./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-34.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-ps-co_file-34.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 fab5880c6add66d25f9dda30d1a24e14051ec77fdefc3f83f67a5e43bacfe3df --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 22:36:06,383 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:36:06,435 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 22:36:06,439 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:36:06,440 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 22:36:06,458 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:36:06,458 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 22:36:06,458 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 22:36:06,459 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 22:36:06,459 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 22:36:06,459 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:36:06,460 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 22:36:06,460 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:36:06,460 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:36:06,460 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 22:36:06,461 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:36:06,461 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:36:06,461 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:36:06,462 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:36:06,462 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:36:06,462 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:36:06,463 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:36:06,463 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:36:06,464 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:36:06,464 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:36:06,464 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:36:06,464 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:36:06,464 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:36:06,465 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:36:06,465 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 22:36:06,465 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 22:36:06,465 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 22:36:06,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 22:36:06,466 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:36:06,466 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:36:06,466 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:36:06,467 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 22:36:06,467 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:36:06,467 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 22:36:06,467 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 22:36:06,468 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 22:36:06,468 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 22:36:06,468 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fab5880c6add66d25f9dda30d1a24e14051ec77fdefc3f83f67a5e43bacfe3df [2024-11-08 22:36:06,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:36:06,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:36:06,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:36:06,708 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:36:06,708 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:36:06,709 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-34.i [2024-11-08 22:36:08,004 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:36:08,198 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:36:08,198 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-34.i [2024-11-08 22:36:08,207 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1f086e81/d62aa044548b46cdbc7411348817c1e2/FLAGa0b3cc0eb [2024-11-08 22:36:08,219 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1f086e81/d62aa044548b46cdbc7411348817c1e2 [2024-11-08 22:36:08,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:36:08,222 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:36:08,224 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:36:08,224 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:36:08,228 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:36:08,229 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:36:08" (1/1) ... [2024-11-08 22:36:08,230 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25fe576e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:08, skipping insertion in model container [2024-11-08 22:36:08,230 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:36:08" (1/1) ... [2024-11-08 22:36:08,263 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:36:08,437 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-ps-co_file-34.i[919,932] [2024-11-08 22:36:08,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:36:08,538 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:36:08,549 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-ps-co_file-34.i[919,932] [2024-11-08 22:36:08,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:36:08,606 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:36:08,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:08 WrapperNode [2024-11-08 22:36:08,607 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:36:08,608 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:36:08,608 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:36:08,608 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:36:08,614 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:08" (1/1) ... [2024-11-08 22:36:08,628 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:08" (1/1) ... [2024-11-08 22:36:08,664 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 248 [2024-11-08 22:36:08,665 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:36:08,666 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:36:08,666 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:36:08,668 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:36:08,678 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:08" (1/1) ... [2024-11-08 22:36:08,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:08" (1/1) ... [2024-11-08 22:36:08,682 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:08" (1/1) ... [2024-11-08 22:36:08,700 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 22:36:08,701 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:08" (1/1) ... [2024-11-08 22:36:08,701 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:08" (1/1) ... [2024-11-08 22:36:08,716 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:08" (1/1) ... [2024-11-08 22:36:08,720 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:08" (1/1) ... [2024-11-08 22:36:08,722 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:08" (1/1) ... [2024-11-08 22:36:08,724 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:08" (1/1) ... [2024-11-08 22:36:08,727 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:36:08,728 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:36:08,728 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:36:08,728 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:36:08,729 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:08" (1/1) ... [2024-11-08 22:36:08,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 22:36:08,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 22:36:08,762 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 22:36:08,765 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 22:36:08,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:36:08,803 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 22:36:08,803 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 22:36:08,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 22:36:08,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:36:08,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:36:08,886 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:36:08,888 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:36:09,243 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-08 22:36:09,243 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:36:09,258 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:36:09,259 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:36:09,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:36:09 BoogieIcfgContainer [2024-11-08 22:36:09,259 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:36:09,261 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 22:36:09,261 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 22:36:09,264 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 22:36:09,264 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 10:36:08" (1/3) ... [2024-11-08 22:36:09,266 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a97a239 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 10:36:09, skipping insertion in model container [2024-11-08 22:36:09,266 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:08" (2/3) ... [2024-11-08 22:36:09,266 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a97a239 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 10:36:09, skipping insertion in model container [2024-11-08 22:36:09,266 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:36:09" (3/3) ... [2024-11-08 22:36:09,268 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-34.i [2024-11-08 22:36:09,282 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 22:36:09,282 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 22:36:09,345 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 22:36:09,351 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;@39055b27, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 22:36:09,351 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 22:36:09,355 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 73 states have (on average 1.4931506849315068) internal successors, (109), 74 states have internal predecessors, (109), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-08 22:36:09,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-08 22:36:09,367 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:36:09,368 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:36:09,368 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:36:09,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:36:09,374 INFO L85 PathProgramCache]: Analyzing trace with hash -558081827, now seen corresponding path program 1 times [2024-11-08 22:36:09,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:36:09,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805390953] [2024-11-08 22:36:09,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:36:09,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:09,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:36:09,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 22:36:09,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-08 22:36:09,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 22:36:09,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 22:36:09,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 22:36:09,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 22:36:09,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 22:36:09,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 22:36:09,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 22:36:09,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 22:36:09,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 22:36:09,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 22:36:09,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 22:36:09,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:36:09,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 22:36:09,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 22:36:09,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 22:36:09,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 22:36:09,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 22:36:09,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 22:36:09,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 22:36:09,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 22:36:09,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-08 22:36:09,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 22:36:09,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 22:36:09,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 22:36:09,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:09,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 22:36:09,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:36:09,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805390953] [2024-11-08 22:36:09,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805390953] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:36:09,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:36:09,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 22:36:09,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732698159] [2024-11-08 22:36:09,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:36:09,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 22:36:09,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:36:09,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 22:36:09,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 22:36:09,887 INFO L87 Difference]: Start difference. First operand has 103 states, 73 states have (on average 1.4931506849315068) internal successors, (109), 74 states have internal predecessors, (109), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-08 22:36:09,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:36:09,940 INFO L93 Difference]: Finished difference Result 199 states and 347 transitions. [2024-11-08 22:36:09,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 22:36:09,955 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) Word has length 179 [2024-11-08 22:36:09,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:36:09,971 INFO L225 Difference]: With dead ends: 199 [2024-11-08 22:36:09,971 INFO L226 Difference]: Without dead ends: 99 [2024-11-08 22:36:09,977 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 83 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 22:36:09,995 INFO L432 NwaCegarLoop]: 156 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, 156 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 22:36:10,000 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 22:36:10,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-08 22:36:10,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2024-11-08 22:36:10,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 70 states have (on average 1.457142857142857) internal successors, (102), 70 states have internal predecessors, (102), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-08 22:36:10,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 156 transitions. [2024-11-08 22:36:10,057 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 156 transitions. Word has length 179 [2024-11-08 22:36:10,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:36:10,058 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 156 transitions. [2024-11-08 22:36:10,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-08 22:36:10,058 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 156 transitions. [2024-11-08 22:36:10,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-08 22:36:10,062 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:36:10,062 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:36:10,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 22:36:10,063 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:36:10,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:36:10,064 INFO L85 PathProgramCache]: Analyzing trace with hash -14833821, now seen corresponding path program 1 times [2024-11-08 22:36:10,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:36:10,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89549483] [2024-11-08 22:36:10,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:36:10,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:10,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:10,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:36:10,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:10,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 22:36:10,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:10,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-08 22:36:10,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:10,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 22:36:10,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:10,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 22:36:10,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:10,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 22:36:10,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:10,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 22:36:10,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:10,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 22:36:10,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:10,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 22:36:10,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:10,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 22:36:10,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:10,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 22:36:10,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:10,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 22:36:10,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:10,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 22:36:10,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:10,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 22:36:10,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:10,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:36:10,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:10,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 22:36:10,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:10,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 22:36:10,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:10,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 22:36:10,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:10,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 22:36:10,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:10,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 22:36:10,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:10,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 22:36:10,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:10,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 22:36:10,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:10,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 22:36:10,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:10,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-08 22:36:10,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:10,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 22:36:10,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:10,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 22:36:10,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:10,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 22:36:10,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:10,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 22:36:10,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:36:10,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89549483] [2024-11-08 22:36:10,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89549483] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:36:10,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:36:10,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 22:36:10,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224409675] [2024-11-08 22:36:10,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:36:10,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 22:36:10,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:36:10,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 22:36:10,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 22:36:10,599 INFO L87 Difference]: Start difference. First operand 99 states and 156 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 22:36:10,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:36:10,839 INFO L93 Difference]: Finished difference Result 321 states and 507 transitions. [2024-11-08 22:36:10,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 22:36:10,844 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 179 [2024-11-08 22:36:10,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:36:10,847 INFO L225 Difference]: With dead ends: 321 [2024-11-08 22:36:10,847 INFO L226 Difference]: Without dead ends: 225 [2024-11-08 22:36:10,850 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 22:36:10,851 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 168 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 22:36:10,851 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 486 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 22:36:10,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-11-08 22:36:10,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 195. [2024-11-08 22:36:10,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 138 states have (on average 1.4565217391304348) internal successors, (201), 138 states have internal predecessors, (201), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-08 22:36:10,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 309 transitions. [2024-11-08 22:36:10,893 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 309 transitions. Word has length 179 [2024-11-08 22:36:10,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:36:10,894 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 309 transitions. [2024-11-08 22:36:10,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 22:36:10,894 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 309 transitions. [2024-11-08 22:36:10,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-08 22:36:10,898 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:36:10,898 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:36:10,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 22:36:10,899 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:36:10,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:36:10,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1320105348, now seen corresponding path program 1 times [2024-11-08 22:36:10,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:36:10,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244842367] [2024-11-08 22:36:10,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:36:10,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:10,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:36:11,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 22:36:11,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-08 22:36:11,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 22:36:11,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 22:36:11,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 22:36:11,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 22:36:11,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 22:36:11,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 22:36:11,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 22:36:11,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 22:36:11,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 22:36:11,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 22:36:11,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 22:36:11,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:36:11,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 22:36:11,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 22:36:11,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 22:36:11,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 22:36:11,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 22:36:11,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 22:36:11,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 22:36:11,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 22:36:11,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-08 22:36:11,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 22:36:11,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 22:36:11,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 22:36:11,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:11,319 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 22:36:11,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:36:11,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244842367] [2024-11-08 22:36:11,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244842367] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:36:11,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:36:11,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 22:36:11,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388443608] [2024-11-08 22:36:11,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:36:11,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 22:36:11,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:36:11,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 22:36:11,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 22:36:11,325 INFO L87 Difference]: Start difference. First operand 195 states and 309 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 22:36:11,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:36:11,643 INFO L93 Difference]: Finished difference Result 574 states and 910 transitions. [2024-11-08 22:36:11,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 22:36:11,643 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 180 [2024-11-08 22:36:11,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:36:11,646 INFO L225 Difference]: With dead ends: 574 [2024-11-08 22:36:11,646 INFO L226 Difference]: Without dead ends: 382 [2024-11-08 22:36:11,647 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-08 22:36:11,648 INFO L432 NwaCegarLoop]: 267 mSDtfsCounter, 206 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 22:36:11,648 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 513 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 22:36:11,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2024-11-08 22:36:11,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 199. [2024-11-08 22:36:11,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 142 states have (on average 1.443661971830986) internal successors, (205), 142 states have internal predecessors, (205), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-08 22:36:11,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 313 transitions. [2024-11-08 22:36:11,673 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 313 transitions. Word has length 180 [2024-11-08 22:36:11,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:36:11,673 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 313 transitions. [2024-11-08 22:36:11,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 22:36:11,674 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 313 transitions. [2024-11-08 22:36:11,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-08 22:36:11,675 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:36:11,675 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:36:11,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 22:36:11,675 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:36:11,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:36:11,676 INFO L85 PathProgramCache]: Analyzing trace with hash 845962460, now seen corresponding path program 1 times [2024-11-08 22:36:11,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:36:11,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390401501] [2024-11-08 22:36:11,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:36:11,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:11,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:13,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:36:13,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:13,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 22:36:13,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:13,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-08 22:36:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:13,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 22:36:13,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:13,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 22:36:13,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:13,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 22:36:13,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:14,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 22:36:14,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:14,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 22:36:14,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:14,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 22:36:14,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:14,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 22:36:14,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:14,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 22:36:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:14,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 22:36:14,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:14,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 22:36:14,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:14,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 22:36:14,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:14,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:36:14,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:14,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 22:36:14,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:14,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 22:36:14,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:14,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 22:36:14,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:14,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 22:36:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:14,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 22:36:14,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:14,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 22:36:14,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:14,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 22:36:14,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:14,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 22:36:14,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:14,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-08 22:36:14,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:14,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 22:36:14,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:14,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 22:36:14,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:14,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 22:36:14,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:14,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 22:36:14,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:36:14,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390401501] [2024-11-08 22:36:14,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390401501] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:36:14,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:36:14,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 22:36:14,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443243554] [2024-11-08 22:36:14,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:36:14,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 22:36:14,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:36:14,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 22:36:14,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 22:36:14,219 INFO L87 Difference]: Start difference. First operand 199 states and 313 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 22:36:14,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:36:14,839 INFO L93 Difference]: Finished difference Result 588 states and 915 transitions. [2024-11-08 22:36:14,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 22:36:14,840 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 181 [2024-11-08 22:36:14,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:36:14,842 INFO L225 Difference]: With dead ends: 588 [2024-11-08 22:36:14,842 INFO L226 Difference]: Without dead ends: 392 [2024-11-08 22:36:14,843 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-08 22:36:14,844 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 210 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 22:36:14,844 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 496 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 22:36:14,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2024-11-08 22:36:14,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 278. [2024-11-08 22:36:14,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 193 states have (on average 1.4352331606217616) internal successors, (277), 193 states have internal predecessors, (277), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-08 22:36:14,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 439 transitions. [2024-11-08 22:36:14,889 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 439 transitions. Word has length 181 [2024-11-08 22:36:14,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:36:14,889 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 439 transitions. [2024-11-08 22:36:14,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 22:36:14,890 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 439 transitions. [2024-11-08 22:36:14,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-08 22:36:14,891 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:36:14,891 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:36:14,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 22:36:14,891 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:36:14,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:36:14,892 INFO L85 PathProgramCache]: Analyzing trace with hash 2116095531, now seen corresponding path program 1 times [2024-11-08 22:36:14,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:36:14,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813887183] [2024-11-08 22:36:14,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:36:14,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:15,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:20,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:36:20,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:20,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 22:36:20,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:20,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-08 22:36:20,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:20,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 22:36:20,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:20,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 22:36:20,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:20,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 22:36:20,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:20,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 22:36:20,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:20,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 22:36:20,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:20,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 22:36:20,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:21,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 22:36:21,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:21,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 22:36:21,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:21,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 22:36:21,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:21,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 22:36:21,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:21,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 22:36:21,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:21,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:36:21,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:21,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 22:36:21,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:21,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 22:36:21,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:21,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 22:36:21,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:21,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 22:36:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:21,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 22:36:21,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:21,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 22:36:21,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:21,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 22:36:21,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:21,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 22:36:21,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:21,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-08 22:36:21,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:21,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 22:36:21,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:21,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 22:36:21,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:21,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 22:36:21,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:21,117 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 22:36:21,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:36:21,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813887183] [2024-11-08 22:36:21,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813887183] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:36:21,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:36:21,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-08 22:36:21,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213344159] [2024-11-08 22:36:21,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:36:21,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 22:36:21,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:36:21,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 22:36:21,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-08 22:36:21,119 INFO L87 Difference]: Start difference. First operand 278 states and 439 transitions. Second operand has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 22:36:23,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:36:23,187 INFO L93 Difference]: Finished difference Result 718 states and 1092 transitions. [2024-11-08 22:36:23,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 22:36:23,188 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 181 [2024-11-08 22:36:23,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:36:23,191 INFO L225 Difference]: With dead ends: 718 [2024-11-08 22:36:23,191 INFO L226 Difference]: Without dead ends: 505 [2024-11-08 22:36:23,192 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=141, Invalid=411, Unknown=0, NotChecked=0, Total=552 [2024-11-08 22:36:23,193 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 677 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 900 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 677 SdHoareTripleChecker+Valid, 675 SdHoareTripleChecker+Invalid, 997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 900 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 22:36:23,193 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [677 Valid, 675 Invalid, 997 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 900 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 22:36:23,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2024-11-08 22:36:23,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 351. [2024-11-08 22:36:23,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 266 states have (on average 1.4360902255639099) internal successors, (382), 266 states have internal predecessors, (382), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-08 22:36:23,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 544 transitions. [2024-11-08 22:36:23,224 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 544 transitions. Word has length 181 [2024-11-08 22:36:23,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:36:23,224 INFO L471 AbstractCegarLoop]: Abstraction has 351 states and 544 transitions. [2024-11-08 22:36:23,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 22:36:23,225 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 544 transitions. [2024-11-08 22:36:23,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-08 22:36:23,226 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:36:23,226 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:36:23,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 22:36:23,226 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:36:23,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:36:23,227 INFO L85 PathProgramCache]: Analyzing trace with hash -403864403, now seen corresponding path program 1 times [2024-11-08 22:36:23,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:36:23,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178338943] [2024-11-08 22:36:23,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:36:23,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:23,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:25,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:36:25,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:25,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 22:36:25,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:25,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-08 22:36:25,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:25,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 22:36:25,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:25,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 22:36:25,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:25,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 22:36:25,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:25,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 22:36:25,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:25,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 22:36:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:25,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 22:36:25,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:25,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 22:36:25,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:25,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 22:36:25,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:25,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 22:36:25,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:25,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 22:36:25,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:25,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 22:36:25,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:25,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:36:25,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:25,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 22:36:25,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:25,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 22:36:25,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:25,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 22:36:25,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:25,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 22:36:25,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:25,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 22:36:25,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:25,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 22:36:25,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:25,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 22:36:25,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:25,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 22:36:25,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:25,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-08 22:36:25,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:25,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 22:36:25,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:25,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 22:36:25,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:25,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 22:36:25,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:25,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 22:36:25,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:36:25,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178338943] [2024-11-08 22:36:25,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178338943] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:36:25,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:36:25,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 22:36:25,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193824056] [2024-11-08 22:36:25,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:36:25,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 22:36:25,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:36:25,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 22:36:25,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-08 22:36:25,222 INFO L87 Difference]: Start difference. First operand 351 states and 544 transitions. Second operand has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 22:36:26,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:36:26,190 INFO L93 Difference]: Finished difference Result 774 states and 1190 transitions. [2024-11-08 22:36:26,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 22:36:26,190 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 181 [2024-11-08 22:36:26,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:36:26,193 INFO L225 Difference]: With dead ends: 774 [2024-11-08 22:36:26,194 INFO L226 Difference]: Without dead ends: 562 [2024-11-08 22:36:26,195 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-11-08 22:36:26,195 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 406 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 22:36:26,196 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [406 Valid, 492 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 22:36:26,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2024-11-08 22:36:26,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 396. [2024-11-08 22:36:26,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 311 states have (on average 1.4244372990353698) internal successors, (443), 311 states have internal predecessors, (443), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-08 22:36:26,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 605 transitions. [2024-11-08 22:36:26,228 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 605 transitions. Word has length 181 [2024-11-08 22:36:26,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:36:26,228 INFO L471 AbstractCegarLoop]: Abstraction has 396 states and 605 transitions. [2024-11-08 22:36:26,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 22:36:26,228 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 605 transitions. [2024-11-08 22:36:26,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-08 22:36:26,230 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:36:26,230 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:36:26,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 22:36:26,230 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:36:26,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:36:26,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1498813395, now seen corresponding path program 1 times [2024-11-08 22:36:26,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:36:26,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268994996] [2024-11-08 22:36:26,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:36:26,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:26,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:28,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:36:28,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:28,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 22:36:28,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:28,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-08 22:36:28,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:28,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 22:36:28,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:28,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 22:36:28,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:28,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 22:36:28,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:28,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 22:36:28,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:28,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 22:36:28,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:28,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 22:36:28,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:28,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 22:36:28,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:28,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 22:36:28,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:28,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 22:36:28,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:28,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 22:36:28,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:28,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 22:36:28,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:28,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:36:28,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:28,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 22:36:28,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:28,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 22:36:28,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:28,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 22:36:28,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:28,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 22:36:28,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:28,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 22:36:28,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:28,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 22:36:28,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:28,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 22:36:28,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:28,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 22:36:28,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:28,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-08 22:36:28,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:28,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 22:36:28,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:28,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 22:36:28,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:28,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 22:36:28,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:28,311 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 22:36:28,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:36:28,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268994996] [2024-11-08 22:36:28,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268994996] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:36:28,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:36:28,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 22:36:28,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222181330] [2024-11-08 22:36:28,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:36:28,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 22:36:28,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:36:28,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 22:36:28,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-08 22:36:28,313 INFO L87 Difference]: Start difference. First operand 396 states and 605 transitions. Second operand has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 22:36:29,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:36:29,249 INFO L93 Difference]: Finished difference Result 746 states and 1132 transitions. [2024-11-08 22:36:29,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 22:36:29,251 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 181 [2024-11-08 22:36:29,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:36:29,257 INFO L225 Difference]: With dead ends: 746 [2024-11-08 22:36:29,257 INFO L226 Difference]: Without dead ends: 532 [2024-11-08 22:36:29,258 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-11-08 22:36:29,258 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 322 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 22:36:29,258 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 560 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 568 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 22:36:29,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2024-11-08 22:36:29,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 416. [2024-11-08 22:36:29,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 331 states have (on average 1.4350453172205437) internal successors, (475), 331 states have internal predecessors, (475), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-08 22:36:29,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 637 transitions. [2024-11-08 22:36:29,283 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 637 transitions. Word has length 181 [2024-11-08 22:36:29,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:36:29,283 INFO L471 AbstractCegarLoop]: Abstraction has 416 states and 637 transitions. [2024-11-08 22:36:29,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 22:36:29,283 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 637 transitions. [2024-11-08 22:36:29,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-08 22:36:29,285 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:36:29,285 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:36:29,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 22:36:29,285 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:36:29,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:36:29,285 INFO L85 PathProgramCache]: Analyzing trace with hash -165154790, now seen corresponding path program 1 times [2024-11-08 22:36:29,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:36:29,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679613957] [2024-11-08 22:36:29,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:36:29,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:29,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:29,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:36:29,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:29,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 22:36:29,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:29,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-08 22:36:29,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:29,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 22:36:29,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:29,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 22:36:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:29,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 22:36:29,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:29,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 22:36:29,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:29,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 22:36:29,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:29,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 22:36:29,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:29,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 22:36:29,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:29,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 22:36:29,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:29,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 22:36:29,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:29,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 22:36:29,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:29,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 22:36:29,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:29,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:36:29,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:29,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 22:36:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:29,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 22:36:29,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:29,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 22:36:29,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:29,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 22:36:29,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:29,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 22:36:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:29,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 22:36:29,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:29,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 22:36:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:29,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 22:36:29,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:29,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-08 22:36:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:29,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 22:36:29,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:29,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 22:36:29,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:29,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 22:36:29,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:29,638 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 22:36:29,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:36:29,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679613957] [2024-11-08 22:36:29,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679613957] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:36:29,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:36:29,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 22:36:29,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858296058] [2024-11-08 22:36:29,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:36:29,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 22:36:29,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:36:29,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 22:36:29,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 22:36:29,641 INFO L87 Difference]: Start difference. First operand 416 states and 637 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 22:36:29,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:36:29,856 INFO L93 Difference]: Finished difference Result 672 states and 1032 transitions. [2024-11-08 22:36:29,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 22:36:29,856 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 181 [2024-11-08 22:36:29,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:36:29,858 INFO L225 Difference]: With dead ends: 672 [2024-11-08 22:36:29,858 INFO L226 Difference]: Without dead ends: 416 [2024-11-08 22:36:29,859 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 22:36:29,860 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 120 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 22:36:29,860 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 377 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 22:36:29,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2024-11-08 22:36:29,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 388. [2024-11-08 22:36:29,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 303 states have (on average 1.4026402640264026) internal successors, (425), 303 states have internal predecessors, (425), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-08 22:36:29,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 587 transitions. [2024-11-08 22:36:29,900 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 587 transitions. Word has length 181 [2024-11-08 22:36:29,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:36:29,901 INFO L471 AbstractCegarLoop]: Abstraction has 388 states and 587 transitions. [2024-11-08 22:36:29,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 22:36:29,901 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 587 transitions. [2024-11-08 22:36:29,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-08 22:36:29,902 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:36:29,902 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:36:29,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 22:36:29,902 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:36:29,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:36:29,903 INFO L85 PathProgramCache]: Analyzing trace with hash 443906289, now seen corresponding path program 1 times [2024-11-08 22:36:29,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:36:29,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166625084] [2024-11-08 22:36:29,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:36:29,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:29,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:32,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:36:32,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:32,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 22:36:32,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:32,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-08 22:36:32,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:32,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 22:36:32,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:32,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 22:36:32,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:32,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 22:36:32,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:32,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 22:36:32,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:32,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 22:36:32,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:32,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 22:36:32,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:32,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 22:36:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:32,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 22:36:32,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:32,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 22:36:32,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:32,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 22:36:32,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:32,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 22:36:32,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:32,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:36:32,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:32,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 22:36:32,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:32,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 22:36:32,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:32,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 22:36:32,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:32,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 22:36:32,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:32,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 22:36:32,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:32,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 22:36:32,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:32,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 22:36:32,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:32,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 22:36:32,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:32,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-08 22:36:32,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:32,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 22:36:32,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:32,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 22:36:32,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:32,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 22:36:32,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:32,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 22:36:32,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:36:32,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166625084] [2024-11-08 22:36:32,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166625084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:36:32,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:36:32,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 22:36:32,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484218370] [2024-11-08 22:36:32,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:36:32,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 22:36:32,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:36:32,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 22:36:32,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-08 22:36:32,355 INFO L87 Difference]: Start difference. First operand 388 states and 587 transitions. Second operand has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 22:36:33,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:36:33,405 INFO L93 Difference]: Finished difference Result 769 states and 1149 transitions. [2024-11-08 22:36:33,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 22:36:33,405 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 182 [2024-11-08 22:36:33,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:36:33,408 INFO L225 Difference]: With dead ends: 769 [2024-11-08 22:36:33,408 INFO L226 Difference]: Without dead ends: 573 [2024-11-08 22:36:33,409 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2024-11-08 22:36:33,409 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 469 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 469 SdHoareTripleChecker+Valid, 679 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 22:36:33,409 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [469 Valid, 679 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 22:36:33,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2024-11-08 22:36:33,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 416. [2024-11-08 22:36:33,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 329 states have (on average 1.3829787234042554) internal successors, (455), 329 states have internal predecessors, (455), 81 states have call successors, (81), 5 states have call predecessors, (81), 5 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-08 22:36:33,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 617 transitions. [2024-11-08 22:36:33,443 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 617 transitions. Word has length 182 [2024-11-08 22:36:33,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:36:33,443 INFO L471 AbstractCegarLoop]: Abstraction has 416 states and 617 transitions. [2024-11-08 22:36:33,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 22:36:33,444 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 617 transitions. [2024-11-08 22:36:33,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-08 22:36:33,448 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:36:33,448 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:36:33,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 22:36:33,449 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:36:33,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:36:33,449 INFO L85 PathProgramCache]: Analyzing trace with hash 176093985, now seen corresponding path program 1 times [2024-11-08 22:36:33,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:36:33,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252709188] [2024-11-08 22:36:33,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:36:33,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:33,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:36,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:36:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:36,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 22:36:36,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:36,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-08 22:36:36,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:36,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 22:36:36,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:36,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 22:36:36,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:36,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 22:36:36,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:36,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 22:36:36,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:36,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 22:36:36,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:36,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 22:36:36,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:36,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 22:36:36,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:36,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 22:36:36,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:36,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 22:36:36,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:36,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 22:36:36,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:36,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 22:36:36,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:36,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:36:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:36,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 22:36:36,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:36,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 22:36:36,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:36,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 22:36:36,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:36,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 22:36:36,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:36,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 22:36:36,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:36,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 22:36:36,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:36,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 22:36:36,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:36,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 22:36:36,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:36,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-08 22:36:36,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:36,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 22:36:36,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:36,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 22:36:36,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:36,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 22:36:36,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:36,489 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 22:36:36,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:36:36,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252709188] [2024-11-08 22:36:36,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252709188] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:36:36,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:36:36,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-08 22:36:36,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019692735] [2024-11-08 22:36:36,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:36:36,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 22:36:36,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:36:36,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 22:36:36,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-08 22:36:36,492 INFO L87 Difference]: Start difference. First operand 416 states and 617 transitions. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 22:36:38,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:36:38,901 INFO L93 Difference]: Finished difference Result 1137 states and 1688 transitions. [2024-11-08 22:36:38,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 22:36:38,901 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 182 [2024-11-08 22:36:38,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:36:38,905 INFO L225 Difference]: With dead ends: 1137 [2024-11-08 22:36:38,905 INFO L226 Difference]: Without dead ends: 875 [2024-11-08 22:36:38,906 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=176, Invalid=376, Unknown=0, NotChecked=0, Total=552 [2024-11-08 22:36:38,907 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 577 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 804 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 662 SdHoareTripleChecker+Invalid, 852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 804 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 22:36:38,907 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [577 Valid, 662 Invalid, 852 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 804 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 22:36:38,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 875 states. [2024-11-08 22:36:38,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 875 to 711. [2024-11-08 22:36:38,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 711 states, 566 states have (on average 1.3939929328621907) internal successors, (789), 566 states have internal predecessors, (789), 135 states have call successors, (135), 9 states have call predecessors, (135), 9 states have return successors, (135), 135 states have call predecessors, (135), 135 states have call successors, (135) [2024-11-08 22:36:38,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 1059 transitions. [2024-11-08 22:36:38,948 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 1059 transitions. Word has length 182 [2024-11-08 22:36:38,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:36:38,949 INFO L471 AbstractCegarLoop]: Abstraction has 711 states and 1059 transitions. [2024-11-08 22:36:38,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 22:36:38,949 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 1059 transitions. [2024-11-08 22:36:38,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-08 22:36:38,950 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:36:38,950 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:36:38,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 22:36:38,950 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:36:38,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:36:38,951 INFO L85 PathProgramCache]: Analyzing trace with hash 856152355, now seen corresponding path program 1 times [2024-11-08 22:36:38,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:36:38,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128632715] [2024-11-08 22:36:38,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:36:38,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:39,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:42,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:36:42,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:42,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 22:36:42,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:42,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-08 22:36:42,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:42,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 22:36:42,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:42,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 22:36:42,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:42,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 22:36:42,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:42,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 22:36:42,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:42,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 22:36:42,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:43,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 22:36:43,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:43,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 22:36:43,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:43,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 22:36:43,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:43,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 22:36:43,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:43,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 22:36:43,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:43,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 22:36:43,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:43,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:36:43,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:43,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 22:36:43,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:43,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 22:36:43,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:43,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 22:36:43,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:43,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 22:36:43,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:43,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 22:36:43,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:43,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 22:36:43,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:43,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 22:36:43,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:43,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 22:36:43,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:43,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-08 22:36:43,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:43,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 22:36:43,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:43,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 22:36:43,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:43,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 22:36:43,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:43,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 22:36:43,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:36:43,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128632715] [2024-11-08 22:36:43,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128632715] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:36:43,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:36:43,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-08 22:36:43,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525825185] [2024-11-08 22:36:43,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:36:43,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 22:36:43,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:36:43,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 22:36:43,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-08 22:36:43,068 INFO L87 Difference]: Start difference. First operand 711 states and 1059 transitions. Second operand has 14 states, 14 states have (on average 3.5714285714285716) internal successors, (50), 14 states have internal predecessors, (50), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 22:36:44,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:36:44,497 INFO L93 Difference]: Finished difference Result 1338 states and 1973 transitions. [2024-11-08 22:36:44,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 22:36:44,498 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.5714285714285716) internal successors, (50), 14 states have internal predecessors, (50), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 182 [2024-11-08 22:36:44,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:36:44,502 INFO L225 Difference]: With dead ends: 1338 [2024-11-08 22:36:44,502 INFO L226 Difference]: Without dead ends: 811 [2024-11-08 22:36:44,504 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=137, Invalid=415, Unknown=0, NotChecked=0, Total=552 [2024-11-08 22:36:44,504 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 316 mSDsluCounter, 668 mSDsCounter, 0 mSdLazyCounter, 794 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 822 SdHoareTripleChecker+Invalid, 885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 22:36:44,505 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 822 Invalid, 885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 794 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 22:36:44,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2024-11-08 22:36:44,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 711. [2024-11-08 22:36:44,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 711 states, 566 states have (on average 1.392226148409894) internal successors, (788), 566 states have internal predecessors, (788), 135 states have call successors, (135), 9 states have call predecessors, (135), 9 states have return successors, (135), 135 states have call predecessors, (135), 135 states have call successors, (135) [2024-11-08 22:36:44,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 1058 transitions. [2024-11-08 22:36:44,557 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 1058 transitions. Word has length 182 [2024-11-08 22:36:44,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:36:44,557 INFO L471 AbstractCegarLoop]: Abstraction has 711 states and 1058 transitions. [2024-11-08 22:36:44,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.5714285714285716) internal successors, (50), 14 states have internal predecessors, (50), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 22:36:44,558 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 1058 transitions. [2024-11-08 22:36:44,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-08 22:36:44,558 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:36:44,558 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:36:44,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 22:36:44,559 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:36:44,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:36:44,559 INFO L85 PathProgramCache]: Analyzing trace with hash 965881430, now seen corresponding path program 1 times [2024-11-08 22:36:44,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:36:44,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479830392] [2024-11-08 22:36:44,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:36:44,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:44,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:51,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:36:51,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:51,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 22:36:51,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:51,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-08 22:36:51,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:51,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 22:36:51,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:51,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 22:36:51,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:51,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 22:36:51,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:51,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 22:36:51,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:51,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 22:36:51,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:51,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 22:36:51,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:51,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 22:36:51,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:51,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 22:36:51,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:51,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 22:36:51,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:51,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 22:36:51,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:51,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 22:36:51,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:51,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:36:51,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:51,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 22:36:51,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:51,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 22:36:51,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:51,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 22:36:51,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:51,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 22:36:51,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:51,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 22:36:51,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:51,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 22:36:51,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:51,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 22:36:51,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:51,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 22:36:51,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:51,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-08 22:36:51,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:51,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 22:36:51,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:51,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 22:36:51,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:51,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 22:36:51,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:51,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 22:36:51,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:36:51,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479830392] [2024-11-08 22:36:51,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479830392] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:36:51,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:36:51,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-08 22:36:51,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238441607] [2024-11-08 22:36:51,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:36:51,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-08 22:36:51,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:36:51,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 22:36:51,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-11-08 22:36:51,603 INFO L87 Difference]: Start difference. First operand 711 states and 1058 transitions. Second operand has 15 states, 15 states have (on average 3.4) internal successors, (51), 15 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 22:36:54,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:36:54,122 INFO L93 Difference]: Finished difference Result 1067 states and 1558 transitions. [2024-11-08 22:36:54,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 22:36:54,123 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.4) internal successors, (51), 15 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 183 [2024-11-08 22:36:54,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:36:54,126 INFO L225 Difference]: With dead ends: 1067 [2024-11-08 22:36:54,126 INFO L226 Difference]: Without dead ends: 855 [2024-11-08 22:36:54,127 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=167, Invalid=589, Unknown=0, NotChecked=0, Total=756 [2024-11-08 22:36:54,128 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 385 mSDsluCounter, 719 mSDsCounter, 0 mSdLazyCounter, 1108 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 833 SdHoareTripleChecker+Invalid, 1194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 1108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 22:36:54,128 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [385 Valid, 833 Invalid, 1194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 1108 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 22:36:54,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2024-11-08 22:36:54,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 703. [2024-11-08 22:36:54,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 703 states, 558 states have (on average 1.3942652329749103) internal successors, (778), 558 states have internal predecessors, (778), 135 states have call successors, (135), 9 states have call predecessors, (135), 9 states have return successors, (135), 135 states have call predecessors, (135), 135 states have call successors, (135) [2024-11-08 22:36:54,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 1048 transitions. [2024-11-08 22:36:54,171 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 1048 transitions. Word has length 183 [2024-11-08 22:36:54,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:36:54,171 INFO L471 AbstractCegarLoop]: Abstraction has 703 states and 1048 transitions. [2024-11-08 22:36:54,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.4) internal successors, (51), 15 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 22:36:54,172 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 1048 transitions. [2024-11-08 22:36:54,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-08 22:36:54,172 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:36:54,172 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:36:54,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 22:36:54,173 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:36:54,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:36:54,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1060884472, now seen corresponding path program 1 times [2024-11-08 22:36:54,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:36:54,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178593902] [2024-11-08 22:36:54,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:36:54,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:54,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:56,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:36:56,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:56,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 22:36:56,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:56,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-08 22:36:56,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:56,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 22:36:56,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:56,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 22:36:56,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:56,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 22:36:56,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:56,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 22:36:56,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:56,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 22:36:56,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:56,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 22:36:56,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:56,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 22:36:56,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:56,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 22:36:56,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:56,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 22:36:56,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:56,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 22:36:56,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:56,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 22:36:56,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:56,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:36:56,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:56,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 22:36:56,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:56,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 22:36:56,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:56,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 22:36:56,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:56,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 22:36:56,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:56,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 22:36:56,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:56,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 22:36:56,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:56,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 22:36:56,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:56,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 22:36:56,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:56,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-08 22:36:56,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:56,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 22:36:56,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:56,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 22:36:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:56,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 22:36:56,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:56,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 22:36:56,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:36:56,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178593902] [2024-11-08 22:36:56,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178593902] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:36:56,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:36:56,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 22:36:56,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487782560] [2024-11-08 22:36:56,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:36:56,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 22:36:56,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:36:56,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 22:36:56,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-11-08 22:36:56,921 INFO L87 Difference]: Start difference. First operand 703 states and 1048 transitions. Second operand has 12 states, 12 states have (on average 4.25) internal successors, (51), 12 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 22:37:00,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:37:00,911 INFO L93 Difference]: Finished difference Result 1581 states and 2347 transitions. [2024-11-08 22:37:00,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-08 22:37:00,914 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.25) internal successors, (51), 12 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 183 [2024-11-08 22:37:00,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:37:00,920 INFO L225 Difference]: With dead ends: 1581 [2024-11-08 22:37:00,920 INFO L226 Difference]: Without dead ends: 1119 [2024-11-08 22:37:00,921 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=151, Invalid=355, Unknown=0, NotChecked=0, Total=506 [2024-11-08 22:37:00,922 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 535 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 535 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 22:37:00,922 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [535 Valid, 505 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 22:37:00,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1119 states. [2024-11-08 22:37:00,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1119 to 721. [2024-11-08 22:37:00,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 721 states, 576 states have (on average 1.3923611111111112) internal successors, (802), 576 states have internal predecessors, (802), 135 states have call successors, (135), 9 states have call predecessors, (135), 9 states have return successors, (135), 135 states have call predecessors, (135), 135 states have call successors, (135) [2024-11-08 22:37:00,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 1072 transitions. [2024-11-08 22:37:00,967 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 1072 transitions. Word has length 183 [2024-11-08 22:37:00,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:37:00,968 INFO L471 AbstractCegarLoop]: Abstraction has 721 states and 1072 transitions. [2024-11-08 22:37:00,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.25) internal successors, (51), 12 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 22:37:00,968 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 1072 transitions. [2024-11-08 22:37:00,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-08 22:37:00,969 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:37:00,969 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:37:00,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 22:37:00,969 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:37:00,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:37:00,970 INFO L85 PathProgramCache]: Analyzing trace with hash 714122890, now seen corresponding path program 1 times [2024-11-08 22:37:00,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:37:00,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866776913] [2024-11-08 22:37:00,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:37:00,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:37:01,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:09,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:37:09,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:09,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 22:37:09,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:09,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-08 22:37:09,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:09,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 22:37:09,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:09,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 22:37:09,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:09,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 22:37:09,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:09,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 22:37:09,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:09,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 22:37:09,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:09,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 22:37:09,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:09,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 22:37:09,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:09,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 22:37:09,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:09,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 22:37:09,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:09,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 22:37:09,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:09,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 22:37:09,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:09,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:37:09,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:09,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 22:37:09,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:09,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 22:37:09,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:09,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 22:37:09,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:09,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 22:37:09,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:09,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 22:37:09,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:09,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 22:37:09,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:09,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 22:37:09,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:09,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 22:37:09,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:09,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-08 22:37:09,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:09,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 22:37:09,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:09,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 22:37:09,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:09,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 22:37:09,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:09,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 22:37:09,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:37:09,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866776913] [2024-11-08 22:37:09,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866776913] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:37:09,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:37:09,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-08 22:37:09,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186512722] [2024-11-08 22:37:09,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:37:09,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 22:37:09,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:37:09,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 22:37:09,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-08 22:37:09,583 INFO L87 Difference]: Start difference. First operand 721 states and 1072 transitions. Second operand has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 22:37:13,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:37:13,272 INFO L93 Difference]: Finished difference Result 1267 states and 1892 transitions. [2024-11-08 22:37:13,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 22:37:13,273 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 183 [2024-11-08 22:37:13,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:37:13,277 INFO L225 Difference]: With dead ends: 1267 [2024-11-08 22:37:13,278 INFO L226 Difference]: Without dead ends: 787 [2024-11-08 22:37:13,280 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=123, Invalid=429, Unknown=0, NotChecked=0, Total=552 [2024-11-08 22:37:13,281 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 306 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 1127 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 724 SdHoareTripleChecker+Invalid, 1217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 1127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-08 22:37:13,281 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 724 Invalid, 1217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 1127 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-08 22:37:13,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2024-11-08 22:37:13,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 737. [2024-11-08 22:37:13,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 737 states, 592 states have (on average 1.385135135135135) internal successors, (820), 592 states have internal predecessors, (820), 135 states have call successors, (135), 9 states have call predecessors, (135), 9 states have return successors, (135), 135 states have call predecessors, (135), 135 states have call successors, (135) [2024-11-08 22:37:13,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 1090 transitions. [2024-11-08 22:37:13,333 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 1090 transitions. Word has length 183 [2024-11-08 22:37:13,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:37:13,333 INFO L471 AbstractCegarLoop]: Abstraction has 737 states and 1090 transitions. [2024-11-08 22:37:13,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 22:37:13,333 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1090 transitions. [2024-11-08 22:37:13,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-08 22:37:13,334 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:37:13,334 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:37:13,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 22:37:13,335 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:37:13,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:37:13,335 INFO L85 PathProgramCache]: Analyzing trace with hash -380826102, now seen corresponding path program 1 times [2024-11-08 22:37:13,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:37:13,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918521192] [2024-11-08 22:37:13,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:37:13,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:37:13,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:16,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:37:16,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:16,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 22:37:16,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:16,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-08 22:37:16,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:16,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 22:37:16,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:16,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 22:37:16,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:16,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 22:37:16,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:16,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 22:37:16,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:16,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 22:37:16,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:16,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 22:37:16,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:16,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 22:37:16,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:16,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 22:37:16,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:16,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 22:37:16,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:16,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 22:37:16,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:16,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 22:37:16,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:16,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:37:16,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:16,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 22:37:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:16,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 22:37:16,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:16,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 22:37:16,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:16,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 22:37:16,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:16,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 22:37:16,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:16,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 22:37:16,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:16,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 22:37:16,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:16,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 22:37:16,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:16,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-08 22:37:16,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:16,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 22:37:16,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:16,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-08 22:37:16,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:16,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 22:37:16,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:16,670 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 22:37:16,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:37:16,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918521192] [2024-11-08 22:37:16,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918521192] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:37:16,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:37:16,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-08 22:37:16,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682224118] [2024-11-08 22:37:16,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:37:16,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 22:37:16,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:37:16,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 22:37:16,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-08 22:37:16,673 INFO L87 Difference]: Start difference. First operand 737 states and 1090 transitions. Second operand has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 22:37:19,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:37:19,642 INFO L93 Difference]: Finished difference Result 1800 states and 2609 transitions. [2024-11-08 22:37:19,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 22:37:19,643 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 183 [2024-11-08 22:37:19,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:37:19,648 INFO L225 Difference]: With dead ends: 1800 [2024-11-08 22:37:19,648 INFO L226 Difference]: Without dead ends: 1114 [2024-11-08 22:37:19,651 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=129, Invalid=423, Unknown=0, NotChecked=0, Total=552 [2024-11-08 22:37:19,652 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 437 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 1364 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 813 SdHoareTripleChecker+Invalid, 1461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 1364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-08 22:37:19,652 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [437 Valid, 813 Invalid, 1461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 1364 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-08 22:37:19,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2024-11-08 22:37:19,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 801. [2024-11-08 22:37:19,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 801 states, 656 states have (on average 1.3826219512195121) internal successors, (907), 656 states have internal predecessors, (907), 135 states have call successors, (135), 9 states have call predecessors, (135), 9 states have return successors, (135), 135 states have call predecessors, (135), 135 states have call successors, (135) [2024-11-08 22:37:19,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 1177 transitions. [2024-11-08 22:37:19,714 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 1177 transitions. Word has length 183 [2024-11-08 22:37:19,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:37:19,714 INFO L471 AbstractCegarLoop]: Abstraction has 801 states and 1177 transitions. [2024-11-08 22:37:19,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 22:37:19,715 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1177 transitions. [2024-11-08 22:37:19,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-08 22:37:19,716 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:37:19,716 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:37:19,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 22:37:19,716 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:37:19,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:37:19,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1394181260, now seen corresponding path program 1 times [2024-11-08 22:37:19,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:37:19,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386873364] [2024-11-08 22:37:19,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:37:19,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:37:19,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat