathProgramCache]: Analyzing trace with hash 569872679, now seen corresponding path program 1 times [2024-11-20 06:22:48,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:22:48,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965923872] [2024-11-20 06:22:48,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:22:48,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:22:48,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:48,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:22:48,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:48,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:22:48,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:48,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:22:48,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:48,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:22:48,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:48,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:22:48,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:48,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:22:48,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:48,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:22:48,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:48,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:22:48,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:48,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:22:48,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:48,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:22:48,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:48,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:22:48,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:48,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:22:48,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:48,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 06:22:48,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:48,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 06:22:48,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:48,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 06:22:48,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:48,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 06:22:48,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:22:48,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 06:22:48,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat