./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-81.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 139d16f6f2adc0a53ed334bc0ef4cd475497ad47ce08b4367552becb4de333c7 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 20:02:16,333 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 20:02:16,390 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 20:02:16,395 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 20:02:16,396 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 20:02:16,413 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 20:02:16,413 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 20:02:16,414 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 20:02:16,415 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 20:02:16,415 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 20:02:16,416 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 20:02:16,416 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 20:02:16,417 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 20:02:16,417 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 20:02:16,417 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 20:02:16,419 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 20:02:16,419 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 20:02:16,420 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 20:02:16,420 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 20:02:16,420 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 20:02:16,420 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 20:02:16,423 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 20:02:16,423 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 20:02:16,423 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 20:02:16,424 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 20:02:16,424 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 20:02:16,424 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 20:02:16,424 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 20:02:16,424 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 20:02:16,424 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 20:02:16,425 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 20:02:16,425 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 20:02:16,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 20:02:16,425 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 20:02:16,425 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 20:02:16,425 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 20:02:16,426 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 20:02:16,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 20:02:16,426 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 20:02:16,426 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 20:02:16,426 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 20:02:16,427 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 20:02:16,427 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 139d16f6f2adc0a53ed334bc0ef4cd475497ad47ce08b4367552becb4de333c7 [2024-11-08 20:02:16,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 20:02:16,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 20:02:16,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 20:02:16,643 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 20:02:16,644 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 20:02:16,645 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-81.i [2024-11-08 20:02:17,818 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 20:02:17,980 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 20:02:17,983 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-81.i [2024-11-08 20:02:17,996 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d581c3c1d/94543c10e3004739b96ea5e93556d8ab/FLAG53081d8ed [2024-11-08 20:02:18,370 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d581c3c1d/94543c10e3004739b96ea5e93556d8ab [2024-11-08 20:02:18,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 20:02:18,372 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 20:02:18,375 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 20:02:18,375 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 20:02:18,379 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 20:02:18,379 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 08:02:18" (1/1) ... [2024-11-08 20:02:18,380 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42f4e01c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:02:18, skipping insertion in model container [2024-11-08 20:02:18,380 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 08:02:18" (1/1) ... [2024-11-08 20:02:18,401 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 20:02:18,528 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-81.i[913,926] [2024-11-08 20:02:18,567 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 20:02:18,576 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 20:02:18,585 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-81.i[913,926] [2024-11-08 20:02:18,604 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 20:02:18,619 INFO L204 MainTranslator]: Completed translation [2024-11-08 20:02:18,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:02:18 WrapperNode [2024-11-08 20:02:18,619 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 20:02:18,620 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 20:02:18,620 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 20:02:18,620 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 20:02:18,626 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:02:18" (1/1) ... [2024-11-08 20:02:18,639 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:02:18" (1/1) ... [2024-11-08 20:02:18,688 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 179 [2024-11-08 20:02:18,689 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 20:02:18,689 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 20:02:18,689 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 20:02:18,689 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 20:02:18,700 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:02:18" (1/1) ... [2024-11-08 20:02:18,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:02:18" (1/1) ... [2024-11-08 20:02:18,706 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:02:18" (1/1) ... [2024-11-08 20:02:18,733 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]. [2024-11-08 20:02:18,734 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:02:18" (1/1) ... [2024-11-08 20:02:18,734 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:02:18" (1/1) ... [2024-11-08 20:02:18,747 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:02:18" (1/1) ... [2024-11-08 20:02:18,750 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:02:18" (1/1) ... [2024-11-08 20:02:18,754 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:02:18" (1/1) ... [2024-11-08 20:02:18,761 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:02:18" (1/1) ... [2024-11-08 20:02:18,767 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 20:02:18,768 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 20:02:18,768 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 20:02:18,768 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 20:02:18,768 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:02:18" (1/1) ... [2024-11-08 20:02:18,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 20:02:18,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 20:02:18,801 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) [2024-11-08 20:02:18,803 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 [2024-11-08 20:02:18,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 20:02:18,841 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 20:02:18,841 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 20:02:18,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 20:02:18,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 20:02:18,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 20:02:18,906 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 20:02:18,907 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 20:02:19,182 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-08 20:02:19,183 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 20:02:19,195 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 20:02:19,195 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 20:02:19,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 08:02:19 BoogieIcfgContainer [2024-11-08 20:02:19,196 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 20:02:19,197 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 20:02:19,197 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 20:02:19,199 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 20:02:19,200 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 08:02:18" (1/3) ... [2024-11-08 20:02:19,200 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61064326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 08:02:19, skipping insertion in model container [2024-11-08 20:02:19,201 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:02:18" (2/3) ... [2024-11-08 20:02:19,201 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61064326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 08:02:19, skipping insertion in model container [2024-11-08 20:02:19,201 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 08:02:19" (3/3) ... [2024-11-08 20:02:19,202 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-81.i [2024-11-08 20:02:19,213 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 20:02:19,214 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 20:02:19,259 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 20:02:19,263 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;@2cb14cd7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 20:02:19,264 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 20:02:19,267 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 48 states have (on average 1.375) internal successors, (66), 49 states have internal predecessors, (66), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-08 20:02:19,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-08 20:02:19,278 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:02:19,278 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:02:19,279 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:02:19,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:02:19,283 INFO L85 PathProgramCache]: Analyzing trace with hash 409085708, now seen corresponding path program 1 times [2024-11-08 20:02:19,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:02:19,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266478963] [2024-11-08 20:02:19,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:02:19,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:02:19,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:19,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:02:19,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:19,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:02:19,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:19,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:02:19,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:19,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:02:19,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:19,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:02:19,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:19,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:02:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:19,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:02:19,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:19,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:02:19,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:19,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:02:19,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:19,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:02:19,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:19,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:02:19,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:19,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:02:19,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:19,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:02:19,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:19,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:02:19,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:19,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:02:19,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:19,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:02:19,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:19,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:02:19,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:19,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:02:19,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:19,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:02:19,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:19,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:02:19,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:19,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:02:19,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:19,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:02:19,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:19,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:02:19,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:19,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:02:19,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:19,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:02:19,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:19,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:02:19,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:19,679 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-08 20:02:19,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:02:19,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266478963] [2024-11-08 20:02:19,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266478963] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:02:19,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:02:19,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 20:02:19,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387057099] [2024-11-08 20:02:19,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:02:19,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 20:02:19,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:02:19,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 20:02:19,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 20:02:19,712 INFO L87 Difference]: Start difference. First operand has 77 states, 48 states have (on average 1.375) internal successors, (66), 49 states have internal predecessors, (66), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-08 20:02:19,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:02:19,735 INFO L93 Difference]: Finished difference Result 147 states and 256 transitions. [2024-11-08 20:02:19,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 20:02:19,737 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 163 [2024-11-08 20:02:19,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:02:19,742 INFO L225 Difference]: With dead ends: 147 [2024-11-08 20:02:19,742 INFO L226 Difference]: Without dead ends: 73 [2024-11-08 20:02:19,745 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 20:02:19,747 INFO L432 NwaCegarLoop]: 111 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, 111 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 [2024-11-08 20:02:19,748 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 20:02:19,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-08 20:02:19,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-08 20:02:19,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 45 states have (on average 1.3111111111111111) internal successors, (59), 45 states have internal predecessors, (59), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-08 20:02:19,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 111 transitions. [2024-11-08 20:02:19,795 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 111 transitions. Word has length 163 [2024-11-08 20:02:19,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:02:19,796 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 111 transitions. [2024-11-08 20:02:19,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-08 20:02:19,797 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 111 transitions. [2024-11-08 20:02:19,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-08 20:02:19,799 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:02:19,799 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:02:19,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 20:02:19,800 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:02:19,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:02:19,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1193130060, now seen corresponding path program 1 times [2024-11-08 20:02:19,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:02:19,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4833548] [2024-11-08 20:02:19,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:02:19,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:02:20,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:29,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:02:29,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:29,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:02:29,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:29,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:02:29,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:29,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:02:29,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:29,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:02:29,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:29,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:02:29,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:29,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:02:29,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:29,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:02:29,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:30,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:02:30,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:30,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:02:30,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:30,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:02:30,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:30,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:02:30,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:30,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:02:30,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:30,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:02:30,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:30,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:02:30,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:30,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:02:30,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:30,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:02:30,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:30,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:02:30,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:30,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:02:30,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:30,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:02:30,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:30,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:02:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:30,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:02:30,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:30,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:02:30,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:30,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:02:30,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:30,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:02:30,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:30,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:02:30,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:30,080 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-08 20:02:30,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:02:30,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4833548] [2024-11-08 20:02:30,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4833548] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:02:30,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:02:30,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 20:02:30,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686794827] [2024-11-08 20:02:30,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:02:30,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 20:02:30,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:02:30,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 20:02:30,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-08 20:02:30,086 INFO L87 Difference]: Start difference. First operand 73 states and 111 transitions. Second operand has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-08 20:02:32,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:02:32,497 INFO L93 Difference]: Finished difference Result 321 states and 480 transitions. [2024-11-08 20:02:32,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 20:02:32,497 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-08 20:02:32,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:02:32,501 INFO L225 Difference]: With dead ends: 321 [2024-11-08 20:02:32,501 INFO L226 Difference]: Without dead ends: 251 [2024-11-08 20:02:32,502 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2024-11-08 20:02:32,502 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 651 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 651 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 20:02:32,503 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [651 Valid, 526 Invalid, 610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 20:02:32,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2024-11-08 20:02:32,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 132. [2024-11-08 20:02:32,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 77 states have (on average 1.2857142857142858) internal successors, (99), 77 states have internal predecessors, (99), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-08 20:02:32,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 203 transitions. [2024-11-08 20:02:32,523 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 203 transitions. Word has length 163 [2024-11-08 20:02:32,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:02:32,524 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 203 transitions. [2024-11-08 20:02:32,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-08 20:02:32,524 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 203 transitions. [2024-11-08 20:02:32,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-08 20:02:32,529 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:02:32,529 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:02:32,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 20:02:32,530 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:02:32,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:02:32,531 INFO L85 PathProgramCache]: Analyzing trace with hash 800103050, now seen corresponding path program 1 times [2024-11-08 20:02:32,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:02:32,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237131747] [2024-11-08 20:02:32,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:02:32,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:02:32,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:32,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:02:32,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:32,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:02:32,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:32,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:02:32,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:32,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:02:32,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:32,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:02:32,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:32,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:02:32,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:32,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:02:32,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:32,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:02:32,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:32,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:02:32,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:32,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:02:32,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:32,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:02:32,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:32,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:02:32,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:32,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:02:32,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:32,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:02:32,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:32,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:02:32,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:32,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:02:32,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:32,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:02:32,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:32,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:02:32,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:32,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:02:32,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:32,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:02:32,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:32,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:02:32,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:32,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:02:32,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:32,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:02:32,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:32,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:02:32,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:32,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:02:32,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:32,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:02:32,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:32,713 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-08 20:02:32,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:02:32,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237131747] [2024-11-08 20:02:32,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237131747] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:02:32,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:02:32,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 20:02:32,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958743881] [2024-11-08 20:02:32,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:02:32,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 20:02:32,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:02:32,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 20:02:32,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 20:02:32,715 INFO L87 Difference]: Start difference. First operand 132 states and 203 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-08 20:02:32,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:02:32,773 INFO L93 Difference]: Finished difference Result 237 states and 360 transitions. [2024-11-08 20:02:32,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 20:02:32,775 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-08 20:02:32,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:02:32,777 INFO L225 Difference]: With dead ends: 237 [2024-11-08 20:02:32,779 INFO L226 Difference]: Without dead ends: 167 [2024-11-08 20:02:32,780 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 20:02:32,781 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 42 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 20:02:32,783 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 324 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 20:02:32,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-08 20:02:32,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 164. [2024-11-08 20:02:32,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 104 states have (on average 1.2980769230769231) internal successors, (135), 105 states have internal predecessors, (135), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-08 20:02:32,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 247 transitions. [2024-11-08 20:02:32,812 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 247 transitions. Word has length 163 [2024-11-08 20:02:32,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:02:32,813 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 247 transitions. [2024-11-08 20:02:32,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-08 20:02:32,813 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 247 transitions. [2024-11-08 20:02:32,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-08 20:02:32,817 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:02:32,817 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:02:32,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 20:02:32,817 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:02:32,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:02:32,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1894194638, now seen corresponding path program 1 times [2024-11-08 20:02:32,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:02:32,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190443710] [2024-11-08 20:02:32,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:02:32,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:02:32,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:38,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:02:38,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:38,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:02:38,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:38,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:02:38,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:38,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:02:38,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:38,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:02:38,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:38,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:02:38,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:38,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:02:38,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:38,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:02:38,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:38,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:02:38,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:38,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:02:38,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:38,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:02:38,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:38,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:02:38,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:38,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:02:38,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:38,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:02:38,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:38,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:02:38,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:38,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:02:38,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:38,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:02:38,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:38,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:02:38,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:38,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:02:38,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:38,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:02:38,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:38,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:02:38,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:38,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:02:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:38,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:02:38,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:38,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:02:38,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:38,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:02:38,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:38,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:02:38,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:38,826 