./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_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_fillercodestructure_filler-pe-cn_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 f21456a779194f7e287a67040f0a4e45ea1ac95220541a0a40827a16bb32aae0 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 21:25:40,480 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 21:25:40,570 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 21:25:40,576 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 21:25:40,579 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 21:25:40,615 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 21:25:40,617 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 21:25:40,618 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 21:25:40,618 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 21:25:40,620 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 21:25:40,620 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 21:25:40,621 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 21:25:40,621 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 21:25:40,622 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 21:25:40,622 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 21:25:40,624 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 21:25:40,624 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 21:25:40,624 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 21:25:40,625 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 21:25:40,625 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 21:25:40,625 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 21:25:40,628 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 21:25:40,628 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 21:25:40,628 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 21:25:40,628 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 21:25:40,629 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 21:25:40,629 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 21:25:40,629 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 21:25:40,630 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 21:25:40,630 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 21:25:40,630 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 21:25:40,630 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 21:25:40,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 21:25:40,631 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 21:25:40,631 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 21:25:40,632 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 21:25:40,632 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 21:25:40,632 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 21:25:40,632 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 21:25:40,632 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 21:25:40,633 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 21:25:40,633 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 21:25:40,633 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f21456a779194f7e287a67040f0a4e45ea1ac95220541a0a40827a16bb32aae0 [2024-11-08 21:25:40,908 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 21:25:40,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 21:25:40,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 21:25:40,943 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 21:25:40,944 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 21:25:40,945 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-81.i [2024-11-08 21:25:42,408 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 21:25:42,638 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 21:25:42,640 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-81.i [2024-11-08 21:25:42,654 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/391a3456b/91198c91282f425ab08aebf057644564/FLAG456411294 [2024-11-08 21:25:42,977 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/391a3456b/91198c91282f425ab08aebf057644564 [2024-11-08 21:25:42,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 21:25:42,981 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 21:25:42,982 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 21:25:42,982 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 21:25:42,987 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 21:25:42,989 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 09:25:42" (1/1) ... [2024-11-08 21:25:42,990 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73a76275 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:25:42, skipping insertion in model container [2024-11-08 21:25:42,990 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 09:25:42" (1/1) ... [2024-11-08 21:25:43,025 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 21:25:43,212 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_fillercodestructure_filler-pe-cn_file-81.i[919,932] [2024-11-08 21:25:43,293 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 21:25:43,305 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 21:25:43,317 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_fillercodestructure_filler-pe-cn_file-81.i[919,932] [2024-11-08 21:25:43,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 21:25:43,401 INFO L204 MainTranslator]: Completed translation [2024-11-08 21:25:43,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:25:43 WrapperNode [2024-11-08 21:25:43,401 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 21:25:43,403 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 21:25:43,403 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 21:25:43,403 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 21:25:43,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:25:43" (1/1) ... [2024-11-08 21:25:43,421 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:25:43" (1/1) ... [2024-11-08 21:25:43,465 INFO L138 Inliner]: procedures = 26, calls = 63, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 308 [2024-11-08 21:25:43,466 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 21:25:43,466 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 21:25:43,467 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 21:25:43,467 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 21:25:43,477 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:25:43" (1/1) ... [2024-11-08 21:25:43,477 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:25:43" (1/1) ... [2024-11-08 21:25:43,482 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:25:43" (1/1) ... [2024-11-08 21:25:43,511 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 21:25:43,511 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:25:43" (1/1) ... [2024-11-08 21:25:43,512 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:25:43" (1/1) ... [2024-11-08 21:25:43,532 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:25:43" (1/1) ... [2024-11-08 21:25:43,540 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:25:43" (1/1) ... [2024-11-08 21:25:43,545 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:25:43" (1/1) ... [2024-11-08 21:25:43,548 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:25:43" (1/1) ... [2024-11-08 21:25:43,563 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 21:25:43,564 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 21:25:43,565 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 21:25:43,565 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 21:25:43,566 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:25:43" (1/1) ... [2024-11-08 21:25:43,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 21:25:43,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 21:25:43,597 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 21:25:43,602 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 21:25:43,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 21:25:43,649 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 21:25:43,650 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 21:25:43,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 21:25:43,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 21:25:43,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 21:25:43,766 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 21:25:43,769 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 21:25:44,382 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-08 21:25:44,382 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 21:25:44,401 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 21:25:44,401 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 21:25:44,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 09:25:44 BoogieIcfgContainer [2024-11-08 21:25:44,402 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 21:25:44,404 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 21:25:44,404 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 21:25:44,407 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 21:25:44,407 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 09:25:42" (1/3) ... [2024-11-08 21:25:44,408 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44a02903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 09:25:44, skipping insertion in model container [2024-11-08 21:25:44,409 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:25:43" (2/3) ... [2024-11-08 21:25:44,409 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44a02903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 09:25:44, skipping insertion in model container [2024-11-08 21:25:44,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 09:25:44" (3/3) ... [2024-11-08 21:25:44,411 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-cn_file-81.i [2024-11-08 21:25:44,425 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 21:25:44,426 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 21:25:44,481 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 21:25:44,487 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;@1830ffc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 21:25:44,488 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 21:25:44,493 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 81 states have (on average 1.4197530864197532) internal successors, (115), 82 states have internal predecessors, (115), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-08 21:25:44,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2024-11-08 21:25:44,513 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:25:44,514 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:25:44,514 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:25:44,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:25:44,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1319909153, now seen corresponding path program 1 times [2024-11-08 21:25:44,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:25:44,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798965196] [2024-11-08 21:25:44,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:25:44,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:25:44,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:44,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:25:44,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:44,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:25:44,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:44,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:25:44,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:44,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:25:44,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:44,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:25:44,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:44,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:25:44,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:44,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:25:44,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:44,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:25:44,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:44,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:25:44,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:45,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:25:45,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:45,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:25:45,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:45,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:25:45,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:45,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 21:25:45,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:45,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:25:45,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:45,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 21:25:45,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:45,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:25:45,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:45,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 21:25:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:45,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:25:45,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:45,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 21:25:45,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:45,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:25:45,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:45,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 21:25:45,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:45,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:25:45,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:45,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 21:25:45,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:45,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:25:45,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:45,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 21:25:45,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:45,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:25:45,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:45,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 21:25:45,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:45,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:25:45,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:45,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 21:25:45,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:45,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:25:45,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:45,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 21:25:45,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:45,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 21:25:45,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:45,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 21:25:45,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:45,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 21:25:45,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:45,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-08 21:25:45,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:45,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-08 21:25:45,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:45,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-08 21:25:45,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:45,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-08 21:25:45,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:45,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-08 21:25:45,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:45,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-08 21:25:45,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:45,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-08 21:25:45,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:45,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-08 21:25:45,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:45,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-08 21:25:45,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:45,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-08 21:25:45,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:45,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-08 21:25:45,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:45,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-08 21:25:45,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:45,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-08 21:25:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:45,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-08 21:25:45,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:45,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-08 21:25:45,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:45,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-08 21:25:45,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:45,225 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-08 21:25:45,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:25:45,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798965196] [2024-11-08 21:25:45,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798965196] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:25:45,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:25:45,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 21:25:45,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726696863] [2024-11-08 21:25:45,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:25:45,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 21:25:45,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:25:45,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 21:25:45,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 21:25:45,269 INFO L87 Difference]: Start difference. First operand has 134 states, 81 states have (on average 1.4197530864197532) internal successors, (115), 82 states have internal predecessors, (115), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) Second operand has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) [2024-11-08 21:25:45,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:25:45,319 INFO L93 Difference]: Finished difference Result 261 states and 474 transitions. [2024-11-08 21:25:45,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 21:25:45,321 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) Word has length 306 [2024-11-08 21:25:45,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:25:45,333 INFO L225 Difference]: With dead ends: 261 [2024-11-08 21:25:45,334 INFO L226 Difference]: Without dead ends: 130 [2024-11-08 21:25:45,338 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 152 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 21:25:45,344 INFO L432 NwaCegarLoop]: 208 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, 208 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 21:25:45,345 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 21:25:45,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-11-08 21:25:45,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2024-11-08 21:25:45,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 78 states have (on average 1.3846153846153846) internal successors, (108), 78 states have internal predecessors, (108), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-08 21:25:45,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 208 transitions. [2024-11-08 21:25:45,432 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 208 transitions. Word has length 306 [2024-11-08 21:25:45,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:25:45,435 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 208 transitions. [2024-11-08 21:25:45,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) [2024-11-08 21:25:45,438 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 208 transitions. [2024-11-08 21:25:45,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2024-11-08 21:25:45,445 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:25:45,445 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:25:45,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 21:25:45,446 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:25:45,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:25:45,447 INFO L85 PathProgramCache]: Analyzing trace with hash -2109759783, now seen corresponding path program 1 times [2024-11-08 21:25:45,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:25:45,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119820084] [2024-11-08 21:25:45,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:25:45,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:25:45,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:25:46,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:25:46,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:25:46,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:25:46,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:25:46,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:25:46,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:25:46,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:25:46,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:25:46,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:25:46,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:25:46,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:25:46,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 21:25:46,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:25:46,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 21:25:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:25:46,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 21:25:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:25:46,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 21:25:46,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:25:46,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 21:25:46,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:25:46,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 21:25:46,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:25:46,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 21:25:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:25:46,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 21:25:46,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:25:46,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 21:25:46,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:25:46,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 21:25:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 21:25:46,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 21:25:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 21:25:46,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-08 21:25:46,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-08 21:25:46,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-08 21:25:46,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-08 21:25:46,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-08 21:25:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-08 21:25:46,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-08 21:25:46,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-08 21:25:46,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-08 21:25:46,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-08 21:25:46,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-08 21:25:46,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-08 21:25:46,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-08 21:25:46,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-08 21:25:46,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-08 21:25:46,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-08 21:25:46,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:46,574 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-08 21:25:46,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:25:46,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119820084] [2024-11-08 21:25:46,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119820084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:25:46,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:25:46,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 21:25:46,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439138828] [2024-11-08 21:25:46,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:25:46,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 21:25:46,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:25:46,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 21:25:46,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-08 21:25:46,584 INFO L87 Difference]: Start difference. First operand 130 states and 208 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-08 21:25:46,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:25:46,915 INFO L93 Difference]: Finished difference Result 385 states and 620 transitions. [2024-11-08 21:25:46,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 21:25:46,916 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 306 [2024-11-08 21:25:46,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:25:46,921 INFO L225 Difference]: With dead ends: 385 [2024-11-08 21:25:46,921 INFO L226 Difference]: Without dead ends: 258 [2024-11-08 21:25:46,923 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-08 21:25:46,924 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 112 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 21:25:46,924 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 501 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 21:25:46,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-11-08 21:25:46,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 256. [2024-11-08 21:25:46,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 153 states have (on average 1.392156862745098) internal successors, (213), 153 states have internal predecessors, (213), 100 states have call successors, (100), 2 states have call predecessors, (100), 2 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-08 21:25:46,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 413 transitions. [2024-11-08 21:25:46,996 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 413 transitions. Word has length 306 [2024-11-08 21:25:46,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:25:46,998 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 413 transitions. [2024-11-08 21:25:46,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-08 21:25:46,998 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 413 transitions. [2024-11-08 21:25:47,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-11-08 21:25:47,003 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:25:47,003 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:25:47,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 21:25:47,004 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:25:47,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:25:47,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1093166673, now seen corresponding path program 1 times [2024-11-08 21:25:47,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:25:47,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491988402] [2024-11-08 21:25:47,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:25:47,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:25:47,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:25:47,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:25:47,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:25:47,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:25:47,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:25:47,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:25:47,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:25:47,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:25:47,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:25:47,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:25:47,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:25:47,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:25:47,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 21:25:47,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:25:47,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 21:25:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:25:47,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 21:25:47,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:25:47,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 21:25:47,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:25:47,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 21:25:47,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:25:47,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 21:25:47,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:25:47,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 21:25:47,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:25:47,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 21:25:47,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:25:47,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 21:25:47,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:25:47,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 21:25:47,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 21:25:47,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 21:25:47,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 21:25:47,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-08 21:25:47,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-08 21:25:47,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-08 21:25:47,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-08 21:25:47,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-08 21:25:47,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-08 21:25:47,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-08 21:25:47,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-08 21:25:47,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-08 21:25:47,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-08 21:25:47,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-08 21:25:47,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-08 21:25:47,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-08 21:25:47,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-08 21:25:47,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-08 21:25:47,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-08 21:25:47,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:47,557 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-08 21:25:47,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:25:47,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491988402] [2024-11-08 21:25:47,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491988402] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:25:47,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:25:47,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 21:25:47,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753583956] [2024-11-08 21:25:47,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:25:47,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 21:25:47,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:25:47,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 21:25:47,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 21:25:47,566 INFO L87 Difference]: Start difference. First operand 256 states and 413 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-08 21:25:47,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:25:47,671 INFO L93 Difference]: Finished difference Result 616 states and 991 transitions. [2024-11-08 21:25:47,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 21:25:47,672 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 307 [2024-11-08 21:25:47,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:25:47,680 INFO L225 Difference]: With dead ends: 616 [2024-11-08 21:25:47,681 INFO L226 Difference]: Without dead ends: 363 [2024-11-08 21:25:47,683 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 103 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 21:25:47,686 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 77 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 615 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 21:25:47,689 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 615 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 21:25:47,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2024-11-08 21:25:47,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 359. [2024-11-08 21:25:47,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 246 states have (on average 1.4552845528455285) internal successors, (358), 248 states have internal predecessors, (358), 108 states have call successors, (108), 4 states have call predecessors, (108), 4 states have return successors, (108), 106 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-08 21:25:47,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 574 transitions. [2024-11-08 21:25:47,752 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 574 transitions. Word has length 307 [2024-11-08 21:25:47,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:25:47,753 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 574 transitions. [2024-11-08 21:25:47,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-08 21:25:47,753 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 574 transitions. [2024-11-08 21:25:47,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-11-08 21:25:47,758 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:25:47,758 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:25:47,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 21:25:47,758 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:25:47,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:25:47,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1910815123, now seen corresponding path program 1 times [2024-11-08 21:25:47,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:25:47,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902144495] [2024-11-08 21:25:47,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:25:47,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:25:47,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:25:48,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:25:48,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:25:48,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:25:48,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:25:48,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:25:48,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:25:48,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:25:48,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:25:48,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:25:48,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:25:48,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:25:48,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 21:25:48,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:25:48,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 21:25:48,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:25:48,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 21:25:48,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:25:48,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 21:25:48,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:25:48,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 21:25:48,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:25:48,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 21:25:48,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:25:48,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 21:25:48,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:25:48,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 21:25:48,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:25:48,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 21:25:48,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:25:48,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 21:25:48,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 21:25:48,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 21:25:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 21:25:48,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-08 21:25:48,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-08 21:25:48,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-08 21:25:48,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-08 21:25:48,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-08 21:25:48,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-08 21:25:48,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-08 21:25:48,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-08 21:25:48,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-08 21:25:48,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-08 21:25:48,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-08 21:25:48,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-08 21:25:48,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-08 21:25:48,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-08 21:25:48,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-08 21:25:48,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-08 21:25:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:25:48,805 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-08 21:25:48,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:25:48,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902144495] [2024-11-08 21:25:48,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902144495] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:25:48,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:25:48,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 21:25:48,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919823191] [2024-11-08 21:25:48,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:25:48,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 21:25:48,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:25:48,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 21:25:48,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-08 21:25:48,809 INFO L87 Difference]: Start difference. First operand 359 states and 574 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2024-11-08 21:25:50,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:25:50,022 INFO L93 Difference]: Finished difference Result 1237 states and 1916 transitions. [2024-11-08 21:25:50,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 21:25:50,023 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 307 [2024-11-08 21:25:50,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:25:50,032 INFO L225 Difference]: With dead ends: 1237 [2024-11-08 21:25:50,033 INFO L226 Difference]: Without dead ends: 881 [2024-11-08 21:25:50,034 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 107 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-08 21:25:50,035 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 466 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 370 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 466 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 370 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 21:25:50,036 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [466 Valid, 599 Invalid, 744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [370 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 21:25:50,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 881 states. [2024-11-08 21:25:50,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 881 to 387. [2024-11-08 21:25:50,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 270 states have (on average 1.4444444444444444) internal successors, (390), 272 states have internal predecessors, (390), 108 states have call successors, (108), 8 states have call predecessors, (108), 8 states have return successors, (108), 106 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-08 21:25:50,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 606 transitions. [2024-11-08 21:25:50,144 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 606 transitions. Word has length 307 [2024-11-08 21:25:50,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:25:50,146 INFO L471 AbstractCegarLoop]: Abstraction has 387 states and 606 transitions. [2024-11-08 21:25:50,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2024-11-08 21:25:50,146 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 606 transitions. [2024-11-08 21:25:50,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-11-08 21:25:50,151 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:25:50,151 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:25:50,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 21:25:50,151 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:25:50,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:25:50,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1517788113, now seen corresponding path program 1 times [2024-11-08 21:25:50,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:25:50,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950296594] [2024-11-08 21:25:50,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:25:50,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:25:50,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:00,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:26:00,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:00,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:26:00,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:00,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:26:00,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:00,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:26:00,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:00,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:26:00,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:00,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:26:00,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:00,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:26:00,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:00,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:26:00,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:00,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:26:00,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:00,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:26:00,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:00,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:26:00,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:00,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:26:00,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:00,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 21:26:00,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:00,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:26:00,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:00,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 21:26:00,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:00,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:26:00,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:00,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 21:26:00,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:00,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:26:00,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:00,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 21:26:00,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:00,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:26:00,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:00,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 21:26:00,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:00,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:26:00,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:00,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 21:26:00,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:00,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:26:00,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:00,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 21:26:00,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:00,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:26:00,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:00,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 21:26:00,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:00,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:26:00,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:00,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 21:26:00,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:00,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:26:00,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:00,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 21:26:00,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:00,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 21:26:00,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:00,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 21:26:00,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:00,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 21:26:00,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:00,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-08 21:26:00,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:00,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-08 21:26:00,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:00,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-08 21:26:00,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:00,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-08 21:26:00,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:00,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-08 21:26:00,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:00,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-08 21:26:00,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:00,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-08 21:26:00,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:00,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-08 21:26:00,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:00,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-08 21:26:00,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:00,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-08 21:26:00,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:00,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-08 21:26:00,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:00,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-08 21:26:00,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:00,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-08 21:26:00,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:00,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-08 21:26:00,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:00,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-08 21:26:01,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:01,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-08 21:26:01,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:01,014 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-08 21:26:01,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:26:01,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950296594] [2024-11-08 21:26:01,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950296594] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:26:01,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:26:01,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 21:26:01,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602406108] [2024-11-08 21:26:01,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:26:01,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 21:26:01,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:26:01,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 21:26:01,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-08 21:26:01,019 INFO L87 Difference]: Start difference. First operand 387 states and 606 transitions. Second operand has 11 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-08 21:26:04,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:26:04,406 INFO L93 Difference]: Finished difference Result 1311 states and 2074 transitions. [2024-11-08 21:26:04,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 21:26:04,407 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 307 [2024-11-08 21:26:04,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:26:04,415 INFO L225 Difference]: With dead ends: 1311 [2024-11-08 21:26:04,415 INFO L226 Difference]: Without dead ends: 927 [2024-11-08 21:26:04,417 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2024-11-08 21:26:04,420 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 1137 mSDsluCounter, 986 mSDsCounter, 0 mSdLazyCounter, 641 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1137 SdHoareTripleChecker+Valid, 1174 SdHoareTripleChecker+Invalid, 792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 641 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-08 21:26:04,420 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1137 Valid, 1174 Invalid, 792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 641 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-08 21:26:04,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states. [2024-11-08 21:26:04,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 536. [2024-11-08 21:26:04,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 366 states have (on average 1.4398907103825136) internal successors, (527), 368 states have internal predecessors, (527), 158 states have call successors, (158), 11 states have call predecessors, (158), 11 states have return successors, (158), 156 states have call predecessors, (158), 158 states have call successors, (158) [2024-11-08 21:26:04,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 843 transitions. [2024-11-08 21:26:04,495 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 843 transitions. Word has length 307 [2024-11-08 21:26:04,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:26:04,495 INFO L471 AbstractCegarLoop]: Abstraction has 536 states and 843 transitions. [2024-11-08 21:26:04,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-08 21:26:04,496 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 843 transitions. [2024-11-08 21:26:04,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-11-08 21:26:04,501 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:26:04,502 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:26:04,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 21:26:04,503 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:26:04,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:26:04,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1940489939, now seen corresponding path program 1 times [2024-11-08 21:26:04,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:26:04,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18792042] [2024-11-08 21:26:04,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:26:04,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:26:04,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:26:13,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:26:13,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:26:13,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:26:13,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:26:13,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:26:13,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:26:13,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:26:13,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:26:13,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:26:13,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:26:13,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:26:13,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 21:26:13,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:26:13,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 21:26:13,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:26:13,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 21:26:13,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:26:13,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 21:26:13,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:26:13,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 21:26:13,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:26:13,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 21:26:13,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:26:13,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 21:26:13,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:26:13,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 21:26:13,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:26:13,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 21:26:13,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:26:13,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 21:26:13,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 21:26:13,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 21:26:13,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 21:26:13,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-08 21:26:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-08 21:26:13,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-08 21:26:13,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-08 21:26:13,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-08 21:26:13,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-08 21:26:13,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-08 21:26:13,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-08 21:26:13,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-08 21:26:13,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-08 21:26:13,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-08 21:26:13,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-08 21:26:13,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-08 21:26:13,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-08 21:26:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-08 21:26:13,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-08 21:26:13,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:13,217 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-08 21:26:13,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:26:13,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18792042] [2024-11-08 21:26:13,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18792042] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:26:13,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:26:13,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 21:26:13,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773351850] [2024-11-08 21:26:13,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:26:13,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 21:26:13,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:26:13,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 21:26:13,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-08 21:26:13,220 INFO L87 Difference]: Start difference. First operand 536 states and 843 transitions. Second operand has 12 states, 12 states have (on average 5.0) internal successors, (60), 12 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-08 21:26:16,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:26:16,025 INFO L93 Difference]: Finished difference Result 1291 states and 2047 transitions. [2024-11-08 21:26:16,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 21:26:16,026 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.0) internal successors, (60), 12 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 307 [2024-11-08 21:26:16,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:26:16,033 INFO L225 Difference]: With dead ends: 1291 [2024-11-08 21:26:16,033 INFO L226 Difference]: Without dead ends: 907 [2024-11-08 21:26:16,035 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2024-11-08 21:26:16,037 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 898 mSDsluCounter, 959 mSDsCounter, 0 mSdLazyCounter, 537 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 898 SdHoareTripleChecker+Valid, 1146 SdHoareTripleChecker+Invalid, 689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 21:26:16,040 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [898 Valid, 1146 Invalid, 689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 537 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 21:26:16,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 907 states. [2024-11-08 21:26:16,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 907 to 536. [2024-11-08 21:26:16,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 366 states have (on average 1.4398907103825136) internal successors, (527), 368 states have internal predecessors, (527), 158 states have call successors, (158), 11 states have call predecessors, (158), 11 states have return successors, (158), 156 states have call predecessors, (158), 158 states have call successors, (158) [2024-11-08 21:26:16,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 843 transitions. [2024-11-08 21:26:16,144 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 843 transitions. Word has length 307 [2024-11-08 21:26:16,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:26:16,146 INFO L471 AbstractCegarLoop]: Abstraction has 536 states and 843 transitions. [2024-11-08 21:26:16,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.0) internal successors, (60), 12 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-08 21:26:16,146 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 843 transitions. [2024-11-08 21:26:16,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-11-08 21:26:16,150 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:26:16,151 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:26:16,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 21:26:16,151 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:26:16,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:26:16,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1736642831, now seen corresponding path program 1 times [2024-11-08 21:26:16,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:26:16,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844858505] [2024-11-08 21:26:16,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:26:16,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:26:16,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:26:18,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:26:18,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:26:18,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:26:18,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:26:18,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:26:18,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:26:18,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:26:18,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:26:18,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:26:18,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:26:18,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:26:18,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 21:26:18,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:26:18,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 21:26:18,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:26:18,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 21:26:18,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:26:18,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 21:26:18,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:26:18,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 21:26:18,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:26:18,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 21:26:18,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:26:18,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 21:26:18,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:26:18,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 21:26:18,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:26:18,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 21:26:18,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:26:18,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 21:26:18,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 21:26:18,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 21:26:18,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 21:26:18,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-08 21:26:18,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-08 21:26:18,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-08 21:26:18,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-08 21:26:18,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-08 21:26:18,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-08 21:26:18,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-08 21:26:18,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-08 21:26:18,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-08 21:26:18,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-08 21:26:18,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-08 21:26:18,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-08 21:26:18,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-08 21:26:18,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-08 21:26:18,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-08 21:26:18,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-08 21:26:18,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:18,625 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-08 21:26:18,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:26:18,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844858505] [2024-11-08 21:26:18,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844858505] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:26:18,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:26:18,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 21:26:18,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459820871] [2024-11-08 21:26:18,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:26:18,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 21:26:18,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:26:18,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 21:26:18,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-08 21:26:18,628 INFO L87 Difference]: Start difference. First operand 536 states and 843 transitions. Second operand has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-08 21:26:20,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:26:20,265 INFO L93 Difference]: Finished difference Result 1365 states and 2175 transitions. [2024-11-08 21:26:20,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 21:26:20,266 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 307 [2024-11-08 21:26:20,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:26:20,272 INFO L225 Difference]: With dead ends: 1365 [2024-11-08 21:26:20,273 INFO L226 Difference]: Without dead ends: 981 [2024-11-08 21:26:20,274 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2024-11-08 21:26:20,275 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 638 mSDsluCounter, 743 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 638 SdHoareTripleChecker+Valid, 937 SdHoareTripleChecker+Invalid, 698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 21:26:20,275 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [638 Valid, 937 Invalid, 698 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 21:26:20,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 981 states. [2024-11-08 21:26:20,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 981 to 540. [2024-11-08 21:26:20,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 370 states have (on average 1.4378378378378378) internal successors, (532), 372 states have internal predecessors, (532), 158 states have call successors, (158), 11 states have call predecessors, (158), 11 states have return successors, (158), 156 states have call predecessors, (158), 158 states have call successors, (158) [2024-11-08 21:26:20,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 848 transitions. [2024-11-08 21:26:20,345 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 848 transitions. Word has length 307 [2024-11-08 21:26:20,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:26:20,347 INFO L471 AbstractCegarLoop]: Abstraction has 540 states and 848 transitions. [2024-11-08 21:26:20,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-08 21:26:20,347 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 848 transitions. [2024-11-08 21:26:20,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-11-08 21:26:20,351 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:26:20,351 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:26:20,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 21:26:20,351 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:26:20,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:26:20,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1383774607, now seen corresponding path program 1 times [2024-11-08 21:26:20,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:26:20,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056618089] [2024-11-08 21:26:20,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:26:20,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:26:20,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:26:31,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:26:31,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:26:31,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:26:31,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:26:31,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:26:31,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:26:31,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:26:31,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:26:31,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:26:31,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:26:31,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:26:31,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 21:26:31,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:26:31,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 21:26:31,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:26:31,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 21:26:31,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:26:31,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 21:26:31,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:26:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 21:26:31,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:26:31,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 21:26:31,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:26:31,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 21:26:31,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:26:31,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 21:26:31,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:26:31,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 21:26:31,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:26:31,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 21:26:31,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 21:26:31,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 21:26:31,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 21:26:31,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-08 21:26:31,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-08 21:26:31,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-08 21:26:31,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-08 21:26:31,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-08 21:26:31,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-08 21:26:31,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-08 21:26:31,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-08 21:26:31,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-08 21:26:31,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-08 21:26:31,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-08 21:26:31,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-08 21:26:31,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-08 21:26:31,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-08 21:26:31,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-08 21:26:31,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-08 21:26:31,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:31,133 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-08 21:26:31,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:26:31,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056618089] [2024-11-08 21:26:31,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056618089] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:26:31,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:26:31,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 21:26:31,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211104832] [2024-11-08 21:26:31,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:26:31,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 21:26:31,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:26:31,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 21:26:31,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-08 21:26:31,137 INFO L87 Difference]: Start difference. First operand 540 states and 848 transitions. Second operand has 12 states, 12 states have (on average 5.0) internal successors, (60), 12 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-08 21:26:33,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:26:33,801 INFO L93 Difference]: Finished difference Result 1314 states and 2075 transitions. [2024-11-08 21:26:33,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 21:26:33,802 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.0) internal successors, (60), 12 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 307 [2024-11-08 21:26:33,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:26:33,808 INFO L225 Difference]: With dead ends: 1314 [2024-11-08 21:26:33,809 INFO L226 Difference]: Without dead ends: 930 [2024-11-08 21:26:33,811 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2024-11-08 21:26:33,811 INFO L432 NwaCegarLoop]: 226 mSDtfsCounter, 744 mSDsluCounter, 1120 mSDsCounter, 0 mSdLazyCounter, 643 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 744 SdHoareTripleChecker+Valid, 1346 SdHoareTripleChecker+Invalid, 794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 643 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 21:26:33,812 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [744 Valid, 1346 Invalid, 794 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 643 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 21:26:33,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 930 states. [2024-11-08 21:26:33,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 930 to 543. [2024-11-08 21:26:33,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 373 states have (on average 1.4396782841823057) internal successors, (537), 375 states have internal predecessors, (537), 158 states have call successors, (158), 11 states have call predecessors, (158), 11 states have return successors, (158), 156 states have call predecessors, (158), 158 states have call successors, (158) [2024-11-08 21:26:33,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 853 transitions. [2024-11-08 21:26:33,882 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 853 transitions. Word has length 307 [2024-11-08 21:26:33,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:26:33,883 INFO L471 AbstractCegarLoop]: Abstraction has 543 states and 853 transitions. [2024-11-08 21:26:33,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.0) internal successors, (60), 12 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-08 21:26:33,883 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 853 transitions. [2024-11-08 21:26:33,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-11-08 21:26:33,885 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:26:33,885 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:26:33,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 21:26:33,886 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:26:33,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:26:33,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1806476433, now seen corresponding path program 1 times [2024-11-08 21:26:33,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:26:33,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510180227] [2024-11-08 21:26:33,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:26:33,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:26:33,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:26:40,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:26:40,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:26:40,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:26:40,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:26:40,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:26:40,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:26:40,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:26:40,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:26:40,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:26:40,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:26:40,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:26:40,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 21:26:40,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:26:40,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 21:26:40,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:26:40,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 21:26:40,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:26:40,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 21:26:40,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:26:40,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 21:26:40,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:26:40,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 21:26:40,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:26:40,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 21:26:40,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:26:40,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 21:26:40,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:26:40,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 21:26:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:26:40,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 21:26:40,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 21:26:40,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 21:26:40,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 21:26:40,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-08 21:26:40,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-08 21:26:40,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-08 21:26:40,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-08 21:26:40,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-08 21:26:40,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-08 21:26:40,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-08 21:26:40,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-08 21:26:40,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-08 21:26:40,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-08 21:26:40,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-08 21:26:40,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-08 21:26:40,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-08 21:26:40,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-08 21:26:40,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-08 21:26:40,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-08 21:26:40,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:40,637 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-08 21:26:40,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:26:40,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510180227] [2024-11-08 21:26:40,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510180227] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:26:40,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:26:40,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 21:26:40,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777431507] [2024-11-08 21:26:40,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:26:40,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 21:26:40,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:26:40,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 21:26:40,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-08 21:26:40,640 INFO L87 Difference]: Start difference. First operand 543 states and 853 transitions. Second operand has 11 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-08 21:26:43,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:26:43,070 INFO L93 Difference]: Finished difference Result 1221 states and 1933 transitions. [2024-11-08 21:26:43,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 21:26:43,072 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 307 [2024-11-08 21:26:43,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:26:43,078 INFO L225 Difference]: With dead ends: 1221 [2024-11-08 21:26:43,078 INFO L226 Difference]: Without dead ends: 837 [2024-11-08 21:26:43,080 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-11-08 21:26:43,082 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 472 mSDsluCounter, 866 mSDsCounter, 0 mSdLazyCounter, 624 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 472 SdHoareTripleChecker+Valid, 1053 SdHoareTripleChecker+Invalid, 777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 624 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-08 21:26:43,082 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [472 Valid, 1053 Invalid, 777 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 624 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-08 21:26:43,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2024-11-08 21:26:43,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 542. [2024-11-08 21:26:43,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 372 states have (on average 1.4381720430107527) internal successors, (535), 374 states have internal predecessors, (535), 158 states have call successors, (158), 11 states have call predecessors, (158), 11 states have return successors, (158), 156 states have call predecessors, (158), 158 states have call successors, (158) [2024-11-08 21:26:43,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 851 transitions. [2024-11-08 21:26:43,154 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 851 transitions. Word has length 307 [2024-11-08 21:26:43,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:26:43,154 INFO L471 AbstractCegarLoop]: Abstraction has 542 states and 851 transitions. [2024-11-08 21:26:43,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-08 21:26:43,155 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 851 transitions. [2024-11-08 21:26:43,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-11-08 21:26:43,157 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:26:43,157 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:26:43,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 21:26:43,157 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:26:43,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:26:43,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1602629325, now seen corresponding path program 1 times [2024-11-08 21:26:43,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:26:43,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433997966] [2024-11-08 21:26:43,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:26:43,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:26:43,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:26:43,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:26:43,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:26:43,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:26:43,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:26:43,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:26:43,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:26:43,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:26:43,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:26:43,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:26:43,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:26:43,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:26:43,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 21:26:43,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:26:43,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 21:26:43,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:26:43,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 21:26:43,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:26:43,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 21:26:43,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:26:43,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 21:26:43,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:26:43,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 21:26:43,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:26:43,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 21:26:43,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:26:43,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 21:26:43,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:26:43,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 21:26:43,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:26:43,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 21:26:43,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 21:26:43,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 21:26:43,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 21:26:43,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-08 21:26:43,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-08 21:26:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-08 21:26:43,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-08 21:26:43,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-08 21:26:43,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-08 21:26:43,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-08 21:26:43,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-08 21:26:43,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-08 21:26:43,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-08 21:26:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-08 21:26:43,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-08 21:26:43,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-08 21:26:43,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-08 21:26:43,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-08 21:26:43,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-08 21:26:43,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:43,959 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-08 21:26:43,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:26:43,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433997966] [2024-11-08 21:26:43,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433997966] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:26:43,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:26:43,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 21:26:43,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915851785] [2024-11-08 21:26:43,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:26:43,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 21:26:43,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:26:43,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 21:26:43,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 21:26:43,962 INFO L87 Difference]: Start difference. First operand 542 states and 851 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-08 21:26:44,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:26:44,567 INFO L93 Difference]: Finished difference Result 1073 states and 1695 transitions. [2024-11-08 21:26:44,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 21:26:44,569 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 307 [2024-11-08 21:26:44,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:26:44,573 INFO L225 Difference]: With dead ends: 1073 [2024-11-08 21:26:44,574 INFO L226 Difference]: Without dead ends: 689 [2024-11-08 21:26:44,576 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 103 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 21:26:44,576 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 185 mSDsluCounter, 677 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 877 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 21:26:44,576 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 877 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 21:26:44,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2024-11-08 21:26:44,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 540. [2024-11-08 21:26:44,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 370 states have (on average 1.4378378378378378) internal successors, (532), 372 states have internal predecessors, (532), 158 states have call successors, (158), 11 states have call predecessors, (158), 11 states have return successors, (158), 156 states have call predecessors, (158), 158 states have call successors, (158) [2024-11-08 21:26:44,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 848 transitions. [2024-11-08 21:26:44,648 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 848 transitions. Word has length 307 [2024-11-08 21:26:44,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:26:44,649 INFO L471 AbstractCegarLoop]: Abstraction has 540 states and 848 transitions. [2024-11-08 21:26:44,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-08 21:26:44,649 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 848 transitions. [2024-11-08 21:26:44,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2024-11-08 21:26:44,651 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:26:44,651 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:26:44,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 21:26:44,651 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:26:44,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:26:44,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1029447820, now seen corresponding path program 1 times [2024-11-08 21:26:44,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:26:44,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934104206] [2024-11-08 21:26:44,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:26:44,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:26:44,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:26:50,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:26:50,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:26:50,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:26:50,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:26:50,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:26:50,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:26:50,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:26:50,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:26:50,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:26:50,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:26:50,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:26:50,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 21:26:50,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:26:50,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 21:26:50,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:26:50,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 21:26:50,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:26:50,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 21:26:50,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:26:50,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 21:26:50,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:26:50,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 21:26:50,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:26:50,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 21:26:50,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:26:50,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 21:26:50,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:26:50,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 21:26:50,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:26:50,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 21:26:50,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 21:26:50,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-08 21:26:50,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-08 21:26:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-08 21:26:50,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-08 21:26:50,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-08 21:26:50,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-08 21:26:50,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-08 21:26:50,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-08 21:26:50,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-08 21:26:50,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-08 21:26:50,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-08 21:26:50,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-08 21:26:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-08 21:26:50,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-08 21:26:50,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-08 21:26:50,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-08 21:26:50,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-08 21:26:50,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-08 21:26:50,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:26:50,871 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-08 21:26:50,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:26:50,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934104206] [2024-11-08 21:26:50,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934104206] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:26:50,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:26:50,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-08 21:26:50,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788826703] [2024-11-08 21:26:50,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:26:50,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 21:26:50,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:26:50,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 21:26:50,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-08 21:26:50,874 INFO L87 Difference]: Start difference. First operand 540 states and 848 transitions. Second operand has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 13 states have internal predecessors, (61), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) [2024-11-08 21:26:53,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:26:53,010 INFO L93 Difference]: Finished difference Result 1506 states and 2400 transitions. [2024-11-08 21:26:53,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 21:26:53,011 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 13 states have internal predecessors, (61), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) Word has length 308 [2024-11-08 21:26:53,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:26:53,018 INFO L225 Difference]: With dead ends: 1506 [2024-11-08 21:26:53,018 INFO L226 Difference]: Without dead ends: 1122 [2024-11-08 21:26:53,020 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=118, Invalid=388, Unknown=0, NotChecked=0, Total=506 [2024-11-08 21:26:53,021 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 1058 mSDsluCounter, 1346 mSDsCounter, 0 mSdLazyCounter, 757 mSolverCounterSat, 202 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1058 SdHoareTripleChecker+Valid, 1585 SdHoareTripleChecker+Invalid, 959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 202 IncrementalHoareTripleChecker+Valid, 757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 21:26:53,021 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1058 Valid, 1585 Invalid, 959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [202 Valid, 757 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]