./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-9.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-9.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 8c719a907edd740487c94e158c335e04c63c8abfa905aa57ad8e2c1d74785261 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 19:56:28,938 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 19:56:28,995 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 19:56:29,000 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 19:56:29,001 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 19:56:29,025 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 19:56:29,027 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 19:56:29,027 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 19:56:29,028 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 19:56:29,028 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 19:56:29,028 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 19:56:29,029 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 19:56:29,029 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 19:56:29,031 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 19:56:29,031 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 19:56:29,032 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 19:56:29,032 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 19:56:29,032 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 19:56:29,032 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 19:56:29,033 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 19:56:29,033 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 19:56:29,033 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 19:56:29,036 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 19:56:29,037 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 19:56:29,037 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 19:56:29,037 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 19:56:29,037 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 19:56:29,038 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 19:56:29,038 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 19:56:29,038 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 19:56:29,038 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 19:56:29,038 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 19:56:29,038 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 19:56:29,039 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 19:56:29,039 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 19:56:29,039 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 19:56:29,039 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 19:56:29,039 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 19:56:29,039 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 19:56:29,040 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 19:56:29,040 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 19:56:29,040 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 19:56:29,041 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c719a907edd740487c94e158c335e04c63c8abfa905aa57ad8e2c1d74785261 [2024-11-18 19:56:29,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 19:56:29,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 19:56:29,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 19:56:29,339 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 19:56:29,339 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 19:56:29,340 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-9.i [2024-11-18 19:56:30,614 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 19:56:30,867 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 19:56:30,867 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-9.i [2024-11-18 19:56:30,879 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73458aded/ead1444087cf438caad9e58ad5fce9d7/FLAGb3b400900 [2024-11-18 19:56:30,890 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73458aded/ead1444087cf438caad9e58ad5fce9d7 [2024-11-18 19:56:30,893 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 19:56:30,894 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 19:56:30,894 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 19:56:30,895 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 19:56:30,900 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 19:56:30,901 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:56:30" (1/1) ... [2024-11-18 19:56:30,902 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6838e634 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:30, skipping insertion in model container [2024-11-18 19:56:30,902 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:56:30" (1/1) ... [2024-11-18 19:56:30,938 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 19:56:31,119 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-9.i[915,928] [2024-11-18 19:56:31,290 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 19:56:31,304 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 19:56:31,319 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-9.i[915,928] [2024-11-18 19:56:31,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 19:56:31,431 INFO L204 MainTranslator]: Completed translation [2024-11-18 19:56:31,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:31 WrapperNode [2024-11-18 19:56:31,431 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 19:56:31,432 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 19:56:31,432 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 19:56:31,433 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 19:56:31,438 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:31" (1/1) ... [2024-11-18 19:56:31,463 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:31" (1/1) ... [2024-11-18 19:56:31,530 INFO L138 Inliner]: procedures = 26, calls = 102, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 798 [2024-11-18 19:56:31,531 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 19:56:31,532 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 19:56:31,532 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 19:56:31,532 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 19:56:31,545 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:31" (1/1) ... [2024-11-18 19:56:31,545 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:31" (1/1) ... [2024-11-18 19:56:31,555 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:31" (1/1) ... [2024-11-18 19:56:31,599 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]. [2024-11-18 19:56:31,599 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:31" (1/1) ... [2024-11-18 19:56:31,600 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:31" (1/1) ... [2024-11-18 19:56:31,631 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:31" (1/1) ... [2024-11-18 19:56:31,640 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:31" (1/1) ... [2024-11-18 19:56:31,649 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:31" (1/1) ... [2024-11-18 19:56:31,655 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:31" (1/1) ... [2024-11-18 19:56:31,666 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 19:56:31,667 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 19:56:31,667 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 19:56:31,667 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 19:56:31,668 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:31" (1/1) ... [2024-11-18 19:56:31,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 19:56:31,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 19:56:31,699 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) [2024-11-18 19:56:31,705 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 [2024-11-18 19:56:31,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 19:56:31,743 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-18 19:56:31,743 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-18 19:56:31,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 19:56:31,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 19:56:31,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 19:56:31,901 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 19:56:31,909 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 19:56:33,040 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-18 19:56:33,040 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 19:56:33,071 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 19:56:33,071 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 19:56:33,072 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:56:33 BoogieIcfgContainer [2024-11-18 19:56:33,072 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 19:56:33,074 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 19:56:33,074 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 19:56:33,077 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 19:56:33,079 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:56:30" (1/3) ... [2024-11-18 19:56:33,079 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aeece91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:56:33, skipping insertion in model container [2024-11-18 19:56:33,080 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:31" (2/3) ... [2024-11-18 19:56:33,081 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aeece91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:56:33, skipping insertion in model container [2024-11-18 19:56:33,081 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:56:33" (3/3) ... [2024-11-18 19:56:33,082 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-500_file-9.i [2024-11-18 19:56:33,098 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 19:56:33,099 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 19:56:33,173 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 19:56:33,179 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;@7fdb2450, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 19:56:33,179 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 19:56:33,185 INFO L276 IsEmpty]: Start isEmpty. Operand has 337 states, 245 states have (on average 1.616326530612245) internal successors, (396), 246 states have internal predecessors, (396), 89 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2024-11-18 19:56:33,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 588 [2024-11-18 19:56:33,213 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 19:56:33,216 INFO L215 NwaCegarLoop]: trace histogram [89, 89, 89, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 19:56:33,217 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 19:56:33,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 19:56:33,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1120803562, now seen corresponding path program 1 times [2024-11-18 19:56:33,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 19:56:33,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704500840] [2024-11-18 19:56:33,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 19:56:33,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 19:56:33,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 19:56:33,844 INFO L134 CoverageAnalysis]: Checked inductivity of 15664 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 15488 trivial. 0 not checked. [2024-11-18 19:56:33,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 19:56:33,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704500840] [2024-11-18 19:56:33,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704500840] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 19:56:33,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [284428604] [2024-11-18 19:56:33,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 19:56:33,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 19:56:33,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 19:56:33,849 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 19:56:33,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-18 19:56:34,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 19:56:34,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 1355 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-18 19:56:34,200 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 19:56:34,262 INFO L134 CoverageAnalysis]: Checked inductivity of 15664 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 15488 trivial. 0 not checked. [2024-11-18 19:56:34,262 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 19:56:34,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [284428604] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 19:56:34,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 19:56:34,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-18 19:56:34,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418562770] [2024-11-18 19:56:34,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 19:56:34,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 19:56:34,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 19:56:34,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 19:56:34,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 19:56:34,302 INFO L87 Difference]: Start difference. First operand has 337 states, 245 states have (on average 1.616326530612245) internal successors, (396), 246 states have internal predecessors, (396), 89 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) Second operand has 2 states, 2 states have (on average 73.5) internal successors, (147), 2 states have internal predecessors, (147), 2 states have call successors, (89), 2 states have call predecessors, (89), 1 states have return successors, (89), 1 states have call predecessors, (89), 2 states have call successors, (89) [2024-11-18 19:56:34,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 19:56:34,353 INFO L93 Difference]: Finished difference Result 663 states and 1224 transitions. [2024-11-18 19:56:34,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 19:56:34,356 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 73.5) internal successors, (147), 2 states have internal predecessors, (147), 2 states have call successors, (89), 2 states have call predecessors, (89), 1 states have return successors, (89), 1 states have call predecessors, (89), 2 states have call successors, (89) Word has length 587 [2024-11-18 19:56:34,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 19:56:34,371 INFO L225 Difference]: With dead ends: 663 [2024-11-18 19:56:34,371 INFO L226 Difference]: Without dead ends: 329 [2024-11-18 19:56:34,378 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 588 GetRequests, 588 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 19:56:34,383 INFO L432 NwaCegarLoop]: 557 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, 557 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 [2024-11-18 19:56:34,384 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 19:56:34,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2024-11-18 19:56:34,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 329. [2024-11-18 19:56:34,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 238 states have (on average 1.5924369747899159) internal successors, (379), 238 states have internal predecessors, (379), 89 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2024-11-18 19:56:34,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 557 transitions. [2024-11-18 19:56:34,468 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 557 transitions. Word has length 587 [2024-11-18 19:56:34,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 19:56:34,469 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 557 transitions. [2024-11-18 19:56:34,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 73.5) internal successors, (147), 2 states have internal predecessors, (147), 2 states have call successors, (89), 2 states have call predecessors, (89), 1 states have return successors, (89), 1 states have call predecessors, (89), 2 states have call successors, (89) [2024-11-18 19:56:34,470 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 557 transitions. [2024-11-18 19:56:34,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 588 [2024-11-18 19:56:34,492 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 19:56:34,492 INFO L215 NwaCegarLoop]: trace histogram [89, 89, 89, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 19:56:34,509 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-18 19:56:34,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-18 19:56:34,694 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 19:56:34,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 19:56:34,694 INFO L85 PathProgramCache]: Analyzing trace with hash 84608688, now seen corresponding path program 1 times [2024-11-18 19:56:34,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 19:56:34,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352536928] [2024-11-18 19:56:34,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 19:56:34,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 19:56:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 19:56:35,083 INFO L134 CoverageAnalysis]: Checked inductivity of 15664 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15664 trivial. 0 not checked. [2024-11-18 19:56:35,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 19:56:35,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352536928] [2024-11-18 19:56:35,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352536928] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 19:56:35,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 19:56:35,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 19:56:35,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725713021] [2024-11-18 19:56:35,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 19:56:35,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 19:56:35,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 19:56:35,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 19:56:35,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 19:56:35,091 INFO L87 Difference]: Start difference. First operand 329 states and 557 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 1 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 1 states have call predecessors, (89), 1 states have call successors, (89) [2024-11-18 19:56:35,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 19:56:35,179 INFO L93 Difference]: Finished difference Result 862 states and 1465 transitions. [2024-11-18 19:56:35,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 19:56:35,180 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 1 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 1 states have call predecessors, (89), 1 states have call successors, (89) Word has length 587 [2024-11-18 19:56:35,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 19:56:35,188 INFO L225 Difference]: With dead ends: 862 [2024-11-18 19:56:35,189 INFO L226 Difference]: Without dead ends: 536 [2024-11-18 19:56:35,191 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 19:56:35,192 INFO L432 NwaCegarLoop]: 810 mSDtfsCounter, 362 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 1337 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 19:56:35,193 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [362 Valid, 1337 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 19:56:35,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2024-11-18 19:56:35,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 533. [2024-11-18 19:56:35,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 411 states have (on average 1.6277372262773722) internal successors, (669), 412 states have internal predecessors, (669), 119 states have call successors, (119), 2 states have call predecessors, (119), 2 states have return successors, (119), 118 states have call predecessors, (119), 119 states have call successors, (119) [2024-11-18 19:56:35,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 907 transitions. [2024-11-18 19:56:35,245 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 907 transitions. Word has length 587 [2024-11-18 19:56:35,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 19:56:35,246 INFO L471 AbstractCegarLoop]: Abstraction has 533 states and 907 transitions. [2024-11-18 19:56:35,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 1 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 1 states have call predecessors, (89), 1 states have call successors, (89) [2024-11-18 19:56:35,247 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 907 transitions. [2024-11-18 19:56:35,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 588 [2024-11-18 19:56:35,274 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 19:56:35,275 INFO L215 NwaCegarLoop]: trace histogram [89, 89, 89, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 19:56:35,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-18 19:56:35,275 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 19:56:35,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 19:56:35,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1409464882, now seen corresponding path program 1 times [2024-11-18 19:56:35,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 19:56:35,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861439749] [2024-11-18 19:56:35,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 19:56:35,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 19:56:35,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 19:56:35,521 INFO L134 CoverageAnalysis]: Checked inductivity of 15664 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15664 trivial. 0 not checked. [2024-11-18 19:56:35,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 19:56:35,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861439749] [2024-11-18 19:56:35,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861439749] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 19:56:35,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 19:56:35,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 19:56:35,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237897054] [2024-11-18 19:56:35,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 19:56:35,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 19:56:35,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 19:56:35,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 19:56:35,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 19:56:35,524 INFO L87 Difference]: Start difference. First operand 533 states and 907 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 1 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 1 states have call predecessors, (89), 1 states have call successors, (89) [2024-11-18 19:56:35,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 19:56:35,583 INFO L93 Difference]: Finished difference Result 1453 states and 2481 transitions. [2024-11-18 19:56:35,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 19:56:35,585 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 1 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 1 states have call predecessors, (89), 1 states have call successors, (89) Word has length 587 [2024-11-18 19:56:35,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 19:56:35,592 INFO L225 Difference]: With dead ends: 1453 [2024-11-18 19:56:35,592 INFO L226 Difference]: Without dead ends: 923 [2024-11-18 19:56:35,594 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 19:56:35,595 INFO L432 NwaCegarLoop]: 596 mSDtfsCounter, 338 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 1134 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 19:56:35,596 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [338 Valid, 1134 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 19:56:35,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 923 states. [2024-11-18 19:56:35,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 923 to 919. [2024-11-18 19:56:35,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 919 states, 765 states have (on average 1.6640522875816994) internal successors, (1273), 768 states have internal predecessors, (1273), 149 states have call successors, (149), 4 states have call predecessors, (149), 4 states have return successors, (149), 146 states have call predecessors, (149), 149 states have call successors, (149) [2024-11-18 19:56:35,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 1571 transitions. [2024-11-18 19:56:35,647 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 1571 transitions. Word has length 587 [2024-11-18 19:56:35,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 19:56:35,648 INFO L471 AbstractCegarLoop]: Abstraction has 919 states and 1571 transitions. [2024-11-18 19:56:35,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 1 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 1 states have call predecessors, (89), 1 states have call successors, (89) [2024-11-18 19:56:35,649 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1571 transitions. [2024-11-18 19:56:35,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 588 [2024-11-18 19:56:35,656 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 19:56:35,657 INFO L215 NwaCegarLoop]: trace histogram [89, 89, 89, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 19:56:35,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-18 19:56:35,657 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 19:56:35,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 19:56:35,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1498717004, now seen corresponding path program 1 times [2024-11-18 19:56:35,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 19:56:35,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888417765] [2024-11-18 19:56:35,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 19:56:35,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 19:56:35,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 19:56:36,005 INFO L134 CoverageAnalysis]: Checked inductivity of 15664 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15664 trivial. 0 not checked. [2024-11-18 19:56:36,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 19:56:36,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888417765] [2024-11-18 19:56:36,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888417765] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 19:56:36,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 19:56:36,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 19:56:36,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85462986] [2024-11-18 19:56:36,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 19:56:36,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 19:56:36,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 19:56:36,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 19:56:36,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 19:56:36,012 INFO L87 Difference]: Start difference. First operand 919 states and 1571 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 1 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 1 states have call predecessors, (89), 1 states have call successors, (89) [2024-11-18 19:56:36,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 19:56:36,071 INFO L93 Difference]: Finished difference Result 1839 states and 3147 transitions. [2024-11-18 19:56:36,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 19:56:36,072 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 1 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 1 states have call predecessors, (89), 1 states have call successors, (89) Word has length 587 [2024-11-18 19:56:36,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 19:56:36,079 INFO L225 Difference]: With dead ends: 1839 [2024-11-18 19:56:36,080 INFO L226 Difference]: Without dead ends: 923 [2024-11-18 19:56:36,083 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 19:56:36,084 INFO L432 NwaCegarLoop]: 556 mSDtfsCounter, 0 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1107 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 19:56:36,085 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1107 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 19:56:36,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 923 states. [2024-11-18 19:56:36,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 923 to 923. [2024-11-18 19:56:36,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 923 states, 769 states have (on average 1.6605981794538363) internal successors, (1277), 772 states have internal predecessors, (1277), 149 states have call successors, (149), 4 states have call predecessors, (149), 4 states have return successors, (149), 146 states have call predecessors, (149), 149 states have call successors, (149) [2024-11-18 19:56:36,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 923 states and 1575 transitions. [2024-11-18 19:56:36,141 INFO L78 Accepts]: Start accepts. Automaton has 923 states and 1575 transitions. Word has length 587 [2024-11-18 19:56:36,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 19:56:36,143 INFO L471 AbstractCegarLoop]: Abstraction has 923 states and 1575 transitions. [2024-11-18 19:56:36,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 1 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 1 states have call predecessors, (89), 1 states have call successors, (89) [2024-11-18 19:56:36,143 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1575 transitions. [2024-11-18 19:56:36,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 589 [2024-11-18 19:56:36,153 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 19:56:36,154 INFO L215 NwaCegarLoop]: trace histogram [89, 89, 89, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 19:56:36,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-18 19:56:36,155 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 19:56:36,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 19:56:36,156 INFO L85 PathProgramCache]: Analyzing trace with hash 847278548, now seen corresponding path program 1 times [2024-11-18 19:56:36,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 19:56:36,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937469351] [2024-11-18 19:56:36,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 19:56:36,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 19:56:36,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 19:56:36,433 INFO L134 CoverageAnalysis]: Checked inductivity of 15664 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15664 trivial. 0 not checked. [2024-11-18 19:56:36,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 19:56:36,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937469351] [2024-11-18 19:56:36,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937469351] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 19:56:36,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 19:56:36,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 19:56:36,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169561513] [2024-11-18 19:56:36,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 19:56:36,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 19:56:36,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 19:56:36,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 19:56:36,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 19:56:36,438 INFO L87 Difference]: Start difference. First operand 923 states and 1575 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 1 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 1 states have call predecessors, (89), 1 states have call successors, (89) [2024-11-18 19:56:36,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 19:56:36,522 INFO L93 Difference]: Finished difference Result 2239 states and 3814 transitions. [2024-11-18 19:56:36,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 19:56:36,523 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 1 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 1 states have call predecessors, (89), 1 states have call successors, (89) Word has length 588 [2024-11-18 19:56:36,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 19:56:36,530 INFO L225 Difference]: With dead ends: 2239 [2024-11-18 19:56:36,530 INFO L226 Difference]: Without dead ends: 1319 [2024-11-18 19:56:36,533 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 19:56:36,533 INFO L432 NwaCegarLoop]: 591 mSDtfsCounter, 347 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 1128 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 19:56:36,534 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [347 Valid, 1128 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 19:56:36,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1319 states. [2024-11-18 19:56:36,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1319 to 703. [2024-11-18 19:56:36,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 703 states, 579 states have (on average 1.6614853195164077) internal successors, (962), 580 states have internal predecessors, (962), 119 states have call successors, (119), 4 states have call predecessors, (119), 4 states have return successors, (119), 118 states have call predecessors, (119), 119 states have call successors, (119) [2024-11-18 19:56:36,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 1200 transitions. [2024-11-18 19:56:36,601 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 1200 transitions. Word has length 588 [2024-11-18 19:56:36,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 19:56:36,601 INFO L471 AbstractCegarLoop]: Abstraction has 703 states and 1200 transitions. [2024-11-18 19:56:36,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 1 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 1 states have call predecessors, (89), 1 states have call successors, (89) [2024-11-18 19:56:36,602 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 1200 transitions. [2024-11-18 19:56:36,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 589 [2024-11-18 19:56:36,605 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 19:56:36,606 INFO L215 NwaCegarLoop]: trace histogram [89, 89, 89, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 19:56:36,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-18 19:56:36,607 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 19:56:36,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 19:56:36,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1723310110, now seen corresponding path program 1 times [2024-11-18 19:56:36,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 19:56:36,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096235172] [2024-11-18 19:56:36,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 19:56:36,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 19:56:36,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 19:56:37,343 INFO L134 CoverageAnalysis]: Checked inductivity of 15664 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15664 trivial. 0 not checked. [2024-11-18 19:56:37,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 19:56:37,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096235172] [2024-11-18 19:56:37,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096235172] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 19:56:37,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 19:56:37,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 19:56:37,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121035676] [2024-11-18 19:56:37,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 19:56:37,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 19:56:37,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 19:56:37,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 19:56:37,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 19:56:37,348 INFO L87 Difference]: Start difference. First operand 703 states and 1200 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 1 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 1 states have call predecessors, (89), 1 states have call successors, (89) [2024-11-18 19:56:37,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 19:56:37,425 INFO L93 Difference]: Finished difference Result 2099 states and 3586 transitions. [2024-11-18 19:56:37,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 19:56:37,426 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 1 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 1 states have call predecessors, (89), 1 states have call successors, (89) Word has length 588 [2024-11-18 19:56:37,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 19:56:37,433 INFO L225 Difference]: With dead ends: 2099 [2024-11-18 19:56:37,433 INFO L226 Difference]: Without dead ends: 1399 [2024-11-18 19:56:37,438 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 19:56:37,440 INFO L432 NwaCegarLoop]: 555 mSDtfsCounter, 345 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 1102 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 19:56:37,440 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [345 Valid, 1102 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 19:56:37,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1399 states. [2024-11-18 19:56:37,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1399 to 1397. [2024-11-18 19:56:37,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1397 states, 1150 states have (on average 1.657391304347826) internal successors, (1906), 1152 states have internal predecessors, (1906), 238 states have call successors, (238), 8 states have call predecessors, (238), 8 states have return successors, (238), 236 states have call predecessors, (238), 238 states have call successors, (238) [2024-11-18 19:56:37,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1397 states to 1397 states and 2382 transitions. [2024-11-18 19:56:37,537 INFO L78 Accepts]: Start accepts. Automaton has 1397 states and 2382 transitions. Word has length 588 [2024-11-18 19:56:37,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 19:56:37,538 INFO L471 AbstractCegarLoop]: Abstraction has 1397 states and 2382 transitions. [2024-11-18 19:56:37,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 1 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 1 states have call predecessors, (89), 1 states have call successors, (89) [2024-11-18 19:56:37,538 INFO L276 IsEmpty]: Start isEmpty. Operand 1397 states and 2382 transitions. [2024-11-18 19:56:37,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 589 [2024-11-18 19:56:37,549 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 19:56:37,550 INFO L215 NwaCegarLoop]: trace histogram [89, 89, 89, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 19:56:37,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-18 19:56:37,550 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 19:56:37,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 19:56:37,551 INFO L85 PathProgramCache]: Analyzing trace with hash -648429152, now seen corresponding path program 1 times [2024-11-18 19:56:37,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 19:56:37,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576779715] [2024-11-18 19:56:37,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 19:56:37,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 19:56:37,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 19:56:38,046 INFO L134 CoverageAnalysis]: Checked inductivity of 15664 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15664 trivial. 0 not checked. [2024-11-18 19:56:38,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 19:56:38,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576779715] [2024-11-18 19:56:38,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576779715] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 19:56:38,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 19:56:38,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 19:56:38,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951277707] [2024-11-18 19:56:38,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 19:56:38,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 19:56:38,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 19:56:38,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 19:56:38,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-18 19:56:38,050 INFO L87 Difference]: Start difference. First operand 1397 states and 2382 transitions. Second operand has 4 states, 4 states have (on average 36.5) internal successors, (146), 4 states have internal predecessors, (146), 1 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 1 states have call predecessors, (89), 1 states have call successors, (89) [2024-11-18 19:56:38,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 19:56:38,557 INFO L93 Difference]: Finished difference Result 3993 states and 6671 transitions. [2024-11-18 19:56:38,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 19:56:38,558 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.5) internal successors, (146), 4 states have internal predecessors, (146), 1 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 1 states have call predecessors, (89), 1 states have call successors, (89) Word has length 588 [2024-11-18 19:56:38,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 19:56:38,570 INFO L225 Difference]: With dead ends: 3993 [2024-11-18 19:56:38,570 INFO L226 Difference]: Without dead ends: 2599 [2024-11-18 19:56:38,575 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-18 19:56:38,575 INFO L432 NwaCegarLoop]: 755 mSDtfsCounter, 577 mSDsluCounter, 1126 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 1881 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-18 19:56:38,576 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [577 Valid, 1881 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-18 19:56:38,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2599 states. [2024-11-18 19:56:38,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2599 to 2591. [2024-11-18 19:56:38,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2591 states, 1946 states have (on average 1.5632065775950668) internal successors, (3042), 1956 states have internal predecessors, (3042), 620 states have call successors, (620), 24 states have call predecessors, (620), 24 states have return successors, (620), 610 states have call predecessors, (620), 620 states have call successors, (620) [2024-11-18 19:56:38,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2591 states to 2591 states and 4282 transitions. [2024-11-18 19:56:38,774 INFO L78 Accepts]: Start accepts. Automaton has 2591 states and 4282 transitions. Word has length 588 [2024-11-18 19:56:38,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 19:56:38,775 INFO L471 AbstractCegarLoop]: Abstraction has 2591 states and 4282 transitions. [2024-11-18 19:56:38,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.5) internal successors, (146), 4 states have internal predecessors, (146), 1 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 1 states have call predecessors, (89), 1 states have call successors, (89) [2024-11-18 19:56:38,776 INFO L276 IsEmpty]: Start isEmpty. Operand 2591 states and 4282 transitions. [2024-11-18 19:56:38,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 590 [2024-11-18 19:56:38,781 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 19:56:38,781 INFO L215 NwaCegarLoop]: trace histogram [89, 89, 89, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 19:56:38,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-18 19:56:38,781 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 19:56:38,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 19:56:38,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1670245006, now seen corresponding path program 1 times [2024-11-18 19:56:38,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 19:56:38,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547336953] [2024-11-18 19:56:38,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 19:56:38,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 19:56:38,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 19:56:39,325 INFO L134 CoverageAnalysis]: Checked inductivity of 15664 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15664 trivial. 0 not checked. [2024-11-18 19:56:39,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 19:56:39,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547336953] [2024-11-18 19:56:39,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547336953] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 19:56:39,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 19:56:39,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 19:56:39,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467082125] [2024-11-18 19:56:39,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 19:56:39,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 19:56:39,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 19:56:39,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 19:56:39,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 19:56:39,328 INFO L87 Difference]: Start difference. First operand 2591 states and 4282 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 1 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 1 states have call predecessors, (89), 1 states have call successors, (89) [2024-11-18 19:56:39,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 19:56:39,444 INFO L93 Difference]: Finished difference Result 5183 states and 8569 transitions. [2024-11-18 19:56:39,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 19:56:39,445 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 1 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 1 states have call predecessors, (89), 1 states have call successors, (89) Word has length 589 [2024-11-18 19:56:39,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 19:56:39,461 INFO L225 Difference]: With dead ends: 5183 [2024-11-18 19:56:39,461 INFO L226 Difference]: Without dead ends: 2595 [2024-11-18 19:56:39,469 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 19:56:39,470 INFO L432 NwaCegarLoop]: 556 mSDtfsCounter, 0 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1106 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 19:56:39,470 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1106 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 19:56:39,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2595 states. [2024-11-18 19:56:39,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2595 to 2595. [2024-11-18 19:56:39,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2595 states, 1950 states have (on average 1.562051282051282) internal successors, (3046), 1960 states have internal predecessors, (3046), 620 states have call successors, (620), 24 states have call predecessors, (620), 24 states have return successors, (620), 610 states have call predecessors, (620), 620 states have call successors, (620) [2024-11-18 19:56:39,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2595 states to 2595 states and 4286 transitions. [2024-11-18 19:56:39,680 INFO L78 Accepts]: Start accepts. Automaton has 2595 states and 4286 transitions. Word has length 589 [2024-11-18 19:56:39,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 19:56:39,681 INFO L471 AbstractCegarLoop]: Abstraction has 2595 states and 4286 transitions. [2024-11-18 19:56:39,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 1 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 1 states have call predecessors, (89), 1 states have call successors, (89) [2024-11-18 19:56:39,682 INFO L276 IsEmpty]: Start isEmpty. Operand 2595 states and 4286 transitions. [2024-11-18 19:56:39,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 590 [2024-11-18 19:56:39,686 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 19:56:39,687 INFO L215 NwaCegarLoop]: trace histogram [89, 89, 89, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 19:56:39,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-18 19:56:39,687 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 19:56:39,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 19:56:39,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1727329012, now seen corresponding path program 1 times [2024-11-18 19:56:39,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 19:56:39,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429531249] [2024-11-18 19:56:39,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 19:56:39,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 19:56:40,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 19:56:40,543 INFO L134 CoverageAnalysis]: Checked inductivity of 15664 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15664 trivial. 0 not checked. [2024-11-18 19:56:40,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 19:56:40,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429531249] [2024-11-18 19:56:40,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429531249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 19:56:40,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 19:56:40,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 19:56:40,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285290033] [2024-11-18 19:56:40,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 19:56:40,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 19:56:40,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 19:56:40,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 19:56:40,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 19:56:40,546 INFO L87 Difference]: Start difference. First operand 2595 states and 4286 transitions. Second operand has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 1 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 1 states have call predecessors, (89), 1 states have call successors, (89) [2024-11-18 19:56:40,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 19:56:40,897 INFO L93 Difference]: Finished difference Result 6256 states and 10369 transitions. [2024-11-18 19:56:40,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 19:56:40,898 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 1 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 1 states have call predecessors, (89), 1 states have call successors, (89) Word has length 589 [2024-11-18 19:56:40,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 19:56:40,918 INFO L225 Difference]: With dead ends: 6256 [2024-11-18 19:56:40,918 INFO L226 Difference]: Without dead ends: 3664 [2024-11-18 19:56:40,927 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-18 19:56:40,928 INFO L432 NwaCegarLoop]: 642 mSDtfsCounter, 965 mSDsluCounter, 1081 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 965 SdHoareTripleChecker+Valid, 1723 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 19:56:40,928 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [965 Valid, 1723 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 19:56:40,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3664 states. [2024-11-18 19:56:41,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3664 to 2007. [2024-11-18 19:56:41,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2007 states, 1548 states have (on average 1.5897932816537468) internal successors, (2461), 1552 states have internal predecessors, (2461), 440 states have call successors, (440), 18 states have call predecessors, (440), 18 states have return successors, (440), 436 states have call predecessors, (440), 440 states have call successors, (440) [2024-11-18 19:56:41,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2007 states to 2007 states and 3341 transitions. [2024-11-18 19:56:41,146 INFO L78 Accepts]: Start accepts. Automaton has 2007 states and 3341 transitions. Word has length 589 [2024-11-18 19:56:41,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 19:56:41,147 INFO L471 AbstractCegarLoop]: Abstraction has 2007 states and 3341 transitions. [2024-11-18 19:56:41,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 1 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 1 states have call predecessors, (89), 1 states have call successors, (89) [2024-11-18 19:56:41,147 INFO L276 IsEmpty]: Start isEmpty. Operand 2007 states and 3341 transitions. [2024-11-18 19:56:41,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 590 [2024-11-18 19:56:41,152 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 19:56:41,152 INFO L215 NwaCegarLoop]: trace histogram [89, 89, 89, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 19:56:41,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-18 19:56:41,153 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 19:56:41,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 19:56:41,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1908106762, now seen corresponding path program 1 times [2024-11-18 19:56:41,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 19:56:41,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210447629] [2024-11-18 19:56:41,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 19:56:41,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 19:56:41,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 19:56:42,121 INFO L134 CoverageAnalysis]: Checked inductivity of 15664 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15664 trivial. 0 not checked. [2024-11-18 19:56:42,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 19:56:42,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210447629] [2024-11-18 19:56:42,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210447629] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 19:56:42,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 19:56:42,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 19:56:42,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470807677] [2024-11-18 19:56:42,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 19:56:42,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 19:56:42,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 19:56:42,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 19:56:42,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-18 19:56:42,123 INFO L87 Difference]: Start difference. First operand 2007 states and 3341 transitions. Second operand has 5 states, 5 states have (on average 29.4) internal successors, (147), 5 states have internal predecessors, (147), 1 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 1 states have call predecessors, (89), 1 states have call successors, (89) [2024-11-18 19:56:42,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 19:56:42,854 INFO L93 Difference]: Finished difference Result 4422 states and 7376 transitions. [2024-11-18 19:56:42,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 19:56:42,858 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.4) internal successors, (147), 5 states have internal predecessors, (147), 1 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 1 states have call predecessors, (89), 1 states have call successors, (89) Word has length 589 [2024-11-18 19:56:42,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 19:56:42,873 INFO L225 Difference]: With dead ends: 4422 [2024-11-18 19:56:42,873 INFO L226 Difference]: Without dead ends: 2418 [2024-11-18 19:56:42,879 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-18 19:56:42,879 INFO L432 NwaCegarLoop]: 871 mSDtfsCounter, 849 mSDsluCounter, 1372 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 849 SdHoareTripleChecker+Valid, 2243 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-18 19:56:42,880 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [849 Valid, 2243 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-18 19:56:42,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2418 states. [2024-11-18 19:56:43,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2418 to 2011. [2024-11-18 19:56:43,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2011 states, 1552 states have (on average 1.5882731958762886) internal successors, (2465), 1556 states have internal predecessors, (2465), 440 states have call successors, (440), 18 states have call predecessors, (440), 18 states have return successors, (440), 436 states have call predecessors, (440), 440 states have call successors, (440) [2024-11-18 19:56:43,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2011 states to 2011 states and 3345 transitions. [2024-11-18 19:56:43,057 INFO L78 Accepts]: Start accepts. Automaton has 2011 states and 3345 transitions. Word has length 589 [2024-11-18 19:56:43,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 19:56:43,058 INFO L471 AbstractCegarLoop]: Abstraction has 2011 states and 3345 transitions. [2024-11-18 19:56:43,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.4) internal successors, (147), 5 states have internal predecessors, (147), 1 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 1 states have call predecessors, (89), 1 states have call successors, (89) [2024-11-18 19:56:43,058 INFO L276 IsEmpty]: Start isEmpty. Operand 2011 states and 3345 transitions. [2024-11-18 19:56:43,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 590 [2024-11-18 19:56:43,062 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 19:56:43,063 INFO L215 NwaCegarLoop]: trace histogram [89, 89, 89, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 19:56:43,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-18 19:56:43,063 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 19:56:43,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 19:56:43,064 INFO L85 PathProgramCache]: Analyzing trace with hash -459674369, now seen corresponding path program 1 times [2024-11-18 19:56:43,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 19:56:43,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025717248] [2024-11-18 19:56:43,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 19:56:43,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 19:56:43,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 19:56:44,666 INFO L134 CoverageAnalysis]: Checked inductivity of 15664 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15664 trivial. 0 not checked. [2024-11-18 19:56:44,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 19:56:44,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025717248] [2024-11-18 19:56:44,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025717248] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 19:56:44,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 19:56:44,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 19:56:44,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029134033] [2024-11-18 19:56:44,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 19:56:44,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-18 19:56:44,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 19:56:44,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-18 19:56:44,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-18 19:56:44,672 INFO L87 Difference]: Start difference. First operand 2011 states and 3345 transitions. Second operand has 8 states, 8 states have (on average 18.375) internal successors, (147), 8 states have internal predecessors, (147), 1 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 1 states have call predecessors, (89), 1 states have call successors, (89) [2024-11-18 19:56:47,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 19:56:47,335 INFO L93 Difference]: Finished difference Result 12735 states and 21053 transitions. [2024-11-18 19:56:47,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-18 19:56:47,337 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 18.375) internal successors, (147), 8 states have internal predecessors, (147), 1 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 1 states have call predecessors, (89), 1 states have call successors, (89) Word has length 589 [2024-11-18 19:56:47,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 19:56:47,403 INFO L225 Difference]: With dead ends: 12735 [2024-11-18 19:56:47,404 INFO L226 Difference]: Without dead ends: 10727 [2024-11-18 19:56:47,412 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2024-11-18 19:56:47,412 INFO L432 NwaCegarLoop]: 787 mSDtfsCounter, 3574 mSDsluCounter, 2150 mSDsCounter, 0 mSdLazyCounter, 904 mSolverCounterSat, 517 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3574 SdHoareTripleChecker+Valid, 2937 SdHoareTripleChecker+Invalid, 1421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 517 IncrementalHoareTripleChecker+Valid, 904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-18 19:56:47,412 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3574 Valid, 2937 Invalid, 1421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [517 Valid, 904 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-18 19:56:47,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10727 states. [2024-11-18 19:56:47,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10727 to 5243. [2024-11-18 19:56:47,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5243 states, 4394 states have (on average 1.6292671825216203) internal successors, (7159), 4410 states have internal predecessors, (7159), 800 states have call successors, (800), 48 states have call predecessors, (800), 48 states have return successors, (800), 784 states have call predecessors, (800), 800 states have call successors, (800) [2024-11-18 19:56:47,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5243 states to 5243 states and 8759 transitions. [2024-11-18 19:56:47,864 INFO L78 Accepts]: Start accepts. Automaton has 5243 states and 8759 transitions. Word has length 589 [2024-11-18 19:56:47,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 19:56:47,865 INFO L471 AbstractCegarLoop]: Abstraction has 5243 states and 8759 transitions. [2024-11-18 19:56:47,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 18.375) internal successors, (147), 8 states have internal predecessors, (147), 1 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 1 states have call predecessors, (89), 1 states have call successors, (89) [2024-11-18 19:56:47,866 INFO L276 IsEmpty]: Start isEmpty. Operand 5243 states and 8759 transitions. [2024-11-18 19:56:47,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 590 [2024-11-18 19:56:47,873 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 19:56:47,874 INFO L215 NwaCegarLoop]: trace histogram [89, 89, 89, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 19:56:47,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-18 19:56:47,874 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 19:56:47,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 19:56:47,875 INFO L85 PathProgramCache]: Analyzing trace with hash 801242881, now seen corresponding path program 1 times [2024-11-18 19:56:47,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 19:56:47,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212759727] [2024-11-18 19:56:47,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 19:56:47,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 19:56:47,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 19:56:48,084 INFO L134 CoverageAnalysis]: Checked inductivity of 15664 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15664 trivial. 0 not checked. [2024-11-18 19:56:48,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 19:56:48,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212759727] [2024-11-18 19:56:48,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212759727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 19:56:48,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 19:56:48,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 19:56:48,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940614687] [2024-11-18 19:56:48,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 19:56:48,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 19:56:48,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 19:56:48,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 19:56:48,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-18 19:56:48,088 INFO L87 Difference]: Start difference. First operand 5243 states and 8759 transitions. Second operand has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 1 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 1 states have call predecessors, (89), 1 states have call successors, (89) [2024-11-18 19:56:48,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 19:56:48,954 INFO L93 Difference]: Finished difference Result 16503 states and 27489 transitions. [2024-11-18 19:56:48,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 19:56:48,955 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 1 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 1 states have call predecessors, (89), 1 states have call successors, (89) Word has length 589 [2024-11-18 19:56:48,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 19:56:48,992 INFO L225 Difference]: With dead ends: 16503 [2024-11-18 19:56:48,992 INFO L226 Difference]: Without dead ends: 11239 [2024-11-18 19:56:49,008 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-18 19:56:49,009 INFO L432 NwaCegarLoop]: 868 mSDtfsCounter, 636 mSDsluCounter, 1091 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 636 SdHoareTripleChecker+Valid, 1959 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 19:56:49,010 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [636 Valid, 1959 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 19:56:49,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11239 states. [2024-11-18 19:56:49,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11239 to 6219. [2024-11-18 19:56:49,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6219 states, 5370 states have (on average 1.651582867783985) internal successors, (8869), 5386 states have internal predecessors, (8869), 800 states have call successors, (800), 48 states have call predecessors, (800), 48 states have return successors, (800), 784 states have call predecessors, (800), 800 states have call successors, (800) [2024-11-18 19:56:49,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6219 states to 6219 states and 10469 transitions. [2024-11-18 19:56:49,463 INFO L78 Accepts]: Start accepts. Automaton has 6219 states and 10469 transitions. Word has length 589 [2024-11-18 19:56:49,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 19:56:49,464 INFO L471 AbstractCegarLoop]: Abstraction has 6219 states and 10469 transitions. [2024-11-18 19:56:49,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 1 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 1 states have call predecessors, (89), 1 states have call successors, (89) [2024-11-18 19:56:49,464 INFO L276 IsEmpty]: Start isEmpty. Operand 6219 states and 10469 transitions. [2024-11-18 19:56:49,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 590 [2024-11-18 19:56:49,473 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 19:56:49,474 INFO L215 NwaCegarLoop]: trace histogram [89, 89, 89, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 19:56:49,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-18 19:56:49,474 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 19:56:49,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 19:56:49,474 INFO L85 PathProgramCache]: Analyzing trace with hash 240543103, now seen corresponding path program 1 times [2024-11-18 19:56:49,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 19:56:49,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258026243] [2024-11-18 19:56:49,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 19:56:49,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 19:56:49,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 19:56:50,918 INFO L134 CoverageAnalysis]: Checked inductivity of 15664 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15664 trivial. 0 not checked. [2024-11-18 19:56:50,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 19:56:50,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258026243] [2024-11-18 19:56:50,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258026243] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 19:56:50,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 19:56:50,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-18 19:56:50,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114626259] [2024-11-18 19:56:50,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 19:56:50,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-18 19:56:50,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 19:56:50,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-18 19:56:50,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-18 19:56:50,921 INFO L87 Difference]: Start difference. First operand 6219 states and 10469 transitions. Second operand has 7 states, 7 states have (on average 21.0) internal successors, (147), 7 states have internal predecessors, (147), 1 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 1 states have call predecessors, (89), 1 states have call successors, (89) [2024-11-18 19:56:53,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 19:56:53,754 INFO L93 Difference]: Finished difference Result 27867 states and 46650 transitions. [2024-11-18 19:56:53,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-18 19:56:53,755 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 21.0) internal successors, (147), 7 states have internal predecessors, (147), 1 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 1 states have call predecessors, (89), 1 states have call successors, (89) Word has length 589 [2024-11-18 19:56:53,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 19:56:53,812 INFO L225 Difference]: With dead ends: 27867 [2024-11-18 19:56:53,812 INFO L226 Difference]: Without dead ends: 21651 [2024-11-18 19:56:53,829 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-11-18 19:56:53,830 INFO L432 NwaCegarLoop]: 845 mSDtfsCounter, 3109 mSDsluCounter, 1844 mSDsCounter, 0 mSdLazyCounter, 850 mSolverCounterSat, 546 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3109 SdHoareTripleChecker+Valid, 2689 SdHoareTripleChecker+Invalid, 1396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 546 IncrementalHoareTripleChecker+Valid, 850 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-18 19:56:53,830 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3109 Valid, 2689 Invalid, 1396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [546 Valid, 850 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-18 19:56:53,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21651 states. [2024-11-18 19:56:54,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21651 to 14599. [2024-11-18 19:56:54,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14599 states, 12722 states have (on average 1.6579940260965258) internal successors, (21093), 12760 states have internal predecessors, (21093), 1768 states have call successors, (1768), 108 states have call predecessors, (1768), 108 states have return successors, (1768), 1730 states have call predecessors, (1768), 1768 states have call successors, (1768) [2024-11-18 19:56:54,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14599 states to 14599 states and 24629 transitions. [2024-11-18 19:56:54,842 INFO L78 Accepts]: Start accepts. Automaton has 14599 states and 24629 transitions. Word has length 589 [2024-11-18 19:56:54,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 19:56:54,843 INFO L471 AbstractCegarLoop]: Abstraction has 14599 states and 24629 transitions. [2024-11-18 19:56:54,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.0) internal successors, (147), 7 states have internal predecessors, (147), 1 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 1 states have call predecessors, (89), 1 states have call successors, (89) [2024-11-18 19:56:54,844 INFO L276 IsEmpty]: Start isEmpty. Operand 14599 states and 24629 transitions. [2024-11-18 19:56:54,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 590 [2024-11-18 19:56:54,858 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 19:56:54,859 INFO L215 NwaCegarLoop]: trace histogram [89, 89, 89, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 19:56:54,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-18 19:56:54,859 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 19:56:54,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 19:56:54,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1301495683, now seen corresponding path program 1 times [2024-11-18 19:56:54,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 19:56:54,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997401180] [2024-11-18 19:56:54,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 19:56:54,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 19:56:54,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 19:56:55,700 INFO L134 CoverageAnalysis]: Checked inductivity of 15664 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15664 trivial. 0 not checked. [2024-11-18 19:56:55,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 19:56:55,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997401180] [2024-11-18 19:56:55,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997401180] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 19:56:55,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 19:56:55,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-18 19:56:55,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758415825] [2024-11-18 19:56:55,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 19:56:55,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-18 19:56:55,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 19:56:55,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-18 19:56:55,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-18 19:56:55,704 INFO L87 Difference]: Start difference. First operand 14599 states and 24629 transitions. Second operand has 7 states, 7 states have (on average 21.0) internal successors, (147), 7 states have internal predecessors, (147), 2 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 2 states have call predecessors, (89), 2 states have call successors, (89) [2024-11-18 19:57:08,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 19:57:08,291 INFO L93 Difference]: Finished difference Result 189831 states and 316519 transitions. [2024-11-18 19:57:08,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-18 19:57:08,296 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 21.0) internal successors, (147), 7 states have internal predecessors, (147), 2 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 2 states have call predecessors, (89), 2 states have call successors, (89) Word has length 589 [2024-11-18 19:57:08,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 19:57:08,762 INFO L225 Difference]: With dead ends: 189831 [2024-11-18 19:57:08,762 INFO L226 Difference]: Without dead ends: 175235 [2024-11-18 19:57:08,846 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2024-11-18 19:57:08,847 INFO L432 NwaCegarLoop]: 1760 mSDtfsCounter, 5848 mSDsluCounter, 3081 mSDsCounter, 0 mSdLazyCounter, 2436 mSolverCounterSat, 1019 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5848 SdHoareTripleChecker+Valid, 4841 SdHoareTripleChecker+Invalid, 3455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1019 IncrementalHoareTripleChecker+Valid, 2436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-18 19:57:08,847 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5848 Valid, 4841 Invalid, 3455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1019 Valid, 2436 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-18 19:57:08,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175235 states. [2024-11-18 19:57:14,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175235 to 55903. [2024-11-18 19:57:14,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55903 states, 50218 states have (on average 1.672507865705524) internal successors, (83990), 50378 states have internal predecessors, (83990), 5300 states have call successors, (5300), 384 states have call predecessors, (5300), 384 states have return successors, (5300), 5140 states have call predecessors, (5300), 5300 states have call successors, (5300) [2024-11-18 19:57:14,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55903 states to 55903 states and 94590 transitions. [2024-11-18 19:57:14,336 INFO L78 Accepts]: Start accepts. Automaton has 55903 states and 94590 transitions. Word has length 589 [2024-11-18 19:57:14,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 19:57:14,337 INFO L471 AbstractCegarLoop]: Abstraction has 55903 states and 94590 transitions. [2024-11-18 19:57:14,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.0) internal successors, (147), 7 states have internal predecessors, (147), 2 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 2 states have call predecessors, (89), 2 states have call successors, (89) [2024-11-18 19:57:14,338 INFO L276 IsEmpty]: Start isEmpty. Operand 55903 states and 94590 transitions. [2024-11-18 19:57:14,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 590 [2024-11-18 19:57:14,391 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 19:57:14,392 INFO L215 NwaCegarLoop]: trace histogram [89, 89, 89, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 19:57:14,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-18 19:57:14,392 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 19:57:14,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 19:57:14,392 INFO L85 PathProgramCache]: Analyzing trace with hash 480782849, now seen corresponding path program 1 times [2024-11-18 19:57:14,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 19:57:14,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610552169] [2024-11-18 19:57:14,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 19:57:14,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 19:57:14,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 19:57:15,321 INFO L134 CoverageAnalysis]: Checked inductivity of 15664 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15664 trivial. 0 not checked. [2024-11-18 19:57:15,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 19:57:15,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610552169] [2024-11-18 19:57:15,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610552169] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 19:57:15,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 19:57:15,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 19:57:15,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198878061] [2024-11-18 19:57:15,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 19:57:15,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 19:57:15,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 19:57:15,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 19:57:15,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-18 19:57:15,326 INFO L87 Difference]: Start difference. First operand 55903 states and 94590 transitions. Second operand has 5 states, 5 states have (on average 29.4) internal successors, (147), 5 states have internal predecessors, (147), 1 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 1 states have call predecessors, (89), 1 states have call successors, (89) [2024-11-18 19:57:23,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 19:57:23,144 INFO L93 Difference]: Finished difference Result 187463 states and 316298 transitions. [2024-11-18 19:57:23,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 19:57:23,144 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.4) internal successors, (147), 5 states have internal predecessors, (147), 1 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 1 states have call predecessors, (89), 1 states have call successors, (89) Word has length 589 [2024-11-18 19:57:23,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 19:57:23,517 INFO L225 Difference]: With dead ends: 187463 [2024-11-18 19:57:23,517 INFO L226 Difference]: Without dead ends: 131563 [2024-11-18 19:57:23,623 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-18 19:57:23,624 INFO L432 NwaCegarLoop]: 836 mSDtfsCounter, 1178 mSDsluCounter, 1082 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 226 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1178 SdHoareTripleChecker+Valid, 1918 SdHoareTripleChecker+Invalid, 771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 226 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-18 19:57:23,624 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1178 Valid, 1918 Invalid, 771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [226 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-18 19:57:23,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131563 states. [2024-11-18 19:57:31,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131563 to 110861. [2024-11-18 19:57:31,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110861 states, 99492 states have (on average 1.671571583644916) internal successors, (166308), 99812 states have internal predecessors, (166308), 10600 states have call successors, (10600), 768 states have call predecessors, (10600), 768 states have return successors, (10600), 10280 states have call predecessors, (10600), 10600 states have call successors, (10600) [2024-11-18 19:57:31,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110861 states to 110861 states and 187508 transitions. [2024-11-18 19:57:32,033 INFO L78 Accepts]: Start accepts. Automaton has 110861 states and 187508 transitions. Word has length 589 [2024-11-18 19:57:32,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 19:57:32,034 INFO L471 AbstractCegarLoop]: Abstraction has 110861 states and 187508 transitions. [2024-11-18 19:57:32,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.4) internal successors, (147), 5 states have internal predecessors, (147), 1 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 1 states have call predecessors, (89), 1 states have call successors, (89) [2024-11-18 19:57:32,035 INFO L276 IsEmpty]: Start isEmpty. Operand 110861 states and 187508 transitions. [2024-11-18 19:57:32,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 590 [2024-11-18 19:57:32,100 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 19:57:32,100 INFO L215 NwaCegarLoop]: trace histogram [89, 89, 89, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 19:57:32,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-18 19:57:32,100 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 19:57:32,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 19:57:32,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1876718141, now seen corresponding path program 1 times [2024-11-18 19:57:32,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 19:57:32,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29437180] [2024-11-18 19:57:32,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 19:57:32,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 19:57:32,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 19:57:33,057 INFO L134 CoverageAnalysis]: Checked inductivity of 15664 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15664 trivial. 0 not checked. [2024-11-18 19:57:33,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 19:57:33,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29437180] [2024-11-18 19:57:33,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29437180] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 19:57:33,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 19:57:33,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 19:57:33,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670028727] [2024-11-18 19:57:33,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 19:57:33,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 19:57:33,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 19:57:33,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 19:57:33,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 19:57:33,060 INFO L87 Difference]: Start difference. First operand 110861 states and 187508 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 1 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 1 states have call predecessors, (89), 1 states have call successors, (89) [2024-11-18 19:57:40,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 19:57:40,427 INFO L93 Difference]: Finished difference Result 242952 states and 410633 transitions. [2024-11-18 19:57:40,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 19:57:40,428 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 1 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 1 states have call predecessors, (89), 1 states have call successors, (89) Word has length 589 [2024-11-18 19:57:40,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 19:57:40,762 INFO L225 Difference]: With dead ends: 242952 [2024-11-18 19:57:40,763 INFO L226 Difference]: Without dead ends: 132094 [2024-11-18 19:57:40,890 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 19:57:40,891 INFO L432 NwaCegarLoop]: 677 mSDtfsCounter, 399 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 1196 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 19:57:40,891 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 1196 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 19:57:40,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132094 states.