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-08 20:02:38,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:02:38,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190443710] [2024-11-08 20:02:38,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190443710] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:02:38,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:02:38,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 20:02:38,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330051805] [2024-11-08 20:02:38,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:02:38,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 20:02:38,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:02:38,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 20:02:38,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-08 20:02:38,829 INFO L87 Difference]: Start difference. First operand 164 states and 247 transitions. Second operand has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-08 20:02:41,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:02:41,262 INFO L93 Difference]: Finished difference Result 372 states and 546 transitions. [2024-11-08 20:02:41,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 20:02:41,263 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-08 20:02:41,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:02:41,266 INFO L225 Difference]: With dead ends: 372 [2024-11-08 20:02:41,266 INFO L226 Difference]: Without dead ends: 270 [2024-11-08 20:02:41,267 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2024-11-08 20:02:41,267 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 418 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 20:02:41,268 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 521 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 20:02:41,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2024-11-08 20:02:41,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 164. [2024-11-08 20:02:41,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 104 states have (on average 1.2980769230769231) internal successors, (135), 105 states have internal predecessors, (135), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-08 20:02:41,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 247 transitions. [2024-11-08 20:02:41,287 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 247 transitions. Word has length 163 [2024-11-08 20:02:41,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:02:41,288 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 247 transitions. [2024-11-08 20:02:41,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-08 20:02:41,288 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 247 transitions. [2024-11-08 20:02:41,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-08 20:02:41,293 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:02:41,294 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:02:41,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 20:02:41,294 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:02:41,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:02:41,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1451295498, now seen corresponding path program 1 times [2024-11-08 20:02:41,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:02:41,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552204343] [2024-11-08 20:02:41,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:02:41,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:02:41,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:41,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:02:41,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:41,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:02:41,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:41,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:02:41,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:41,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:02:41,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:41,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:02:41,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:41,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:02:41,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:41,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:02:41,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:41,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:02:41,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:41,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:02:41,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:41,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:02:41,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:41,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:02:41,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:41,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:02:41,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:41,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:02:41,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:41,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:02:41,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:41,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:02:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:41,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:02:41,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:41,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:02:41,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:41,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:02:41,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:41,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:02:41,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:41,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:02:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:41,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:02:41,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:41,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:02:41,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:41,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:02:41,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:41,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:02:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:41,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:02:41,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:41,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:02:41,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:41,800 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-08 20:02:41,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:02:41,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552204343] [2024-11-08 20:02:41,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552204343] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:02:41,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:02:41,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 20:02:41,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651661216] [2024-11-08 20:02:41,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:02:41,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 20:02:41,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:02:41,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 20:02:41,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 20:02:41,804 INFO L87 Difference]: Start difference. First operand 164 states and 247 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-08 20:02:42,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:02:42,122 INFO L93 Difference]: Finished difference Result 312 states and 467 transitions. [2024-11-08 20:02:42,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 20:02:42,122 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-08 20:02:42,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:02:42,124 INFO L225 Difference]: With dead ends: 312 [2024-11-08 20:02:42,124 INFO L226 Difference]: Without dead ends: 210 [2024-11-08 20:02:42,124 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-08 20:02:42,125 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 101 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 20:02:42,125 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 439 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 20:02:42,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-08 20:02:42,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 170. [2024-11-08 20:02:42,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 110 states have (on average 1.290909090909091) internal successors, (142), 111 states have internal predecessors, (142), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-08 20:02:42,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 254 transitions. [2024-11-08 20:02:42,138 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 254 transitions. Word has length 163 [2024-11-08 20:02:42,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:02:42,139 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 254 transitions. [2024-11-08 20:02:42,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-08 20:02:42,139 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 254 transitions. [2024-11-08 20:02:42,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-08 20:02:42,140 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:02:42,140 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:02:42,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 20:02:42,141 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:02:42,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:02:42,141 INFO L85 PathProgramCache]: Analyzing trace with hash 182012810, now seen corresponding path program 1 times [2024-11-08 20:02:42,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:02:42,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484512525] [2024-11-08 20:02:42,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:02:42,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:02:42,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:47,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:02:47,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:47,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:02:47,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:47,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:02:47,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:47,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:02:47,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:47,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:02:47,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:47,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:02:47,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:47,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:02:47,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:47,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:02:47,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:47,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:02:47,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:47,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:02:47,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:47,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:02:47,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:47,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:02:47,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:47,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:02:47,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:47,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:02:47,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:47,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:02:47,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:47,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:02:47,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:47,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:02:47,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:47,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:02:47,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:47,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:02:47,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:47,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:02:47,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:47,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:02:47,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:47,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:02:47,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:47,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:02:47,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:47,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:02:47,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:47,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:02:47,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:47,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:02:47,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:47,442 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-08 20:02:47,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:02:47,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484512525] [2024-11-08 20:02:47,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484512525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:02:47,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:02:47,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 20:02:47,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837828171] [2024-11-08 20:02:47,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:02:47,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 20:02:47,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:02:47,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 20:02:47,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-08 20:02:47,444 INFO L87 Difference]: Start difference. First operand 170 states and 254 transitions. Second operand has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-08 20:02:48,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:02:48,647 INFO L93 Difference]: Finished difference Result 341 states and 498 transitions. [2024-11-08 20:02:48,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 20:02:48,648 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-08 20:02:48,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:02:48,650 INFO L225 Difference]: With dead ends: 341 [2024-11-08 20:02:48,650 INFO L226 Difference]: Without dead ends: 239 [2024-11-08 20:02:48,650 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-11-08 20:02:48,651 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 144 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 20:02:48,651 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 514 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 20:02:48,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-08 20:02:48,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 171. [2024-11-08 20:02:48,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 111 states have (on average 1.2972972972972974) internal successors, (144), 112 states have internal predecessors, (144), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-08 20:02:48,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 256 transitions. [2024-11-08 20:02:48,668 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 256 transitions. Word has length 163 [2024-11-08 20:02:48,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:02:48,669 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 256 transitions. [2024-11-08 20:02:48,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-08 20:02:48,669 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 256 transitions. [2024-11-08 20:02:48,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-08 20:02:48,670 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:02:48,670 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:02:48,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 20:02:48,670 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:02:48,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:02:48,671 INFO L85 PathProgramCache]: Analyzing trace with hash 883077388, now seen corresponding path program 1 times [2024-11-08 20:02:48,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:02:48,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935675495] [2024-11-08 20:02:48,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:02:48,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:02:48,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:54,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:02:54,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:54,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:02:54,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:54,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:02:54,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:54,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:02:54,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:54,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:02:54,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:54,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:02:54,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:54,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:02:54,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:54,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:02:54,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:54,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:02:54,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:54,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:02:54,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:54,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:02:54,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:54,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:02:54,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:54,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:02:54,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:54,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:02:54,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:54,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:02:54,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:54,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:02:54,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:54,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:02:54,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:54,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:02:54,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:54,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:02:54,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:54,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:02:54,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:54,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:02:54,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:54,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:02:54,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:54,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:02:54,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:54,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:02:54,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:54,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:02:54,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:54,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:02:54,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:54,129 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-08 20:02:54,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:02:54,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935675495] [2024-11-08 20:02:54,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935675495] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:02:54,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:02:54,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 20:02:54,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503496897] [2024-11-08 20:02:54,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:02:54,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 20:02:54,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:02:54,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 20:02:54,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-08 20:02:54,131 INFO L87 Difference]: Start difference. First operand 171 states and 256 transitions. Second operand has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-08 20:02:55,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:02:55,318 INFO L93 Difference]: Finished difference Result 322 states and 474 transitions. [2024-11-08 20:02:55,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 20:02:55,319 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-08 20:02:55,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:02:55,320 INFO L225 Difference]: With dead ends: 322 [2024-11-08 20:02:55,321 INFO L226 Difference]: Without dead ends: 210 [2024-11-08 20:02:55,321 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-11-08 20:02:55,321 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 177 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 20:02:55,322 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 399 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 20:02:55,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-08 20:02:55,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 168. [2024-11-08 20:02:55,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 108 states have (on average 1.2962962962962963) internal successors, (140), 109 states have internal predecessors, (140), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-08 20:02:55,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 252 transitions. [2024-11-08 20:02:55,337 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 252 transitions. Word has length 163 [2024-11-08 20:02:55,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:02:55,337 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 252 transitions. [2024-11-08 20:02:55,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-08 20:02:55,339 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 252 transitions. [2024-11-08 20:02:55,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-08 20:02:55,340 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:02:55,340 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:02:55,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 20:02:55,341 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:02:55,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:02:55,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1839498733, now seen corresponding path program 1 times [2024-11-08 20:02:55,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:02:55,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404839486] [2024-11-08 20:02:55,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:02:55,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:02:55,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:55,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:02:55,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:55,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:02:55,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:55,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:02:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:55,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:02:55,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:55,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:02:55,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:55,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:02:55,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:55,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:02:55,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:55,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:02:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:55,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:02:55,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:55,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:02:55,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:55,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:02:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:55,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:02:55,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:55,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:02:55,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:55,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:02:55,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:55,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:02:55,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:55,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:02:55,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:55,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:02:55,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:55,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:02:55,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:55,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:02:55,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:55,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:02:55,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:55,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:02:55,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:55,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:02:55,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:55,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:02:55,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:55,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:02:55,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:55,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:02:55,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:55,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:02:55,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:02:55,496 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-08 20:02:55,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:02:55,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404839486] [2024-11-08 20:02:55,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404839486] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:02:55,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:02:55,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 20:02:55,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302555153] [2024-11-08 20:02:55,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:02:55,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 20:02:55,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:02:55,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 20:02:55,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 20:02:55,499 INFO L87 Difference]: Start difference. First operand 168 states and 252 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-08 20:02:55,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:02:55,541 INFO L93 Difference]: Finished difference Result 306 states and 450 transitions. [2024-11-08 20:02:55,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 20:02:55,541 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2024-11-08 20:02:55,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:02:55,542 INFO L225 Difference]: With dead ends: 306 [2024-11-08 20:02:55,542 INFO L226 Difference]: Without dead ends: 194 [2024-11-08 20:02:55,543 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 20:02:55,543 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 62 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 20:02:55,543 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 317 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 20:02:55,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-11-08 20:02:55,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 163. [2024-11-08 20:02:55,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 106 states have (on average 1.2924528301886793) internal successors, (137), 106 states have internal predecessors, (137), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-08 20:02:55,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 241 transitions. [2024-11-08 20:02:55,554 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 241 transitions. Word has length 164 [2024-11-08 20:02:55,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:02:55,555 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 241 transitions. [2024-11-08 20:02:55,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-08 20:02:55,555 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 241 transitions. [2024-11-08 20:02:55,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-08 20:02:55,556 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:02:55,556 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:02:55,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 20:02:55,556 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:02:55,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:02:55,556 INFO L85 PathProgramCache]: Analyzing trace with hash 2062441553, now seen corresponding path program 1 times [2024-11-08 20:02:55,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:02:55,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136624393] [2024-11-08 20:02:55,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:02:55,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:02:55,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:00,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:03:00,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:00,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:03:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:00,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:03:00,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:00,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:03:00,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:00,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:03:00,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:00,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:03:00,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:00,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:03:00,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:00,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:03:00,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:00,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:03:00,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:00,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:03:00,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:00,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:03:00,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:00,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:03:00,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:00,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:03:00,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:00,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:03:00,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:00,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:03:00,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:00,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:03:00,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:00,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:03:00,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:00,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:03:00,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:00,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:03:00,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:00,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:03:00,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:00,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:03:00,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:00,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:03:00,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:00,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:03:00,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:00,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:03:00,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:00,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:03:00,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:00,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:03:00,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:00,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-08 20:03:00,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:03:00,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136624393] [2024-11-08 20:03:00,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136624393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:03:00,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:03:00,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 20:03:00,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781267311] [2024-11-08 20:03:00,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:03:00,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 20:03:00,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:03:00,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 20:03:00,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-08 20:03:00,644 INFO L87 Difference]: Start difference. First operand 163 states and 241 transitions. Second operand has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-08 20:03:02,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:03:02,024 INFO L93 Difference]: Finished difference Result 341 states and 496 transitions. [2024-11-08 20:03:02,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 20:03:02,024 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2024-11-08 20:03:02,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:03:02,026 INFO L225 Difference]: With dead ends: 341 [2024-11-08 20:03:02,027 INFO L226 Difference]: Without dead ends: 241 [2024-11-08 20:03:02,028 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2024-11-08 20:03:02,028 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 170 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 20:03:02,029 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 518 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 20:03:02,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-11-08 20:03:02,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 171. [2024-11-08 20:03:02,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 114 states have (on average 1.3070175438596492) internal successors, (149), 114 states have internal predecessors, (149), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-08 20:03:02,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 253 transitions. [2024-11-08 20:03:02,050 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 253 transitions. Word has length 164 [2024-11-08 20:03:02,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:03:02,050 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 253 transitions. [2024-11-08 20:03:02,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-08 20:03:02,050 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 253 transitions. [2024-11-08 20:03:02,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-08 20:03:02,051 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:03:02,051 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:03:02,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 20:03:02,051 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:03:02,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:03:02,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1531461165, now seen corresponding path program 1 times [2024-11-08 20:03:02,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:03:02,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91353455] [2024-11-08 20:03:02,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:03:02,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:03:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:06,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:03:06,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:06,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:03:06,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:06,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:03:06,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:06,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:03:06,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:06,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:03:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:06,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:03:06,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:06,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:03:06,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:06,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:03:06,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:06,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:03:06,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:06,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:03:06,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:06,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:03:06,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:06,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:03:06,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:06,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:03:06,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:06,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:03:06,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:06,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:03:06,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:06,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:03:06,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:06,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:03:06,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:06,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:03:06,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:06,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:03:06,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:06,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:03:06,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:06,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:03:06,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:06,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:03:06,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:06,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:03:06,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:06,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:03:06,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:06,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:03:06,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:06,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:03:06,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:06,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-08 20:03:06,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:03:06,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91353455] [2024-11-08 20:03:06,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91353455] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:03:06,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:03:06,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 20:03:06,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116900583] [2024-11-08 20:03:06,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:03:06,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 20:03:06,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:03:06,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 20:03:06,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-08 20:03:06,950 INFO L87 Difference]: Start difference. First operand 171 states and 253 transitions. Second operand has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-08 20:03:08,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:03:08,424 INFO L93 Difference]: Finished difference Result 362 states and 524 transitions. [2024-11-08 20:03:08,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 20:03:08,425 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 164 [2024-11-08 20:03:08,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:03:08,430 INFO L225 Difference]: With dead ends: 362 [2024-11-08 20:03:08,430 INFO L226 Difference]: Without dead ends: 262 [2024-11-08 20:03:08,430 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2024-11-08 20:03:08,431 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 278 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 20:03:08,431 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 575 Invalid, 715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 20:03:08,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2024-11-08 20:03:08,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 174. [2024-11-08 20:03:08,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 117 states have (on average 1.3076923076923077) internal successors, (153), 117 states have internal predecessors, (153), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-08 20:03:08,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 257 transitions. [2024-11-08 20:03:08,450 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 257 transitions. Word has length 164 [2024-11-08 20:03:08,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:03:08,450 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 257 transitions. [2024-11-08 20:03:08,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-08 20:03:08,450 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 257 transitions. [2024-11-08 20:03:08,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-08 20:03:08,452 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:03:08,452 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:03:08,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 20:03:08,452 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:03:08,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:03:08,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1752388881, now seen corresponding path program 1 times [2024-11-08 20:03:08,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:03:08,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889243110] [2024-11-08 20:03:08,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:03:08,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:03:08,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:12,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:03:12,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:12,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:03:12,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:12,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:03:12,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:12,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:03:12,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:12,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:03:12,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:12,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:03:12,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:12,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:03:12,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:12,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:03:12,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:12,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:03:12,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:12,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:03:12,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:12,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:03:12,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:12,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:03:12,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:12,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:03:12,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:12,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:03:12,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:12,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:03:12,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:12,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:03:12,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:12,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:03:12,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:12,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:03:12,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:12,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:03:12,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:12,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:03:12,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:12,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:03:12,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:12,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:03:12,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:12,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:03:12,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:12,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:03:12,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:12,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:03:12,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:12,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:03:12,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:12,224 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-08 20:03:12,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:03:12,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889243110] [2024-11-08 20:03:12,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889243110] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:03:12,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:03:12,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 20:03:12,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135795214] [2024-11-08 20:03:12,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:03:12,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 20:03:12,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:03:12,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 20:03:12,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-08 20:03:12,226 INFO L87 Difference]: Start difference. First operand 174 states and 257 transitions. Second operand has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-08 20:03:12,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:03:12,933 INFO L93 Difference]: Finished difference Result 316 states and 461 transitions. [2024-11-08 20:03:12,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 20:03:12,933 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2024-11-08 20:03:12,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:03:12,935 INFO L225 Difference]: With dead ends: 316 [2024-11-08 20:03:12,935 INFO L226 Difference]: Without dead ends: 216 [2024-11-08 20:03:12,936 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-11-08 20:03:12,937 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 115 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 20:03:12,937 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 504 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 20:03:12,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-11-08 20:03:12,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 171. [2024-11-08 20:03:12,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 114 states have (on average 1.3070175438596492) internal successors, (149), 114 states have internal predecessors, (149), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-08 20:03:12,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 253 transitions. [2024-11-08 20:03:12,949 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 253 transitions. Word has length 164 [2024-11-08 20:03:12,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:03:12,949 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 253 transitions. [2024-11-08 20:03:12,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-08 20:03:12,949 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 253 transitions. [2024-11-08 20:03:12,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-08 20:03:12,950 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:03:12,950 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:03:12,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 20:03:12,950 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:03:12,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:03:12,951 INFO L85 PathProgramCache]: Analyzing trace with hash -559635055, now seen corresponding path program 1 times [2024-11-08 20:03:12,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:03:12,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838180257] [2024-11-08 20:03:12,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:03:12,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:03:13,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:16,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:03:16,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:16,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:03:16,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:16,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:03:16,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:16,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:03:16,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:16,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:03:16,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:16,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:03:16,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:16,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:03:16,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:16,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:03:16,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:16,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:03:16,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:16,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:03:16,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:16,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:03:16,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:16,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:03:16,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:16,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:03:16,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:16,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:03:16,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:16,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:03:16,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:16,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:03:16,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:16,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:03:16,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:16,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:03:16,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:16,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:03:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:16,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:03:16,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:16,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:03:16,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:16,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:03:16,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:16,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:03:16,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:16,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:03:16,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:16,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:03:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:16,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:03:16,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:16,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-08 20:03:16,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:03:16,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838180257] [2024-11-08 20:03:16,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838180257] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:03:16,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:03:16,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 20:03:16,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225022868] [2024-11-08 20:03:16,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:03:16,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 20:03:16,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:03:16,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 20:03:16,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-08 20:03:16,085 INFO L87 Difference]: Start difference. First operand 171 states and 253 transitions. Second operand has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-08 20:03:17,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:03:17,163 INFO L93 Difference]: Finished difference Result 426 states and 613 transitions. [2024-11-08 20:03:17,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 20:03:17,164 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2024-11-08 20:03:17,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:03:17,165 INFO L225 Difference]: With dead ends: 426 [2024-11-08 20:03:17,165 INFO L226 Difference]: Without dead ends: 318 [2024-11-08 20:03:17,166 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2024-11-08 20:03:17,166 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 443 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 443 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 20:03:17,166 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [443 Valid, 575 Invalid, 571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 20:03:17,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-11-08 20:03:17,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 175. [2024-11-08 20:03:17,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 118 states have (on average 1.3135593220338984) internal successors, (155), 118 states have internal predecessors, (155), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-08 20:03:17,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 259 transitions. [2024-11-08 20:03:17,181 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 259 transitions. Word has length 164 [2024-11-08 20:03:17,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:03:17,181 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 259 transitions. [2024-11-08 20:03:17,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-08 20:03:17,181 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 259 transitions. [2024-11-08 20:03:17,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-08 20:03:17,182 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:03:17,182 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:03:17,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 20:03:17,182 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:03:17,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:03:17,183 INFO L85 PathProgramCache]: Analyzing trace with hash -952662065, now seen corresponding path program 1 times [2024-11-08 20:03:17,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:03:17,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368610215] [2024-11-08 20:03:17,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:03:17,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:03:17,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:21,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:03:21,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:21,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:03:21,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:21,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:03:21,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:21,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:03:21,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:21,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:03:21,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:21,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:03:21,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:21,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:03:21,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:21,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:03:21,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:21,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:03:21,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:21,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:03:21,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:21,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:03:21,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:21,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:03:21,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:21,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:03:21,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:21,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:03:21,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:21,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:03:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:21,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:03:21,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:21,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:03:21,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:21,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:03:21,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:21,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:03:21,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:21,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:03:21,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:21,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:03:21,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:21,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:03:21,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:21,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:03:21,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:21,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:03:21,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:21,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:03:21,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:21,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:03:21,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:21,706 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-08 20:03:21,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:03:21,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368610215] [2024-11-08 20:03:21,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368610215] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:03:21,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:03:21,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 20:03:21,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878625963] [2024-11-08 20:03:21,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:03:21,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 20:03:21,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:03:21,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 20:03:21,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-11-08 20:03:21,709 INFO L87 Difference]: Start difference. First operand 175 states and 259 transitions. Second operand has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-08 20:03:22,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:03:22,715 INFO L93 Difference]: Finished difference Result 387 states and 561 transitions. [2024-11-08 20:03:22,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 20:03:22,716 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 164 [2024-11-08 20:03:22,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:03:22,717 INFO L225 Difference]: With dead ends: 387 [2024-11-08 20:03:22,717 INFO L226 Difference]: Without dead ends: 279 [2024-11-08 20:03:22,718 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2024-11-08 20:03:22,718 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 302 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 20:03:22,718 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 567 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 20:03:22,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2024-11-08 20:03:22,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 177. [2024-11-08 20:03:22,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 120 states have (on average 1.325) internal successors, (159), 120 states have internal predecessors, (159), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-08 20:03:22,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 263 transitions. [2024-11-08 20:03:22,732 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 263 transitions. Word has length 164 [2024-11-08 20:03:22,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:03:22,732 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 263 transitions. [2024-11-08 20:03:22,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-08 20:03:22,733 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 263 transitions. [2024-11-08 20:03:22,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-08 20:03:22,733 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:03:22,733 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:03:22,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 20:03:22,734 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:03:22,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:03:22,734 INFO L85 PathProgramCache]: Analyzing trace with hash 141429523, now seen corresponding path program 1 times [2024-11-08 20:03:22,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:03:22,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769529502] [2024-11-08 20:03:22,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:03:22,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:03:22,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:27,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:03:27,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:27,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:03:27,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:27,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:03:27,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:27,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:03:27,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:27,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:03:27,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:27,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:03:27,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:27,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:03:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:27,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:03:27,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:27,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:03:27,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:27,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:03:27,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:27,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:03:27,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:27,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:03:27,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:27,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:03:27,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:27,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:03:27,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:27,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:03:27,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:27,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:03:27,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:27,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:03:27,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:27,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:03:27,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:27,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:03:27,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:27,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:03:27,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:27,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:03:27,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:27,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:03:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:27,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:03:27,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:27,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:03:27,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:27,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:03:27,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:27,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:03:27,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:27,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-08 20:03:27,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:03:27,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769529502] [2024-11-08 20:03:27,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769529502] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:03:27,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:03:27,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-08 20:03:27,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636240289] [2024-11-08 20:03:27,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:03:27,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 20:03:27,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:03:27,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 20:03:27,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-08 20:03:27,464 INFO L87 Difference]: Start difference. First operand 177 states and 263 transitions. Second operand has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 13 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-08 20:03:28,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:03:28,675 INFO L93 Difference]: Finished difference Result 407 states and 589 transitions. [2024-11-08 20:03:28,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 20:03:28,676 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 13 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 164 [2024-11-08 20:03:28,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:03:28,678 INFO L225 Difference]: With dead ends: 407 [2024-11-08 20:03:28,678 INFO L226 Difference]: Without dead ends: 299 [2024-11-08 20:03:28,679 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2024-11-08 20:03:28,679 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 467 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 20:03:28,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 572 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 20:03:28,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-11-08 20:03:28,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 178. [2024-11-08 20:03:28,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 121 states have (on average 1.3305785123966942) internal successors, (161), 121 states have internal predecessors, (161), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-08 20:03:28,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 265 transitions. [2024-11-08 20:03:28,694 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 265 transitions. Word has length 164 [2024-11-08 20:03:28,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:03:28,694 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 265 transitions. [2024-11-08 20:03:28,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 13 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-08 20:03:28,694 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 265 transitions. [2024-11-08 20:03:28,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-08 20:03:28,695 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:03:28,695 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:03:28,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 20:03:28,695 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:03:28,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:03:28,696 INFO L85 PathProgramCache]: Analyzing trace with hash -251597487, now seen corresponding path program 1 times [2024-11-08 20:03:28,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:03:28,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800337254] [2024-11-08 20:03:28,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:03:28,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:03:28,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:32,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:03:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:32,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:03:32,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:32,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:03:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:32,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:03:32,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:32,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:03:32,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:32,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:03:32,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:32,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:03:32,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:32,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:03:32,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:32,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:03:32,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:32,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:03:32,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:32,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:03:32,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:32,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:03:32,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:32,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:03:32,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:32,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:03:32,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:32,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:03:32,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:32,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:03:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:32,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:03:32,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:32,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:03:32,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:32,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:03:32,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:32,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:03:32,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:32,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:03:32,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:32,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:03:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:32,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:03:32,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:32,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:03:32,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:32,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:03:32,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:32,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:03:32,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:32,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-08 20:03:32,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:03:32,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800337254] [2024-11-08 20:03:32,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800337254] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:03:32,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:03:32,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 20:03:32,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040415204] [2024-11-08 20:03:32,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:03:32,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 20:03:32,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:03:32,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 20:03:32,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-08 20:03:32,974 INFO L87 Difference]: Start difference. First operand 178 states and 265 transitions. Second operand has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-08 20:03:33,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:03:33,987 INFO L93 Difference]: Finished difference Result 396 states and 573 transitions. [2024-11-08 20:03:33,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 20:03:33,988 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 164 [2024-11-08 20:03:33,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:03:33,990 INFO L225 Difference]: With dead ends: 396 [2024-11-08 20:03:33,990 INFO L226 Difference]: Without dead ends: 288 [2024-11-08 20:03:33,990 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 55 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=110, Invalid=310, Unknown=0, NotChecked=0, Total=420 [2024-11-08 20:03:33,991 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 287 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 20:03:33,991 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 560 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 20:03:33,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2024-11-08 20:03:34,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 177. [2024-11-08 20:03:34,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 120 states have (on average 1.325) internal successors, (159), 120 states have internal predecessors, (159), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-08 20:03:34,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 263 transitions. [2024-11-08 20:03:34,004 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 263 transitions. Word has length 164 [2024-11-08 20:03:34,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:03:34,004 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 263 transitions. [2024-11-08 20:03:34,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-08 20:03:34,004 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 263 transitions. [2024-11-08 20:03:34,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-08 20:03:34,005 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:03:34,005 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:03:34,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 20:03:34,005 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:03:34,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:03:34,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1570752305, now seen corresponding path program 1 times [2024-11-08 20:03:34,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:03:34,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4799612] [2024-11-08 20:03:34,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:03:34,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:03:34,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:37,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:03:37,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:37,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:03:37,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:37,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:03:37,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:37,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:03:37,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:37,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:03:37,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:37,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:03:37,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:37,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:03:37,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:37,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:03:37,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:37,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:03:37,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:37,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:03:37,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:37,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:03:37,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:37,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:03:37,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:37,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:03:37,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:37,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:03:37,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:37,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:03:37,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:37,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:03:37,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:37,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:03:37,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:37,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:03:37,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:37,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:03:37,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:37,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:03:37,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:37,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:03:37,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:37,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:03:37,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:37,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:03:37,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:37,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:03:37,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:37,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:03:37,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:37,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:03:37,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:37,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-08 20:03:37,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:03:37,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4799612] [2024-11-08 20:03:37,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4799612] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:03:37,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:03:37,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 20:03:37,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458691789] [2024-11-08 20:03:37,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:03:37,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 20:03:37,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:03:37,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 20:03:37,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-08 20:03:37,618 INFO L87 Difference]: Start difference. First operand 177 states and 263 transitions. Second operand has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-08 20:03:38,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:03:38,033 INFO L93 Difference]: Finished difference Result 396 states and 575 transitions. [2024-11-08 20:03:38,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 20:03:38,033 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2024-11-08 20:03:38,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:03:38,035 INFO L225 Difference]: With dead ends: 396 [2024-11-08 20:03:38,035 INFO L226 Difference]: Without dead ends: 288 [2024-11-08 20:03:38,035 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-08 20:03:38,036 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 187 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 20:03:38,036 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 492 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 20:03:38,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2024-11-08 20:03:38,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 178. [2024-11-08 20:03:38,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 121 states have (on average 1.3305785123966942) internal successors, (161), 121 states have internal predecessors, (161), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-08 20:03:38,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 265 transitions. [2024-11-08 20:03:38,049 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 265 transitions. Word has length 164 [2024-11-08 20:03:38,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:03:38,049 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 265 transitions. [2024-11-08 20:03:38,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-08 20:03:38,049 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 265 transitions. [2024-11-08 20:03:38,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-08 20:03:38,050 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:03:38,050 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:03:38,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 20:03:38,050 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:03:38,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:03:38,051 INFO L85 PathProgramCache]: Analyzing trace with hash -869687727, now seen corresponding path program 1 times [2024-11-08 20:03:38,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:03:38,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123207163] [2024-11-08 20:03:38,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:03:38,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:03:38,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:42,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:03:42,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:42,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:03:42,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:42,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:03:42,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:42,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:03:42,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:42,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:03:42,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:42,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:03:42,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:42,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:03:42,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:42,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:03:42,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:42,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:03:42,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:42,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:03:42,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:42,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:03:42,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:42,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:03:42,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:42,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:03:42,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:42,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:03:42,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:42,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:03:42,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:42,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:03:42,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:42,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:03:42,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:42,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:03:42,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:42,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:03:42,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:42,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:03:42,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:42,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:03:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:42,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:03:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:42,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:03:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:42,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:03:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:42,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:03:42,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:42,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:03:42,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:42,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-08 20:03:42,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:03:42,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123207163] [2024-11-08 20:03:42,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123207163] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:03:42,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:03:42,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 20:03:42,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169110815] [2024-11-08 20:03:42,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:03:42,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 20:03:42,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:03:42,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 20:03:42,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-08 20:03:42,406 INFO L87 Difference]: Start difference. First operand 178 states and 265 transitions. Second operand has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-08 20:03:42,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:03:42,943 INFO L93 Difference]: Finished difference Result 356 states and 520 transitions. [2024-11-08 20:03:42,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 20:03:42,944 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2024-11-08 20:03:42,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:03:42,945 INFO L225 Difference]: With dead ends: 356 [2024-11-08 20:03:42,945 INFO L226 Difference]: Without dead ends: 246 [2024-11-08 20:03:42,946 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-08 20:03:42,946 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 153 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 20:03:42,946 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 410 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 20:03:42,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-11-08 20:03:42,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 178. [2024-11-08 20:03:42,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 121 states have (on average 1.3305785123966942) internal successors, (161), 121 states have internal predecessors, (161), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-08 20:03:42,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 265 transitions. [2024-11-08 20:03:42,960 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 265 transitions. Word has length 164 [2024-11-08 20:03:42,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:03:42,960 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 265 transitions. [2024-11-08 20:03:42,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-08 20:03:42,960 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 265 transitions. [2024-11-08 20:03:42,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-08 20:03:42,961 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:03:42,961 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:03:42,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-08 20:03:42,961 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:03:42,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:03:42,962 INFO L85 PathProgramCache]: Analyzing trace with hash -1262714737, now seen corresponding path program 1 times [2024-11-08 20:03:42,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:03:42,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101517411] [2024-11-08 20:03:42,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:03:42,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:03:42,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:43,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:03:43,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:43,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:03:43,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:43,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:03:43,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:43,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:03:43,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:43,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:03:43,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:43,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:03:43,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:43,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:03:43,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:43,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:03:43,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:43,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:03:43,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:43,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:03:43,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:43,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:03:43,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:43,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:03:43,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:43,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:03:43,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:43,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:03:43,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:43,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:03:43,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:43,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:03:43,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:43,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:03:43,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:43,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:03:43,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:43,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:03:43,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:43,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:03:43,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:43,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:03:43,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:43,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:03:43,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:43,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:03:43,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:43,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:03:43,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:43,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:03:43,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:43,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:03:43,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:03:43,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-08 20:03:43,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:03:43,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101517411] [2024-11-08 20:03:43,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101517411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:03:43,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:03:43,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 20:03:43,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017769391] [2024-11-08 20:03:43,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:03:43,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 20:03:43,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:03:43,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 20:03:43,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 20:03:43,445 INFO L87 Difference]: Start difference. First operand 178 states and 265 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-08 20:03:43,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:03:43,869 INFO L93 Difference]: Finished difference Result 358 states and 522 transitions. [2024-11-08 20:03:43,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 20:03:43,870 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2024-11-08 20:03:43,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:03:43,872 INFO L225 Difference]: With dead ends: 358 [2024-11-08 20:03:43,872 INFO L226 Difference]: Without dead ends: 248 [2024-11-08 20:03:43,872 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-11-08 20:03:43,873 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 205 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 20:03:43,874 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 390 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 20:03:43,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-11-08 20:03:43,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 175. [2024-11-08 20:03:43,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 118 states have (on average 1.3305084745762712) internal successors, (157), 118 states have internal predecessors, (157), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-08 20:03:43,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 261 transitions. [2024-11-08 20:03:43,889 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 261 transitions. Word has length 164 [2024-11-08 20:03:43,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:03:43,889 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 261 transitions. [2024-11-08 20:03:43,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-08 20:03:43,889 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 261 transitions. [2024-11-08 20:03:43,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-08 20:03:43,890 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:03:43,890 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:03:43,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-08 20:03:43,890 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:03:43,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:03:43,891 INFO L85 PathProgramCache]: Analyzing trace with hash -992432185, now seen corresponding path program 1 times [2024-11-08 20:03:43,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:03:43,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074858189] [2024-11-08 20:03:43,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:03:43,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:03:43,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat