./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c --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/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c -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 4a068220cd9a63125e810935e79eeb0e481ecd288491865590be5286d46acb22 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 14:53:14,573 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 14:53:14,646 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 14:53:14,655 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 14:53:14,656 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 14:53:14,683 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 14:53:14,684 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 14:53:14,685 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 14:53:14,685 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 14:53:14,685 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 14:53:14,686 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 14:53:14,686 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 14:53:14,687 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 14:53:14,687 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 14:53:14,688 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 14:53:14,688 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 14:53:14,689 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 14:53:14,689 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 14:53:14,689 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 14:53:14,690 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 14:53:14,690 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 14:53:14,691 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 14:53:14,691 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 14:53:14,695 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 14:53:14,696 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 14:53:14,696 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 14:53:14,696 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 14:53:14,696 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 14:53:14,697 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 14:53:14,697 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 14:53:14,697 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 14:53:14,698 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 14:53:14,698 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 14:53:14,699 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 14:53:14,703 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 14:53:14,704 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 14:53:14,704 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 14:53:14,704 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 14:53:14,704 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 14:53:14,704 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 14:53:14,705 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 14:53:14,706 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 14:53:14,706 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a068220cd9a63125e810935e79eeb0e481ecd288491865590be5286d46acb22 [2024-11-18 14:53:14,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 14:53:15,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 14:53:15,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 14:53:15,019 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 14:53:15,020 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 14:53:15,021 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c [2024-11-18 14:53:16,507 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 14:53:16,733 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 14:53:16,734 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c [2024-11-18 14:53:16,747 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10df3dd0f/2f60139dde5340f0a52711c143a1c0c5/FLAG6b40e3247 [2024-11-18 14:53:16,761 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10df3dd0f/2f60139dde5340f0a52711c143a1c0c5 [2024-11-18 14:53:16,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 14:53:16,765 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 14:53:16,767 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 14:53:16,767 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 14:53:16,772 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 14:53:16,773 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:53:16" (1/1) ... [2024-11-18 14:53:16,774 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16fdfb3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:53:16, skipping insertion in model container [2024-11-18 14:53:16,774 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:53:16" (1/1) ... [2024-11-18 14:53:16,820 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 14:53:17,052 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/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c[7235,7248] [2024-11-18 14:53:17,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 14:53:17,116 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 14:53:17,172 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/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c[7235,7248] [2024-11-18 14:53:17,192 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 14:53:17,220 INFO L204 MainTranslator]: Completed translation [2024-11-18 14:53:17,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:53:17 WrapperNode [2024-11-18 14:53:17,220 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 14:53:17,221 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 14:53:17,221 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 14:53:17,221 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 14:53:17,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:53:17" (1/1) ... [2024-11-18 14:53:17,238 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:53:17" (1/1) ... [2024-11-18 14:53:17,309 INFO L138 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 633 [2024-11-18 14:53:17,310 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 14:53:17,311 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 14:53:17,311 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 14:53:17,311 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 14:53:17,322 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:53:17" (1/1) ... [2024-11-18 14:53:17,322 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:53:17" (1/1) ... [2024-11-18 14:53:17,334 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:53:17" (1/1) ... [2024-11-18 14:53:17,359 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 14:53:17,359 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:53:17" (1/1) ... [2024-11-18 14:53:17,359 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:53:17" (1/1) ... [2024-11-18 14:53:17,369 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:53:17" (1/1) ... [2024-11-18 14:53:17,374 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:53:17" (1/1) ... [2024-11-18 14:53:17,377 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:53:17" (1/1) ... [2024-11-18 14:53:17,383 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:53:17" (1/1) ... [2024-11-18 14:53:17,389 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 14:53:17,391 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 14:53:17,391 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 14:53:17,391 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 14:53:17,396 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:53:17" (1/1) ... [2024-11-18 14:53:17,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 14:53:17,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:53:17,443 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 14:53:17,447 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 14:53:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 14:53:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 14:53:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 14:53:17,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 14:53:17,633 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 14:53:17,634 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 14:53:18,249 INFO L? ?]: Removed 48 outVars from TransFormulas that were not future-live. [2024-11-18 14:53:18,249 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 14:53:18,272 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 14:53:18,272 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-18 14:53:18,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:53:18 BoogieIcfgContainer [2024-11-18 14:53:18,273 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 14:53:18,276 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 14:53:18,276 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 14:53:18,279 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 14:53:18,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:53:16" (1/3) ... [2024-11-18 14:53:18,280 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@662e90c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:53:18, skipping insertion in model container [2024-11-18 14:53:18,280 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:53:17" (2/3) ... [2024-11-18 14:53:18,281 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@662e90c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:53:18, skipping insertion in model container [2024-11-18 14:53:18,281 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:53:18" (3/3) ... [2024-11-18 14:53:18,283 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c [2024-11-18 14:53:18,299 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 14:53:18,300 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 14:53:18,363 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 14:53:18,368 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;@6160879c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 14:53:18,369 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 14:53:18,373 INFO L276 IsEmpty]: Start isEmpty. Operand has 135 states, 133 states have (on average 1.7744360902255638) internal successors, (236), 134 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:18,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-18 14:53:18,380 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:53:18,381 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:53:18,381 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:53:18,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:53:18,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1933157835, now seen corresponding path program 1 times [2024-11-18 14:53:18,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:53:18,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757238600] [2024-11-18 14:53:18,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:53:18,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:53:18,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:53:18,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:53:18,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:53:18,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757238600] [2024-11-18 14:53:18,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757238600] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:53:18,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:53:18,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:53:18,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354884682] [2024-11-18 14:53:18,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:53:18,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:53:18,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:53:18,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:53:18,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:53:18,935 INFO L87 Difference]: Start difference. First operand has 135 states, 133 states have (on average 1.7744360902255638) internal successors, (236), 134 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:19,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:53:19,077 INFO L93 Difference]: Finished difference Result 288 states and 491 transitions. [2024-11-18 14:53:19,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:53:19,080 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2024-11-18 14:53:19,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:53:19,090 INFO L225 Difference]: With dead ends: 288 [2024-11-18 14:53:19,090 INFO L226 Difference]: Without dead ends: 201 [2024-11-18 14:53:19,093 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 14:53:19,100 INFO L432 NwaCegarLoop]: 236 mSDtfsCounter, 131 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 14:53:19,101 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 412 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 14:53:19,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2024-11-18 14:53:19,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 199. [2024-11-18 14:53:19,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 198 states have (on average 1.5808080808080809) internal successors, (313), 198 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:19,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 313 transitions. [2024-11-18 14:53:19,149 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 313 transitions. Word has length 57 [2024-11-18 14:53:19,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:53:19,149 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 313 transitions. [2024-11-18 14:53:19,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:19,150 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 313 transitions. [2024-11-18 14:53:19,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-18 14:53:19,152 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:53:19,152 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:53:19,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-18 14:53:19,153 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:53:19,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:53:19,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1883490782, now seen corresponding path program 1 times [2024-11-18 14:53:19,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:53:19,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272836123] [2024-11-18 14:53:19,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:53:19,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:53:19,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:53:19,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:53:19,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:53:19,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272836123] [2024-11-18 14:53:19,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272836123] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:53:19,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:53:19,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:53:19,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138859392] [2024-11-18 14:53:19,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:53:19,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:53:19,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:53:19,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:53:19,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:53:19,350 INFO L87 Difference]: Start difference. First operand 199 states and 313 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:19,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:53:19,395 INFO L93 Difference]: Finished difference Result 475 states and 769 transitions. [2024-11-18 14:53:19,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:53:19,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2024-11-18 14:53:19,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:53:19,401 INFO L225 Difference]: With dead ends: 475 [2024-11-18 14:53:19,401 INFO L226 Difference]: Without dead ends: 330 [2024-11-18 14:53:19,402 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 14:53:19,405 INFO L432 NwaCegarLoop]: 266 mSDtfsCounter, 110 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:53:19,406 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 442 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:53:19,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-11-18 14:53:19,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 328. [2024-11-18 14:53:19,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 327 states have (on average 1.6055045871559632) internal successors, (525), 327 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:19,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 525 transitions. [2024-11-18 14:53:19,443 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 525 transitions. Word has length 59 [2024-11-18 14:53:19,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:53:19,443 INFO L471 AbstractCegarLoop]: Abstraction has 328 states and 525 transitions. [2024-11-18 14:53:19,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:19,444 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 525 transitions. [2024-11-18 14:53:19,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-18 14:53:19,450 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:53:19,450 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:53:19,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-18 14:53:19,451 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:53:19,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:53:19,453 INFO L85 PathProgramCache]: Analyzing trace with hash -111872728, now seen corresponding path program 1 times [2024-11-18 14:53:19,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:53:19,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26081406] [2024-11-18 14:53:19,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:53:19,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:53:19,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:53:19,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:53:19,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:53:19,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26081406] [2024-11-18 14:53:19,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26081406] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:53:19,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:53:19,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:53:19,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700488936] [2024-11-18 14:53:19,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:53:19,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:53:19,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:53:19,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:53:19,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:53:19,574 INFO L87 Difference]: Start difference. First operand 328 states and 525 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:19,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:53:19,614 INFO L93 Difference]: Finished difference Result 603 states and 981 transitions. [2024-11-18 14:53:19,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:53:19,615 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2024-11-18 14:53:19,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:53:19,618 INFO L225 Difference]: With dead ends: 603 [2024-11-18 14:53:19,619 INFO L226 Difference]: Without dead ends: 458 [2024-11-18 14:53:19,621 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 14:53:19,622 INFO L432 NwaCegarLoop]: 267 mSDtfsCounter, 111 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:53:19,624 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 444 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:53:19,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2024-11-18 14:53:19,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 456. [2024-11-18 14:53:19,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 455 states have (on average 1.6153846153846154) internal successors, (735), 455 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:19,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 735 transitions. [2024-11-18 14:53:19,655 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 735 transitions. Word has length 61 [2024-11-18 14:53:19,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:53:19,655 INFO L471 AbstractCegarLoop]: Abstraction has 456 states and 735 transitions. [2024-11-18 14:53:19,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:19,655 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 735 transitions. [2024-11-18 14:53:19,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-18 14:53:19,657 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:53:19,657 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:53:19,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-18 14:53:19,661 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:53:19,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:53:19,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1275396395, now seen corresponding path program 1 times [2024-11-18 14:53:19,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:53:19,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405321137] [2024-11-18 14:53:19,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:53:19,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:53:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:53:19,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:53:19,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:53:19,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405321137] [2024-11-18 14:53:19,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405321137] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:53:19,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:53:19,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:53:19,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565304974] [2024-11-18 14:53:19,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:53:19,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:53:19,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:53:19,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:53:19,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:53:19,790 INFO L87 Difference]: Start difference. First operand 456 states and 735 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:19,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:53:19,817 INFO L93 Difference]: Finished difference Result 1172 states and 1911 transitions. [2024-11-18 14:53:19,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:53:19,818 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2024-11-18 14:53:19,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:53:19,821 INFO L225 Difference]: With dead ends: 1172 [2024-11-18 14:53:19,821 INFO L226 Difference]: Without dead ends: 793 [2024-11-18 14:53:19,825 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 14:53:19,827 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 105 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:53:19,829 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 380 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:53:19,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2024-11-18 14:53:19,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 791. [2024-11-18 14:53:19,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 791 states, 790 states have (on average 1.6164556962025316) internal successors, (1277), 790 states have internal predecessors, (1277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:19,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1277 transitions. [2024-11-18 14:53:19,854 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1277 transitions. Word has length 61 [2024-11-18 14:53:19,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:53:19,856 INFO L471 AbstractCegarLoop]: Abstraction has 791 states and 1277 transitions. [2024-11-18 14:53:19,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:19,856 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1277 transitions. [2024-11-18 14:53:19,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-18 14:53:19,860 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:53:19,860 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:53:19,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-18 14:53:19,860 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:53:19,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:53:19,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1280827262, now seen corresponding path program 1 times [2024-11-18 14:53:19,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:53:19,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864120876] [2024-11-18 14:53:19,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:53:19,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:53:19,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:53:20,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:53:20,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:53:20,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864120876] [2024-11-18 14:53:20,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864120876] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:53:20,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:53:20,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 14:53:20,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691585236] [2024-11-18 14:53:20,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:53:20,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:53:20,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:53:20,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:53:20,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:53:20,012 INFO L87 Difference]: Start difference. First operand 791 states and 1277 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:20,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:53:20,195 INFO L93 Difference]: Finished difference Result 3568 states and 5888 transitions. [2024-11-18 14:53:20,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-18 14:53:20,195 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2024-11-18 14:53:20,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:53:20,206 INFO L225 Difference]: With dead ends: 3568 [2024-11-18 14:53:20,206 INFO L226 Difference]: Without dead ends: 2854 [2024-11-18 14:53:20,208 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-18 14:53:20,209 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 881 mSDsluCounter, 1066 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 881 SdHoareTripleChecker+Valid, 1260 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 14:53:20,209 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [881 Valid, 1260 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 14:53:20,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2854 states. [2024-11-18 14:53:20,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2854 to 1432. [2024-11-18 14:53:20,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1432 states, 1431 states have (on average 1.623340321453529) internal successors, (2323), 1431 states have internal predecessors, (2323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:20,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 2323 transitions. [2024-11-18 14:53:20,254 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 2323 transitions. Word has length 63 [2024-11-18 14:53:20,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:53:20,255 INFO L471 AbstractCegarLoop]: Abstraction has 1432 states and 2323 transitions. [2024-11-18 14:53:20,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:20,255 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 2323 transitions. [2024-11-18 14:53:20,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-18 14:53:20,256 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:53:20,256 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:53:20,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-18 14:53:20,257 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:53:20,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:53:20,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1113443658, now seen corresponding path program 1 times [2024-11-18 14:53:20,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:53:20,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502551676] [2024-11-18 14:53:20,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:53:20,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:53:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:53:20,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:53:20,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:53:20,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502551676] [2024-11-18 14:53:20,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502551676] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:53:20,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:53:20,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 14:53:20,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202316410] [2024-11-18 14:53:20,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:53:20,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 14:53:20,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:53:20,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 14:53:20,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 14:53:20,407 INFO L87 Difference]: Start difference. First operand 1432 states and 2323 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:20,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:53:20,502 INFO L93 Difference]: Finished difference Result 4199 states and 6910 transitions. [2024-11-18 14:53:20,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 14:53:20,502 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2024-11-18 14:53:20,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:53:20,515 INFO L225 Difference]: With dead ends: 4199 [2024-11-18 14:53:20,515 INFO L226 Difference]: Without dead ends: 2846 [2024-11-18 14:53:20,518 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 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 14:53:20,519 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 379 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 14:53:20,519 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [379 Valid, 607 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 14:53:20,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2846 states. [2024-11-18 14:53:20,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2846 to 2127. [2024-11-18 14:53:20,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2127 states, 2126 states have (on average 1.6302916274694261) internal successors, (3466), 2126 states have internal predecessors, (3466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:20,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2127 states to 2127 states and 3466 transitions. [2024-11-18 14:53:20,581 INFO L78 Accepts]: Start accepts. Automaton has 2127 states and 3466 transitions. Word has length 64 [2024-11-18 14:53:20,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:53:20,582 INFO L471 AbstractCegarLoop]: Abstraction has 2127 states and 3466 transitions. [2024-11-18 14:53:20,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:20,582 INFO L276 IsEmpty]: Start isEmpty. Operand 2127 states and 3466 transitions. [2024-11-18 14:53:20,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-18 14:53:20,583 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:53:20,585 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:53:20,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-18 14:53:20,586 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:53:20,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:53:20,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1248232611, now seen corresponding path program 1 times [2024-11-18 14:53:20,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:53:20,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657921776] [2024-11-18 14:53:20,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:53:20,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:53:20,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:53:20,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:53:20,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:53:20,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657921776] [2024-11-18 14:53:20,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657921776] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:53:20,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:53:20,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:53:20,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838380244] [2024-11-18 14:53:20,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:53:20,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:53:20,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:53:20,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:53:20,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:53:20,689 INFO L87 Difference]: Start difference. First operand 2127 states and 3466 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:20,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:53:20,725 INFO L93 Difference]: Finished difference Result 4121 states and 6752 transitions. [2024-11-18 14:53:20,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:53:20,726 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2024-11-18 14:53:20,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:53:20,737 INFO L225 Difference]: With dead ends: 4121 [2024-11-18 14:53:20,737 INFO L226 Difference]: Without dead ends: 2979 [2024-11-18 14:53:20,740 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 14:53:20,741 INFO L432 NwaCegarLoop]: 248 mSDtfsCounter, 106 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:53:20,741 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 426 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:53:20,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2979 states. [2024-11-18 14:53:20,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2979 to 2977. [2024-11-18 14:53:20,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2977 states, 2976 states have (on average 1.6256720430107527) internal successors, (4838), 2976 states have internal predecessors, (4838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:20,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2977 states to 2977 states and 4838 transitions. [2024-11-18 14:53:20,836 INFO L78 Accepts]: Start accepts. Automaton has 2977 states and 4838 transitions. Word has length 64 [2024-11-18 14:53:20,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:53:20,836 INFO L471 AbstractCegarLoop]: Abstraction has 2977 states and 4838 transitions. [2024-11-18 14:53:20,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:20,837 INFO L276 IsEmpty]: Start isEmpty. Operand 2977 states and 4838 transitions. [2024-11-18 14:53:20,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-18 14:53:20,838 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:53:20,838 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:53:20,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-18 14:53:20,838 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:53:20,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:53:20,839 INFO L85 PathProgramCache]: Analyzing trace with hash 616386787, now seen corresponding path program 1 times [2024-11-18 14:53:20,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:53:20,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649359168] [2024-11-18 14:53:20,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:53:20,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:53:20,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:53:20,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:53:20,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:53:20,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649359168] [2024-11-18 14:53:20,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649359168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:53:20,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:53:20,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:53:20,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799738113] [2024-11-18 14:53:20,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:53:20,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:53:20,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:53:20,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:53:20,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:53:20,925 INFO L87 Difference]: Start difference. First operand 2977 states and 4838 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:20,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:53:20,970 INFO L93 Difference]: Finished difference Result 6399 states and 10550 transitions. [2024-11-18 14:53:20,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:53:20,971 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2024-11-18 14:53:20,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:53:20,986 INFO L225 Difference]: With dead ends: 6399 [2024-11-18 14:53:20,987 INFO L226 Difference]: Without dead ends: 4313 [2024-11-18 14:53:20,992 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 14:53:20,993 INFO L432 NwaCegarLoop]: 291 mSDtfsCounter, 116 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:53:20,993 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 467 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:53:20,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4313 states. [2024-11-18 14:53:21,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4313 to 4311. [2024-11-18 14:53:21,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4311 states, 4310 states have (on average 1.6331786542923434) internal successors, (7039), 4310 states have internal predecessors, (7039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:21,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4311 states to 4311 states and 7039 transitions. [2024-11-18 14:53:21,078 INFO L78 Accepts]: Start accepts. Automaton has 4311 states and 7039 transitions. Word has length 64 [2024-11-18 14:53:21,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:53:21,079 INFO L471 AbstractCegarLoop]: Abstraction has 4311 states and 7039 transitions. [2024-11-18 14:53:21,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:21,079 INFO L276 IsEmpty]: Start isEmpty. Operand 4311 states and 7039 transitions. [2024-11-18 14:53:21,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-18 14:53:21,080 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:53:21,080 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:53:21,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-18 14:53:21,081 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:53:21,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:53:21,081 INFO L85 PathProgramCache]: Analyzing trace with hash -214961207, now seen corresponding path program 1 times [2024-11-18 14:53:21,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:53:21,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395592426] [2024-11-18 14:53:21,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:53:21,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:53:21,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:53:21,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:53:21,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:53:21,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395592426] [2024-11-18 14:53:21,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395592426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:53:21,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:53:21,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 14:53:21,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348660919] [2024-11-18 14:53:21,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:53:21,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 14:53:21,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:53:21,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 14:53:21,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 14:53:21,188 INFO L87 Difference]: Start difference. First operand 4311 states and 7039 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:21,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:53:21,392 INFO L93 Difference]: Finished difference Result 13702 states and 22482 transitions. [2024-11-18 14:53:21,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 14:53:21,392 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2024-11-18 14:53:21,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:53:21,433 INFO L225 Difference]: With dead ends: 13702 [2024-11-18 14:53:21,434 INFO L226 Difference]: Without dead ends: 9473 [2024-11-18 14:53:21,441 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 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 14:53:21,441 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 377 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 681 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 14:53:21,442 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [377 Valid, 681 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 14:53:21,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9473 states. [2024-11-18 14:53:21,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9473 to 6863. [2024-11-18 14:53:21,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6863 states, 6862 states have (on average 1.6264937336053629) internal successors, (11161), 6862 states have internal predecessors, (11161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:21,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6863 states to 6863 states and 11161 transitions. [2024-11-18 14:53:21,596 INFO L78 Accepts]: Start accepts. Automaton has 6863 states and 11161 transitions. Word has length 65 [2024-11-18 14:53:21,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:53:21,597 INFO L471 AbstractCegarLoop]: Abstraction has 6863 states and 11161 transitions. [2024-11-18 14:53:21,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:21,598 INFO L276 IsEmpty]: Start isEmpty. Operand 6863 states and 11161 transitions. [2024-11-18 14:53:21,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-18 14:53:21,599 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:53:21,599 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:53:21,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-18 14:53:21,599 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:53:21,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:53:21,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1872749021, now seen corresponding path program 1 times [2024-11-18 14:53:21,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:53:21,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254033711] [2024-11-18 14:53:21,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:53:21,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:53:21,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:53:21,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:53:21,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:53:21,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254033711] [2024-11-18 14:53:21,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254033711] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:53:21,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:53:21,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 14:53:21,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148883046] [2024-11-18 14:53:21,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:53:21,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 14:53:21,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:53:21,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 14:53:21,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 14:53:21,705 INFO L87 Difference]: Start difference. First operand 6863 states and 11161 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:21,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:53:21,890 INFO L93 Difference]: Finished difference Result 21434 states and 34994 transitions. [2024-11-18 14:53:21,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 14:53:21,891 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2024-11-18 14:53:21,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:53:21,930 INFO L225 Difference]: With dead ends: 21434 [2024-11-18 14:53:21,930 INFO L226 Difference]: Without dead ends: 14653 [2024-11-18 14:53:21,940 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 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 14:53:21,940 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 375 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 663 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:53:21,941 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 663 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:53:21,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14653 states. [2024-11-18 14:53:22,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14653 to 10715. [2024-11-18 14:53:22,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10715 states, 10714 states have (on average 1.6190965092402465) internal successors, (17347), 10714 states have internal predecessors, (17347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:22,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10715 states to 10715 states and 17347 transitions. [2024-11-18 14:53:22,167 INFO L78 Accepts]: Start accepts. Automaton has 10715 states and 17347 transitions. Word has length 66 [2024-11-18 14:53:22,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:53:22,167 INFO L471 AbstractCegarLoop]: Abstraction has 10715 states and 17347 transitions. [2024-11-18 14:53:22,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:22,168 INFO L276 IsEmpty]: Start isEmpty. Operand 10715 states and 17347 transitions. [2024-11-18 14:53:22,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-18 14:53:22,169 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:53:22,169 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:53:22,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-18 14:53:22,169 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:53:22,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:53:22,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1396799506, now seen corresponding path program 1 times [2024-11-18 14:53:22,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:53:22,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513354362] [2024-11-18 14:53:22,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:53:22,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:53:22,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:53:22,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:53:22,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:53:22,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513354362] [2024-11-18 14:53:22,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513354362] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:53:22,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:53:22,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 14:53:22,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051452430] [2024-11-18 14:53:22,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:53:22,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:53:22,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:53:22,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:53:22,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:53:22,465 INFO L87 Difference]: Start difference. First operand 10715 states and 17347 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:22,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:53:22,637 INFO L93 Difference]: Finished difference Result 21350 states and 34583 transitions. [2024-11-18 14:53:22,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 14:53:22,638 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-11-18 14:53:22,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:53:22,662 INFO L225 Difference]: With dead ends: 21350 [2024-11-18 14:53:22,663 INFO L226 Difference]: Without dead ends: 10717 [2024-11-18 14:53:22,679 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:53:22,680 INFO L432 NwaCegarLoop]: 197 mSDtfsCounter, 313 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 14:53:22,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 551 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 14:53:22,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10717 states. [2024-11-18 14:53:22,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10717 to 10715. [2024-11-18 14:53:22,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10715 states, 10714 states have (on average 1.607429531454172) internal successors, (17222), 10714 states have internal predecessors, (17222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:22,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10715 states to 10715 states and 17222 transitions. [2024-11-18 14:53:22,941 INFO L78 Accepts]: Start accepts. Automaton has 10715 states and 17222 transitions. Word has length 68 [2024-11-18 14:53:22,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:53:22,942 INFO L471 AbstractCegarLoop]: Abstraction has 10715 states and 17222 transitions. [2024-11-18 14:53:22,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:22,943 INFO L276 IsEmpty]: Start isEmpty. Operand 10715 states and 17222 transitions. [2024-11-18 14:53:22,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-18 14:53:22,943 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:53:22,944 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:53:22,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-18 14:53:22,944 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:53:22,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:53:22,945 INFO L85 PathProgramCache]: Analyzing trace with hash -164512453, now seen corresponding path program 1 times [2024-11-18 14:53:22,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:53:22,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112025402] [2024-11-18 14:53:22,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:53:22,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:53:22,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:53:23,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:53:23,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:53:23,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112025402] [2024-11-18 14:53:23,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112025402] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:53:23,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:53:23,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 14:53:23,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366789312] [2024-11-18 14:53:23,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:53:23,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:53:23,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:53:23,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:53:23,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:53:23,173 INFO L87 Difference]: Start difference. First operand 10715 states and 17222 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:23,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:53:23,347 INFO L93 Difference]: Finished difference Result 30660 states and 49437 transitions. [2024-11-18 14:53:23,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 14:53:23,349 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-11-18 14:53:23,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:53:23,385 INFO L225 Difference]: With dead ends: 30660 [2024-11-18 14:53:23,386 INFO L226 Difference]: Without dead ends: 20027 [2024-11-18 14:53:23,404 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:53:23,405 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 205 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 14:53:23,405 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 560 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 14:53:23,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20027 states. [2024-11-18 14:53:23,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20027 to 20025. [2024-11-18 14:53:23,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20025 states, 20024 states have (on average 1.5949360767079506) internal successors, (31937), 20024 states have internal predecessors, (31937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:23,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20025 states to 20025 states and 31937 transitions. [2024-11-18 14:53:23,763 INFO L78 Accepts]: Start accepts. Automaton has 20025 states and 31937 transitions. Word has length 71 [2024-11-18 14:53:23,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:53:23,764 INFO L471 AbstractCegarLoop]: Abstraction has 20025 states and 31937 transitions. [2024-11-18 14:53:23,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:23,764 INFO L276 IsEmpty]: Start isEmpty. Operand 20025 states and 31937 transitions. [2024-11-18 14:53:23,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-18 14:53:23,765 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:53:23,765 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:53:23,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-18 14:53:23,765 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:53:23,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:53:23,766 INFO L85 PathProgramCache]: Analyzing trace with hash -806828053, now seen corresponding path program 1 times [2024-11-18 14:53:23,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:53:23,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952337886] [2024-11-18 14:53:23,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:53:23,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:53:23,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:53:24,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:53:24,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:53:24,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952337886] [2024-11-18 14:53:24,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952337886] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:53:24,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:53:24,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 14:53:24,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594587331] [2024-11-18 14:53:24,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:53:24,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:53:24,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:53:24,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:53:24,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:53:24,136 INFO L87 Difference]: Start difference. First operand 20025 states and 31937 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:24,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:53:24,216 INFO L93 Difference]: Finished difference Result 20751 states and 33024 transitions. [2024-11-18 14:53:24,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 14:53:24,217 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2024-11-18 14:53:24,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:53:24,336 INFO L225 Difference]: With dead ends: 20751 [2024-11-18 14:53:24,336 INFO L226 Difference]: Without dead ends: 20749 [2024-11-18 14:53:24,340 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:53:24,341 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 0 mSDsluCounter, 586 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 787 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:53:24,341 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 787 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:53:24,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20749 states. [2024-11-18 14:53:24,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20749 to 20749. [2024-11-18 14:53:24,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20749 states, 20748 states have (on average 1.573742047426258) internal successors, (32652), 20748 states have internal predecessors, (32652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:24,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20749 states to 20749 states and 32652 transitions. [2024-11-18 14:53:24,711 INFO L78 Accepts]: Start accepts. Automaton has 20749 states and 32652 transitions. Word has length 72 [2024-11-18 14:53:24,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:53:24,715 INFO L471 AbstractCegarLoop]: Abstraction has 20749 states and 32652 transitions. [2024-11-18 14:53:24,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:24,716 INFO L276 IsEmpty]: Start isEmpty. Operand 20749 states and 32652 transitions. [2024-11-18 14:53:24,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-18 14:53:24,718 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:53:24,718 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:53:24,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-18 14:53:24,719 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:53:24,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:53:24,727 INFO L85 PathProgramCache]: Analyzing trace with hash 25494517, now seen corresponding path program 1 times [2024-11-18 14:53:24,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:53:24,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41191702] [2024-11-18 14:53:24,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:53:24,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:53:24,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:53:24,934 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-18 14:53:24,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:53:24,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41191702] [2024-11-18 14:53:24,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41191702] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:53:24,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:53:24,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 14:53:24,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525294] [2024-11-18 14:53:24,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:53:24,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:53:24,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:53:24,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:53:24,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:53:24,938 INFO L87 Difference]: Start difference. First operand 20749 states and 32652 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:25,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:53:25,256 INFO L93 Difference]: Finished difference Result 50557 states and 79854 transitions. [2024-11-18 14:53:25,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 14:53:25,257 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2024-11-18 14:53:25,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:53:25,349 INFO L225 Difference]: With dead ends: 50557 [2024-11-18 14:53:25,349 INFO L226 Difference]: Without dead ends: 40765 [2024-11-18 14:53:25,378 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-18 14:53:25,379 INFO L432 NwaCegarLoop]: 318 mSDtfsCounter, 479 mSDsluCounter, 618 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 479 SdHoareTripleChecker+Valid, 936 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-18 14:53:25,379 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [479 Valid, 936 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-18 14:53:25,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40765 states. [2024-11-18 14:53:25,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40765 to 31835. [2024-11-18 14:53:25,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31835 states, 31834 states have (on average 1.572532512408117) internal successors, (50060), 31834 states have internal predecessors, (50060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:26,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31835 states to 31835 states and 50060 transitions. [2024-11-18 14:53:26,154 INFO L78 Accepts]: Start accepts. Automaton has 31835 states and 50060 transitions. Word has length 93 [2024-11-18 14:53:26,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:53:26,155 INFO L471 AbstractCegarLoop]: Abstraction has 31835 states and 50060 transitions. [2024-11-18 14:53:26,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:26,155 INFO L276 IsEmpty]: Start isEmpty. Operand 31835 states and 50060 transitions. [2024-11-18 14:53:26,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-18 14:53:26,157 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:53:26,157 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:53:26,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-18 14:53:26,158 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:53:26,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:53:26,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1396393528, now seen corresponding path program 1 times [2024-11-18 14:53:26,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:53:26,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406218645] [2024-11-18 14:53:26,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:53:26,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:53:26,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:53:26,404 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-18 14:53:26,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:53:26,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406218645] [2024-11-18 14:53:26,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406218645] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:53:26,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:53:26,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 14:53:26,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401097296] [2024-11-18 14:53:26,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:53:26,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:53:26,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:53:26,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:53:26,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:53:26,407 INFO L87 Difference]: Start difference. First operand 31835 states and 50060 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:26,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:53:26,654 INFO L93 Difference]: Finished difference Result 54449 states and 86018 transitions. [2024-11-18 14:53:26,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 14:53:26,655 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2024-11-18 14:53:26,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:53:26,738 INFO L225 Difference]: With dead ends: 54449 [2024-11-18 14:53:26,738 INFO L226 Difference]: Without dead ends: 44657 [2024-11-18 14:53:26,770 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-18 14:53:26,770 INFO L432 NwaCegarLoop]: 326 mSDtfsCounter, 478 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 478 SdHoareTripleChecker+Valid, 872 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 14:53:26,771 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [478 Valid, 872 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 14:53:26,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44657 states. [2024-11-18 14:53:27,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44657 to 43067. [2024-11-18 14:53:27,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43067 states, 43066 states have (on average 1.573445409371662) internal successors, (67762), 43066 states have internal predecessors, (67762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:27,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43067 states to 43067 states and 67762 transitions. [2024-11-18 14:53:27,425 INFO L78 Accepts]: Start accepts. Automaton has 43067 states and 67762 transitions. Word has length 93 [2024-11-18 14:53:27,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:53:27,425 INFO L471 AbstractCegarLoop]: Abstraction has 43067 states and 67762 transitions. [2024-11-18 14:53:27,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:27,425 INFO L276 IsEmpty]: Start isEmpty. Operand 43067 states and 67762 transitions. [2024-11-18 14:53:27,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-18 14:53:27,428 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:53:27,428 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:53:27,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-18 14:53:27,428 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:53:27,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:53:27,429 INFO L85 PathProgramCache]: Analyzing trace with hash 71809854, now seen corresponding path program 1 times [2024-11-18 14:53:27,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:53:27,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525027339] [2024-11-18 14:53:27,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:53:27,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:53:27,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:53:27,788 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-18 14:53:27,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:53:27,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525027339] [2024-11-18 14:53:27,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525027339] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:53:27,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:53:27,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 14:53:27,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289744950] [2024-11-18 14:53:27,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:53:27,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:53:27,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:53:27,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:53:27,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:53:27,792 INFO L87 Difference]: Start difference. First operand 43067 states and 67762 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:28,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:53:28,012 INFO L93 Difference]: Finished difference Result 61063 states and 96646 transitions. [2024-11-18 14:53:28,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 14:53:28,013 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2024-11-18 14:53:28,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:53:28,275 INFO L225 Difference]: With dead ends: 61063 [2024-11-18 14:53:28,276 INFO L226 Difference]: Without dead ends: 51041 [2024-11-18 14:53:28,317 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-18 14:53:28,320 INFO L432 NwaCegarLoop]: 323 mSDtfsCounter, 476 mSDsluCounter, 662 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 476 SdHoareTripleChecker+Valid, 985 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 14:53:28,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [476 Valid, 985 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 14:53:28,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51041 states. [2024-11-18 14:53:28,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51041 to 49451. [2024-11-18 14:53:28,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49451 states, 49450 states have (on average 1.5763397371081902) internal successors, (77950), 49450 states have internal predecessors, (77950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:29,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49451 states to 49451 states and 77950 transitions. [2024-11-18 14:53:29,047 INFO L78 Accepts]: Start accepts. Automaton has 49451 states and 77950 transitions. Word has length 93 [2024-11-18 14:53:29,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:53:29,048 INFO L471 AbstractCegarLoop]: Abstraction has 49451 states and 77950 transitions. [2024-11-18 14:53:29,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:29,048 INFO L276 IsEmpty]: Start isEmpty. Operand 49451 states and 77950 transitions. [2024-11-18 14:53:29,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-18 14:53:29,050 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:53:29,051 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:53:29,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-18 14:53:29,051 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:53:29,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:53:29,052 INFO L85 PathProgramCache]: Analyzing trace with hash -1205465200, now seen corresponding path program 1 times [2024-11-18 14:53:29,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:53:29,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008007917] [2024-11-18 14:53:29,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:53:29,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:53:29,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:53:29,183 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:53:29,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:53:29,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008007917] [2024-11-18 14:53:29,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008007917] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:53:29,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:53:29,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:53:29,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726649552] [2024-11-18 14:53:29,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:53:29,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:53:29,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:53:29,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:53:29,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:53:29,186 INFO L87 Difference]: Start difference. First operand 49451 states and 77950 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:29,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:53:29,607 INFO L93 Difference]: Finished difference Result 92380 states and 146099 transitions. [2024-11-18 14:53:29,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:53:29,607 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-11-18 14:53:29,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:53:29,662 INFO L225 Difference]: With dead ends: 92380 [2024-11-18 14:53:29,662 INFO L226 Difference]: Without dead ends: 43011 [2024-11-18 14:53:29,705 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 14:53:29,706 INFO L432 NwaCegarLoop]: 248 mSDtfsCounter, 87 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 433 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 14:53:29,706 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 433 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:53:29,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43011 states. [2024-11-18 14:53:30,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43011 to 43005. [2024-11-18 14:53:30,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43005 states, 43004 states have (on average 1.5771556134313087) internal successors, (67824), 43004 states have internal predecessors, (67824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:30,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43005 states to 43005 states and 67824 transitions. [2024-11-18 14:53:30,276 INFO L78 Accepts]: Start accepts. Automaton has 43005 states and 67824 transitions. Word has length 94 [2024-11-18 14:53:30,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:53:30,277 INFO L471 AbstractCegarLoop]: Abstraction has 43005 states and 67824 transitions. [2024-11-18 14:53:30,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:30,277 INFO L276 IsEmpty]: Start isEmpty. Operand 43005 states and 67824 transitions. [2024-11-18 14:53:30,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-18 14:53:30,278 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:53:30,278 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:53:30,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-18 14:53:30,279 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:53:30,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:53:30,279 INFO L85 PathProgramCache]: Analyzing trace with hash -209592631, now seen corresponding path program 1 times [2024-11-18 14:53:30,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:53:30,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763131194] [2024-11-18 14:53:30,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:53:30,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:53:30,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:53:30,869 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-18 14:53:30,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:53:30,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763131194] [2024-11-18 14:53:30,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763131194] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:53:30,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:53:30,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 14:53:30,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381574494] [2024-11-18 14:53:30,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:53:30,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 14:53:30,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:53:30,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 14:53:30,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 14:53:30,872 INFO L87 Difference]: Start difference. First operand 43005 states and 67824 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:31,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:53:31,278 INFO L93 Difference]: Finished difference Result 102019 states and 161793 transitions. [2024-11-18 14:53:31,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 14:53:31,279 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-11-18 14:53:31,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:53:31,427 INFO L225 Difference]: With dead ends: 102019 [2024-11-18 14:53:31,428 INFO L226 Difference]: Without dead ends: 77437 [2024-11-18 14:53:31,480 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 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 14:53:31,482 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 405 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:53:31,482 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 538 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:53:31,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77437 states. [2024-11-18 14:53:32,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77437 to 67003. [2024-11-18 14:53:32,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67003 states, 67002 states have (on average 1.5803707352019343) internal successors, (105888), 67002 states have internal predecessors, (105888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:32,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67003 states to 67003 states and 105888 transitions. [2024-11-18 14:53:32,482 INFO L78 Accepts]: Start accepts. Automaton has 67003 states and 105888 transitions. Word has length 94 [2024-11-18 14:53:32,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:53:32,482 INFO L471 AbstractCegarLoop]: Abstraction has 67003 states and 105888 transitions. [2024-11-18 14:53:32,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:32,482 INFO L276 IsEmpty]: Start isEmpty. Operand 67003 states and 105888 transitions. [2024-11-18 14:53:32,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-18 14:53:32,483 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:53:32,483 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:53:32,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-18 14:53:32,484 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:53:32,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:53:32,484 INFO L85 PathProgramCache]: Analyzing trace with hash 2003616192, now seen corresponding path program 1 times [2024-11-18 14:53:32,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:53:32,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924622309] [2024-11-18 14:53:32,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:53:32,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:53:32,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:53:32,552 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-18 14:53:32,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:53:32,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924622309] [2024-11-18 14:53:32,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924622309] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:53:32,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:53:32,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:53:32,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496919672] [2024-11-18 14:53:32,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:53:32,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:53:32,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:53:32,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:53:32,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:53:32,554 INFO L87 Difference]: Start difference. First operand 67003 states and 105888 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:33,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:53:33,291 INFO L93 Difference]: Finished difference Result 158352 states and 250596 transitions. [2024-11-18 14:53:33,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:53:33,291 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-11-18 14:53:33,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:53:33,480 INFO L225 Difference]: With dead ends: 158352 [2024-11-18 14:53:33,481 INFO L226 Difference]: Without dead ends: 113752 [2024-11-18 14:53:33,535 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 14:53:33,536 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 96 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:53:33,536 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 367 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:53:33,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113752 states. [2024-11-18 14:53:34,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113752 to 113431. [2024-11-18 14:53:34,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113431 states, 113430 states have (on average 1.5783478797496253) internal successors, (179032), 113430 states have internal predecessors, (179032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:35,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113431 states to 113431 states and 179032 transitions. [2024-11-18 14:53:35,479 INFO L78 Accepts]: Start accepts. Automaton has 113431 states and 179032 transitions. Word has length 94 [2024-11-18 14:53:35,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:53:35,479 INFO L471 AbstractCegarLoop]: Abstraction has 113431 states and 179032 transitions. [2024-11-18 14:53:35,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:35,480 INFO L276 IsEmpty]: Start isEmpty. Operand 113431 states and 179032 transitions. [2024-11-18 14:53:35,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-18 14:53:35,481 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:53:35,481 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:53:35,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-18 14:53:35,481 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:53:35,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:53:35,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1140588764, now seen corresponding path program 1 times [2024-11-18 14:53:35,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:53:35,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671419805] [2024-11-18 14:53:35,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:53:35,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:53:35,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:53:35,634 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:53:35,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:53:35,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671419805] [2024-11-18 14:53:35,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671419805] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:53:35,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:53:35,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:53:35,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551397014] [2024-11-18 14:53:35,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:53:35,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:53:35,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:53:35,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:53:35,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:53:35,637 INFO L87 Difference]: Start difference. First operand 113431 states and 179032 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:36,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:53:36,222 INFO L93 Difference]: Finished difference Result 164375 states and 259543 transitions. [2024-11-18 14:53:36,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:53:36,223 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-11-18 14:53:36,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:53:36,316 INFO L225 Difference]: With dead ends: 164375 [2024-11-18 14:53:36,316 INFO L226 Difference]: Without dead ends: 51049 [2024-11-18 14:53:36,389 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 14:53:36,390 INFO L432 NwaCegarLoop]: 240 mSDtfsCounter, 65 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 411 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 14:53:36,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 411 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:53:36,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51049 states. [2024-11-18 14:53:37,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51049 to 51047. [2024-11-18 14:53:37,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51047 states, 51046 states have (on average 1.5693883947811778) internal successors, (80111), 51046 states have internal predecessors, (80111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:37,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51047 states to 51047 states and 80111 transitions. [2024-11-18 14:53:37,407 INFO L78 Accepts]: Start accepts. Automaton has 51047 states and 80111 transitions. Word has length 94 [2024-11-18 14:53:37,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:53:37,408 INFO L471 AbstractCegarLoop]: Abstraction has 51047 states and 80111 transitions. [2024-11-18 14:53:37,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:37,408 INFO L276 IsEmpty]: Start isEmpty. Operand 51047 states and 80111 transitions. [2024-11-18 14:53:37,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-18 14:53:37,409 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:53:37,409 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:53:37,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-18 14:53:37,409 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:53:37,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:53:37,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1305716613, now seen corresponding path program 1 times [2024-11-18 14:53:37,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:53:37,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859942699] [2024-11-18 14:53:37,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:53:37,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:53:37,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:53:37,694 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-18 14:53:37,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:53:37,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859942699] [2024-11-18 14:53:37,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859942699] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:53:37,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:53:37,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 14:53:37,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038082466] [2024-11-18 14:53:37,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:53:37,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 14:53:37,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:53:37,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 14:53:37,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 14:53:37,700 INFO L87 Difference]: Start difference. First operand 51047 states and 80111 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:38,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:53:38,008 INFO L93 Difference]: Finished difference Result 115837 states and 182824 transitions. [2024-11-18 14:53:38,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 14:53:38,009 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-11-18 14:53:38,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:53:38,126 INFO L225 Difference]: With dead ends: 115837 [2024-11-18 14:53:38,126 INFO L226 Difference]: Without dead ends: 88419 [2024-11-18 14:53:38,168 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 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 14:53:38,168 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 380 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:53:38,169 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [380 Valid, 572 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:53:38,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88419 states. [2024-11-18 14:53:39,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88419 to 76867. [2024-11-18 14:53:39,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76867 states, 76866 states have (on average 1.5722556136653396) internal successors, (120853), 76866 states have internal predecessors, (120853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:39,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76867 states to 76867 states and 120853 transitions. [2024-11-18 14:53:39,372 INFO L78 Accepts]: Start accepts. Automaton has 76867 states and 120853 transitions. Word has length 94 [2024-11-18 14:53:39,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:53:39,372 INFO L471 AbstractCegarLoop]: Abstraction has 76867 states and 120853 transitions. [2024-11-18 14:53:39,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:39,372 INFO L276 IsEmpty]: Start isEmpty. Operand 76867 states and 120853 transitions. [2024-11-18 14:53:39,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-18 14:53:39,373 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:53:39,373 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:53:39,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-18 14:53:39,373 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:53:39,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:53:39,373 INFO L85 PathProgramCache]: Analyzing trace with hash 689656633, now seen corresponding path program 1 times [2024-11-18 14:53:39,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:53:39,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455495606] [2024-11-18 14:53:39,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:53:39,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:53:39,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:53:39,953 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-18 14:53:39,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:53:39,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455495606] [2024-11-18 14:53:39,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455495606] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:53:39,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:53:39,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 14:53:39,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562053017] [2024-11-18 14:53:39,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:53:39,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 14:53:39,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:53:39,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 14:53:39,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-18 14:53:39,959 INFO L87 Difference]: Start difference. First operand 76867 states and 120853 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:40,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:53:40,336 INFO L93 Difference]: Finished difference Result 135698 states and 213974 transitions. [2024-11-18 14:53:40,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 14:53:40,336 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-11-18 14:53:40,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:53:40,485 INFO L225 Difference]: With dead ends: 135698 [2024-11-18 14:53:40,485 INFO L226 Difference]: Without dead ends: 105796 [2024-11-18 14:53:40,532 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 14:53:40,532 INFO L432 NwaCegarLoop]: 324 mSDtfsCounter, 212 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 14:53:40,532 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 711 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 14:53:40,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105796 states. [2024-11-18 14:53:41,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105796 to 99671. [2024-11-18 14:53:41,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99671 states, 99670 states have (on average 1.5700411357479682) internal successors, (156486), 99670 states have internal predecessors, (156486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:42,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99671 states to 99671 states and 156486 transitions. [2024-11-18 14:53:42,030 INFO L78 Accepts]: Start accepts. Automaton has 99671 states and 156486 transitions. Word has length 94 [2024-11-18 14:53:42,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:53:42,030 INFO L471 AbstractCegarLoop]: Abstraction has 99671 states and 156486 transitions. [2024-11-18 14:53:42,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:42,031 INFO L276 IsEmpty]: Start isEmpty. Operand 99671 states and 156486 transitions. [2024-11-18 14:53:42,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-18 14:53:42,031 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:53:42,035 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:53:42,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-18 14:53:42,035 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:53:42,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:53:42,036 INFO L85 PathProgramCache]: Analyzing trace with hash 936937837, now seen corresponding path program 1 times [2024-11-18 14:53:42,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:53:42,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141992297] [2024-11-18 14:53:42,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:53:42,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:53:42,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:53:42,141 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:53:42,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:53:42,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141992297] [2024-11-18 14:53:42,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141992297] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:53:42,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:53:42,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:53:42,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67926472] [2024-11-18 14:53:42,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:53:42,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:53:42,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:53:42,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:53:42,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:53:42,145 INFO L87 Difference]: Start difference. First operand 99671 states and 156486 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:43,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:53:43,579 INFO L93 Difference]: Finished difference Result 293954 states and 461355 transitions. [2024-11-18 14:53:43,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:53:43,580 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2024-11-18 14:53:43,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:53:43,878 INFO L225 Difference]: With dead ends: 293954 [2024-11-18 14:53:43,878 INFO L226 Difference]: Without dead ends: 194367 [2024-11-18 14:53:43,952 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 14:53:43,953 INFO L432 NwaCegarLoop]: 294 mSDtfsCounter, 153 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:53:43,953 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 490 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:53:44,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194367 states. [2024-11-18 14:53:46,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194367 to 194365. [2024-11-18 14:53:46,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194365 states, 194364 states have (on average 1.5587145767734765) internal successors, (302958), 194364 states have internal predecessors, (302958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:46,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194365 states to 194365 states and 302958 transitions. [2024-11-18 14:53:46,597 INFO L78 Accepts]: Start accepts. Automaton has 194365 states and 302958 transitions. Word has length 95 [2024-11-18 14:53:46,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:53:46,597 INFO L471 AbstractCegarLoop]: Abstraction has 194365 states and 302958 transitions. [2024-11-18 14:53:46,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:46,597 INFO L276 IsEmpty]: Start isEmpty. Operand 194365 states and 302958 transitions. [2024-11-18 14:53:46,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-18 14:53:46,598 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:53:46,599 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:53:46,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-18 14:53:46,599 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:53:46,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:53:46,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1845821687, now seen corresponding path program 1 times [2024-11-18 14:53:46,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:53:46,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376276143] [2024-11-18 14:53:46,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:53:46,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:53:46,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:53:46,671 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:53:46,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:53:46,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376276143] [2024-11-18 14:53:46,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376276143] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:53:46,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:53:46,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:53:46,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661416622] [2024-11-18 14:53:46,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:53:46,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:53:46,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:53:46,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:53:46,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:53:46,674 INFO L87 Difference]: Start difference. First operand 194365 states and 302958 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:49,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:53:49,171 INFO L93 Difference]: Finished difference Result 571490 states and 890433 transitions. [2024-11-18 14:53:49,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:53:49,172 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2024-11-18 14:53:49,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:53:49,904 INFO L225 Difference]: With dead ends: 571490 [2024-11-18 14:53:49,905 INFO L226 Difference]: Without dead ends: 377254 [2024-11-18 14:53:50,106 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 14:53:50,107 INFO L432 NwaCegarLoop]: 261 mSDtfsCounter, 135 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:53:50,107 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 457 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:53:51,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377254 states. [2024-11-18 14:53:55,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377254 to 377252. [2024-11-18 14:53:55,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377252 states, 377251 states have (on average 1.5459892750449966) internal successors, (583226), 377251 states have internal predecessors, (583226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:56,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377252 states to 377252 states and 583226 transitions. [2024-11-18 14:53:56,682 INFO L78 Accepts]: Start accepts. Automaton has 377252 states and 583226 transitions. Word has length 95 [2024-11-18 14:53:56,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:53:56,683 INFO L471 AbstractCegarLoop]: Abstraction has 377252 states and 583226 transitions. [2024-11-18 14:53:56,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:53:56,683 INFO L276 IsEmpty]: Start isEmpty. Operand 377252 states and 583226 transitions. [2024-11-18 14:53:56,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-18 14:53:56,685 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:53:56,685 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:53:56,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-18 14:53:56,685 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:53:56,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:53:56,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1385537563, now seen corresponding path program 1 times [2024-11-18 14:53:56,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:53:56,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978162788] [2024-11-18 14:53:56,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:53:56,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:53:56,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:53:56,784 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-18 14:53:56,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:53:56,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978162788] [2024-11-18 14:53:56,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978162788] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:53:56,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:53:56,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 14:53:56,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798970952] [2024-11-18 14:53:56,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:53:56,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 14:53:56,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:53:56,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 14:53:56,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-18 14:53:56,787 INFO L87 Difference]: Start difference. First operand 377252 states and 583226 transitions. Second operand has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 14:54:00,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:54:00,365 INFO L93 Difference]: Finished difference Result 577730 states and 895701 transitions. [2024-11-18 14:54:00,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 14:54:00,366 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-18 14:54:00,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:54:01,418 INFO L225 Difference]: With dead ends: 577730 [2024-11-18 14:54:01,418 INFO L226 Difference]: Without dead ends: 412024 [2024-11-18 14:54:01,595 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 14:54:01,596 INFO L432 NwaCegarLoop]: 326 mSDtfsCounter, 210 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 14:54:01,597 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 635 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 14:54:01,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412024 states.