./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/systemc/toy2.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/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/systemc/toy2.cil.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 a77d6f304c19846fdc8cd5bba9216d69953659ded966cffbf7faa285e2d864a4 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 02:20:44,621 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 02:20:44,709 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 02:20:44,713 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 02:20:44,714 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 02:20:44,744 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 02:20:44,745 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 02:20:44,745 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 02:20:44,746 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 02:20:44,746 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 02:20:44,747 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 02:20:44,747 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 02:20:44,748 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 02:20:44,750 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 02:20:44,751 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 02:20:44,751 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 02:20:44,751 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 02:20:44,752 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 02:20:44,752 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 02:20:44,752 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 02:20:44,752 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 02:20:44,756 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 02:20:44,756 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 02:20:44,756 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 02:20:44,757 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 02:20:44,757 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 02:20:44,757 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 02:20:44,757 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 02:20:44,757 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 02:20:44,758 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 02:20:44,758 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 02:20:44,758 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 02:20:44,758 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 02:20:44,758 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 02:20:44,759 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 02:20:44,759 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 02:20:44,760 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 02:20:44,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 02:20:44,761 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 02:20:44,761 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 02:20:44,761 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 02:20:44,762 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 02:20:44,762 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a77d6f304c19846fdc8cd5bba9216d69953659ded966cffbf7faa285e2d864a4 [2024-11-22 02:20:45,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 02:20:45,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 02:20:45,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 02:20:45,037 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 02:20:45,038 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 02:20:45,039 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/toy2.cil.c [2024-11-22 02:20:46,590 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 02:20:46,781 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 02:20:46,781 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/toy2.cil.c [2024-11-22 02:20:46,792 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/739c8ee59/59d6f9d1c12e4c8f9bdd91f842f3b74f/FLAG383f5f725 [2024-11-22 02:20:46,807 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/739c8ee59/59d6f9d1c12e4c8f9bdd91f842f3b74f [2024-11-22 02:20:46,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 02:20:46,810 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 02:20:46,812 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 02:20:46,812 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 02:20:46,817 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 02:20:46,817 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:20:46" (1/1) ... [2024-11-22 02:20:46,818 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@455087c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:20:46, skipping insertion in model container [2024-11-22 02:20:46,818 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:20:46" (1/1) ... [2024-11-22 02:20:46,857 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 02:20:47,048 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/systemc/toy2.cil.c[698,711] [2024-11-22 02:20:47,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 02:20:47,166 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 02:20:47,181 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/systemc/toy2.cil.c[698,711] [2024-11-22 02:20:47,217 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 02:20:47,233 INFO L204 MainTranslator]: Completed translation [2024-11-22 02:20:47,233 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:20:47 WrapperNode [2024-11-22 02:20:47,234 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 02:20:47,235 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 02:20:47,235 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 02:20:47,235 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 02:20:47,243 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:20:47" (1/1) ... [2024-11-22 02:20:47,256 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:20:47" (1/1) ... [2024-11-22 02:20:47,294 INFO L138 Inliner]: procedures = 20, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 365 [2024-11-22 02:20:47,295 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 02:20:47,296 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 02:20:47,297 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 02:20:47,297 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 02:20:47,308 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:20:47" (1/1) ... [2024-11-22 02:20:47,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:20:47" (1/1) ... [2024-11-22 02:20:47,311 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:20:47" (1/1) ... [2024-11-22 02:20:47,335 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]. [2024-11-22 02:20:47,336 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:20:47" (1/1) ... [2024-11-22 02:20:47,336 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:20:47" (1/1) ... [2024-11-22 02:20:47,344 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:20:47" (1/1) ... [2024-11-22 02:20:47,350 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:20:47" (1/1) ... [2024-11-22 02:20:47,352 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:20:47" (1/1) ... [2024-11-22 02:20:47,354 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:20:47" (1/1) ... [2024-11-22 02:20:47,357 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 02:20:47,358 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 02:20:47,358 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 02:20:47,358 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 02:20:47,359 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:20:47" (1/1) ... [2024-11-22 02:20:47,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 02:20:47,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 02:20:47,402 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) [2024-11-22 02:20:47,405 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 [2024-11-22 02:20:47,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 02:20:47,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 02:20:47,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 02:20:47,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 02:20:47,559 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 02:20:47,563 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 02:20:47,984 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-22 02:20:47,984 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 02:20:48,005 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 02:20:48,006 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-22 02:20:48,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:20:48 BoogieIcfgContainer [2024-11-22 02:20:48,007 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 02:20:48,010 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 02:20:48,011 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 02:20:48,014 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 02:20:48,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:20:46" (1/3) ... [2024-11-22 02:20:48,015 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@535fe50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:20:48, skipping insertion in model container [2024-11-22 02:20:48,016 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:20:47" (2/3) ... [2024-11-22 02:20:48,016 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@535fe50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:20:48, skipping insertion in model container [2024-11-22 02:20:48,017 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:20:48" (3/3) ... [2024-11-22 02:20:48,018 INFO L112 eAbstractionObserver]: Analyzing ICFG toy2.cil.c [2024-11-22 02:20:48,031 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 02:20:48,031 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 02:20:48,085 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 02:20:48,094 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;@cf20ba2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 02:20:48,094 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 02:20:48,098 INFO L276 IsEmpty]: Start isEmpty. Operand has 131 states, 129 states have (on average 1.8372093023255813) internal successors, (237), 130 states have internal predecessors, (237), 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) [2024-11-22 02:20:48,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-22 02:20:48,105 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:20:48,105 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] [2024-11-22 02:20:48,106 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:20:48,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:20:48,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1633671955, now seen corresponding path program 1 times [2024-11-22 02:20:48,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:20:48,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829729348] [2024-11-22 02:20:48,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:20:48,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:20:48,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:20:48,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:20:48,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:20:48,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829729348] [2024-11-22 02:20:48,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829729348] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:20:48,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:20:48,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:20:48,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71242181] [2024-11-22 02:20:48,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:20:48,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:20:48,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:20:48,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:20:48,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:20:48,483 INFO L87 Difference]: Start difference. First operand has 131 states, 129 states have (on average 1.8372093023255813) internal successors, (237), 130 states have internal predecessors, (237), 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 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2024-11-22 02:20:48,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:20:48,533 INFO L93 Difference]: Finished difference Result 253 states and 460 transitions. [2024-11-22 02:20:48,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:20:48,536 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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 35 [2024-11-22 02:20:48,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:20:48,561 INFO L225 Difference]: With dead ends: 253 [2024-11-22 02:20:48,562 INFO L226 Difference]: Without dead ends: 126 [2024-11-22 02:20:48,564 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 [2024-11-22 02:20:48,567 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 217 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:20:48,568 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 221 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:20:48,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-22 02:20:48,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2024-11-22 02:20:48,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 125 states have (on average 1.744) internal successors, (218), 125 states have internal predecessors, (218), 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) [2024-11-22 02:20:48,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 218 transitions. [2024-11-22 02:20:48,611 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 218 transitions. Word has length 35 [2024-11-22 02:20:48,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:20:48,612 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 218 transitions. [2024-11-22 02:20:48,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2024-11-22 02:20:48,613 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 218 transitions. [2024-11-22 02:20:48,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-22 02:20:48,614 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:20:48,615 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] [2024-11-22 02:20:48,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 02:20:48,615 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:20:48,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:20:48,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1611039701, now seen corresponding path program 1 times [2024-11-22 02:20:48,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:20:48,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300100315] [2024-11-22 02:20:48,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:20:48,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:20:48,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:20:48,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:20:48,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:20:48,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300100315] [2024-11-22 02:20:48,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300100315] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:20:48,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:20:48,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 02:20:48,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703127595] [2024-11-22 02:20:48,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:20:48,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 02:20:48,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:20:48,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 02:20:48,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 02:20:48,770 INFO L87 Difference]: Start difference. First operand 126 states and 218 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2024-11-22 02:20:48,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:20:48,851 INFO L93 Difference]: Finished difference Result 340 states and 586 transitions. [2024-11-22 02:20:48,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 02:20:48,853 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 35 [2024-11-22 02:20:48,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:20:48,855 INFO L225 Difference]: With dead ends: 340 [2024-11-22 02:20:48,855 INFO L226 Difference]: Without dead ends: 217 [2024-11-22 02:20:48,856 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 [2024-11-22 02:20:48,857 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 568 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 568 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:20:48,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [568 Valid, 366 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:20:48,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-11-22 02:20:48,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 214. [2024-11-22 02:20:48,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 213 states have (on average 1.7230046948356808) internal successors, (367), 213 states have internal predecessors, (367), 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) [2024-11-22 02:20:48,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 367 transitions. [2024-11-22 02:20:48,894 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 367 transitions. Word has length 35 [2024-11-22 02:20:48,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:20:48,894 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 367 transitions. [2024-11-22 02:20:48,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2024-11-22 02:20:48,895 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 367 transitions. [2024-11-22 02:20:48,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-22 02:20:48,898 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:20:48,898 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] [2024-11-22 02:20:48,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 02:20:48,899 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:20:48,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:20:48,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1101566611, now seen corresponding path program 1 times [2024-11-22 02:20:48,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:20:48,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006134641] [2024-11-22 02:20:48,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:20:48,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:20:48,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:20:49,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:20:49,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:20:49,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006134641] [2024-11-22 02:20:49,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006134641] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:20:49,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:20:49,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:20:49,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037230712] [2024-11-22 02:20:49,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:20:49,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:20:49,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:20:49,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:20:49,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:20:49,048 INFO L87 Difference]: Start difference. First operand 214 states and 367 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2024-11-22 02:20:49,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:20:49,104 INFO L93 Difference]: Finished difference Result 419 states and 721 transitions. [2024-11-22 02:20:49,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:20:49,104 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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 35 [2024-11-22 02:20:49,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:20:49,106 INFO L225 Difference]: With dead ends: 419 [2024-11-22 02:20:49,106 INFO L226 Difference]: Without dead ends: 214 [2024-11-22 02:20:49,108 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 [2024-11-22 02:20:49,113 INFO L432 NwaCegarLoop]: 197 mSDtfsCounter, 187 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:20:49,113 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 201 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:20:49,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-11-22 02:20:49,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2024-11-22 02:20:49,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 213 states have (on average 1.6666666666666667) internal successors, (355), 213 states have internal predecessors, (355), 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) [2024-11-22 02:20:49,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 355 transitions. [2024-11-22 02:20:49,139 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 355 transitions. Word has length 35 [2024-11-22 02:20:49,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:20:49,140 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 355 transitions. [2024-11-22 02:20:49,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2024-11-22 02:20:49,140 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 355 transitions. [2024-11-22 02:20:49,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-22 02:20:49,141 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:20:49,141 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] [2024-11-22 02:20:49,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 02:20:49,144 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:20:49,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:20:49,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1744930967, now seen corresponding path program 1 times [2024-11-22 02:20:49,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:20:49,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007260140] [2024-11-22 02:20:49,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:20:49,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:20:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:20:49,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:20:49,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:20:49,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007260140] [2024-11-22 02:20:49,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007260140] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:20:49,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:20:49,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 02:20:49,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290799741] [2024-11-22 02:20:49,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:20:49,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 02:20:49,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:20:49,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 02:20:49,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 02:20:49,233 INFO L87 Difference]: Start difference. First operand 214 states and 355 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2024-11-22 02:20:49,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:20:49,341 INFO L93 Difference]: Finished difference Result 583 states and 968 transitions. [2024-11-22 02:20:49,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:20:49,342 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 35 [2024-11-22 02:20:49,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:20:49,345 INFO L225 Difference]: With dead ends: 583 [2024-11-22 02:20:49,345 INFO L226 Difference]: Without dead ends: 379 [2024-11-22 02:20:49,349 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:20:49,350 INFO L432 NwaCegarLoop]: 316 mSDtfsCounter, 365 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:20:49,350 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 452 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:20:49,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2024-11-22 02:20:49,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 214. [2024-11-22 02:20:49,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 213 states have (on average 1.6525821596244132) internal successors, (352), 213 states have internal predecessors, (352), 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) [2024-11-22 02:20:49,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 352 transitions. [2024-11-22 02:20:49,382 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 352 transitions. Word has length 35 [2024-11-22 02:20:49,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:20:49,382 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 352 transitions. [2024-11-22 02:20:49,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2024-11-22 02:20:49,383 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 352 transitions. [2024-11-22 02:20:49,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-22 02:20:49,383 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:20:49,384 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] [2024-11-22 02:20:49,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 02:20:49,384 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:20:49,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:20:49,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1806970581, now seen corresponding path program 1 times [2024-11-22 02:20:49,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:20:49,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316256913] [2024-11-22 02:20:49,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:20:49,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:20:49,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:20:49,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:20:49,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:20:49,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316256913] [2024-11-22 02:20:49,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316256913] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:20:49,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:20:49,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 02:20:49,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475696204] [2024-11-22 02:20:49,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:20:49,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 02:20:49,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:20:49,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 02:20:49,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 02:20:49,455 INFO L87 Difference]: Start difference. First operand 214 states and 352 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2024-11-22 02:20:49,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:20:49,561 INFO L93 Difference]: Finished difference Result 584 states and 962 transitions. [2024-11-22 02:20:49,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:20:49,562 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 35 [2024-11-22 02:20:49,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:20:49,564 INFO L225 Difference]: With dead ends: 584 [2024-11-22 02:20:49,564 INFO L226 Difference]: Without dead ends: 381 [2024-11-22 02:20:49,565 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:20:49,566 INFO L432 NwaCegarLoop]: 318 mSDtfsCounter, 363 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:20:49,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [363 Valid, 459 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:20:49,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2024-11-22 02:20:49,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 214. [2024-11-22 02:20:49,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 213 states have (on average 1.6384976525821595) internal successors, (349), 213 states have internal predecessors, (349), 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) [2024-11-22 02:20:49,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 349 transitions. [2024-11-22 02:20:49,588 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 349 transitions. Word has length 35 [2024-11-22 02:20:49,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:20:49,589 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 349 transitions. [2024-11-22 02:20:49,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2024-11-22 02:20:49,589 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 349 transitions. [2024-11-22 02:20:49,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-22 02:20:49,592 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:20:49,592 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] [2024-11-22 02:20:49,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 02:20:49,593 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:20:49,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:20:49,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1947519191, now seen corresponding path program 1 times [2024-11-22 02:20:49,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:20:49,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343644605] [2024-11-22 02:20:49,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:20:49,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:20:49,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:20:49,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:20:49,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:20:49,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343644605] [2024-11-22 02:20:49,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343644605] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:20:49,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:20:49,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 02:20:49,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079450851] [2024-11-22 02:20:49,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:20:49,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 02:20:49,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:20:49,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 02:20:49,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 02:20:49,660 INFO L87 Difference]: Start difference. First operand 214 states and 349 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2024-11-22 02:20:49,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:20:49,741 INFO L93 Difference]: Finished difference Result 598 states and 975 transitions. [2024-11-22 02:20:49,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:20:49,741 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 35 [2024-11-22 02:20:49,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:20:49,743 INFO L225 Difference]: With dead ends: 598 [2024-11-22 02:20:49,744 INFO L226 Difference]: Without dead ends: 396 [2024-11-22 02:20:49,744 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:20:49,745 INFO L432 NwaCegarLoop]: 324 mSDtfsCounter, 369 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:20:49,748 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 469 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:20:49,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-11-22 02:20:49,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 220. [2024-11-22 02:20:49,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 219 states have (on average 1.6118721461187215) internal successors, (353), 219 states have internal predecessors, (353), 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) [2024-11-22 02:20:49,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 353 transitions. [2024-11-22 02:20:49,766 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 353 transitions. Word has length 35 [2024-11-22 02:20:49,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:20:49,769 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 353 transitions. [2024-11-22 02:20:49,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2024-11-22 02:20:49,769 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 353 transitions. [2024-11-22 02:20:49,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-22 02:20:49,770 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:20:49,770 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] [2024-11-22 02:20:49,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 02:20:49,771 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:20:49,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:20:49,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1813505685, now seen corresponding path program 1 times [2024-11-22 02:20:49,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:20:49,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165525532] [2024-11-22 02:20:49,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:20:49,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:20:49,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:20:49,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:20:49,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:20:49,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165525532] [2024-11-22 02:20:49,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165525532] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:20:49,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:20:49,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 02:20:49,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887780214] [2024-11-22 02:20:49,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:20:49,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 02:20:49,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:20:49,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 02:20:49,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 02:20:49,832 INFO L87 Difference]: Start difference. First operand 220 states and 353 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2024-11-22 02:20:49,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:20:49,932 INFO L93 Difference]: Finished difference Result 751 states and 1203 transitions. [2024-11-22 02:20:49,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:20:49,933 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 35 [2024-11-22 02:20:49,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:20:49,935 INFO L225 Difference]: With dead ends: 751 [2024-11-22 02:20:49,935 INFO L226 Difference]: Without dead ends: 544 [2024-11-22 02:20:49,938 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:20:49,939 INFO L432 NwaCegarLoop]: 316 mSDtfsCounter, 365 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:20:49,939 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 561 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:20:49,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2024-11-22 02:20:49,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 361. [2024-11-22 02:20:49,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 360 states have (on average 1.5944444444444446) internal successors, (574), 360 states have internal predecessors, (574), 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) [2024-11-22 02:20:49,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 574 transitions. [2024-11-22 02:20:49,967 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 574 transitions. Word has length 35 [2024-11-22 02:20:49,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:20:49,968 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 574 transitions. [2024-11-22 02:20:49,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2024-11-22 02:20:49,968 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 574 transitions. [2024-11-22 02:20:49,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-22 02:20:49,969 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:20:49,969 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] [2024-11-22 02:20:49,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 02:20:49,969 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:20:49,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:20:49,970 INFO L85 PathProgramCache]: Analyzing trace with hash 8067351, now seen corresponding path program 1 times [2024-11-22 02:20:49,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:20:49,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653874815] [2024-11-22 02:20:49,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:20:49,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:20:49,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:20:50,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:20:50,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:20:50,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653874815] [2024-11-22 02:20:50,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653874815] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:20:50,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:20:50,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:20:50,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179025400] [2024-11-22 02:20:50,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:20:50,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:20:50,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:20:50,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:20:50,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:20:50,026 INFO L87 Difference]: Start difference. First operand 361 states and 574 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2024-11-22 02:20:50,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:20:50,070 INFO L93 Difference]: Finished difference Result 862 states and 1375 transitions. [2024-11-22 02:20:50,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:20:50,071 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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 35 [2024-11-22 02:20:50,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:20:50,074 INFO L225 Difference]: With dead ends: 862 [2024-11-22 02:20:50,074 INFO L226 Difference]: Without dead ends: 525 [2024-11-22 02:20:50,075 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 [2024-11-22 02:20:50,076 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 175 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:20:50,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 339 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:20:50,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2024-11-22 02:20:50,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 523. [2024-11-22 02:20:50,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 522 states have (on average 1.5900383141762453) internal successors, (830), 522 states have internal predecessors, (830), 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) [2024-11-22 02:20:50,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 830 transitions. [2024-11-22 02:20:50,130 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 830 transitions. Word has length 35 [2024-11-22 02:20:50,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:20:50,130 INFO L471 AbstractCegarLoop]: Abstraction has 523 states and 830 transitions. [2024-11-22 02:20:50,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2024-11-22 02:20:50,131 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 830 transitions. [2024-11-22 02:20:50,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-22 02:20:50,131 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:20:50,132 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] [2024-11-22 02:20:50,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 02:20:50,132 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:20:50,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:20:50,133 INFO L85 PathProgramCache]: Analyzing trace with hash 2127880731, now seen corresponding path program 1 times [2024-11-22 02:20:50,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:20:50,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675831290] [2024-11-22 02:20:50,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:20:50,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:20:50,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:20:50,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:20:50,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:20:50,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675831290] [2024-11-22 02:20:50,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675831290] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:20:50,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:20:50,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 02:20:50,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730736636] [2024-11-22 02:20:50,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:20:50,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 02:20:50,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:20:50,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 02:20:50,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 02:20:50,187 INFO L87 Difference]: Start difference. First operand 523 states and 830 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2024-11-22 02:20:50,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:20:50,284 INFO L93 Difference]: Finished difference Result 1331 states and 2113 transitions. [2024-11-22 02:20:50,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 02:20:50,288 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 35 [2024-11-22 02:20:50,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:20:50,291 INFO L225 Difference]: With dead ends: 1331 [2024-11-22 02:20:50,292 INFO L226 Difference]: Without dead ends: 825 [2024-11-22 02:20:50,293 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 [2024-11-22 02:20:50,294 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 477 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 477 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:20:50,294 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [477 Valid, 327 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:20:50,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2024-11-22 02:20:50,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 523. [2024-11-22 02:20:50,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 522 states have (on average 1.5747126436781609) internal successors, (822), 522 states have internal predecessors, (822), 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) [2024-11-22 02:20:50,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 822 transitions. [2024-11-22 02:20:50,325 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 822 transitions. Word has length 35 [2024-11-22 02:20:50,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:20:50,325 INFO L471 AbstractCegarLoop]: Abstraction has 523 states and 822 transitions. [2024-11-22 02:20:50,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2024-11-22 02:20:50,325 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 822 transitions. [2024-11-22 02:20:50,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-22 02:20:50,326 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:20:50,326 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] [2024-11-22 02:20:50,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 02:20:50,326 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:20:50,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:20:50,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1106812377, now seen corresponding path program 1 times [2024-11-22 02:20:50,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:20:50,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649815041] [2024-11-22 02:20:50,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:20:50,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:20:50,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:20:50,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:20:50,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:20:50,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649815041] [2024-11-22 02:20:50,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649815041] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:20:50,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:20:50,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 02:20:50,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400482528] [2024-11-22 02:20:50,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:20:50,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 02:20:50,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:20:50,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 02:20:50,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 02:20:50,371 INFO L87 Difference]: Start difference. First operand 523 states and 822 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2024-11-22 02:20:50,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:20:50,484 INFO L93 Difference]: Finished difference Result 1331 states and 2090 transitions. [2024-11-22 02:20:50,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 02:20:50,485 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 35 [2024-11-22 02:20:50,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:20:50,488 INFO L225 Difference]: With dead ends: 1331 [2024-11-22 02:20:50,488 INFO L226 Difference]: Without dead ends: 831 [2024-11-22 02:20:50,490 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 [2024-11-22 02:20:50,490 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 461 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 461 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:20:50,490 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [461 Valid, 316 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:20:50,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2024-11-22 02:20:50,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 523. [2024-11-22 02:20:50,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 522 states have (on average 1.5593869731800767) internal successors, (814), 522 states have internal predecessors, (814), 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) [2024-11-22 02:20:50,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 814 transitions. [2024-11-22 02:20:50,519 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 814 transitions. Word has length 35 [2024-11-22 02:20:50,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:20:50,521 INFO L471 AbstractCegarLoop]: Abstraction has 523 states and 814 transitions. [2024-11-22 02:20:50,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2024-11-22 02:20:50,521 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 814 transitions. [2024-11-22 02:20:50,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-22 02:20:50,522 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:20:50,522 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] [2024-11-22 02:20:50,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-22 02:20:50,523 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:20:50,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:20:50,523 INFO L85 PathProgramCache]: Analyzing trace with hash 95695127, now seen corresponding path program 1 times [2024-11-22 02:20:50,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:20:50,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613491612] [2024-11-22 02:20:50,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:20:50,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:20:50,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:20:50,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:20:50,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:20:50,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613491612] [2024-11-22 02:20:50,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613491612] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:20:50,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:20:50,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 02:20:50,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589059934] [2024-11-22 02:20:50,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:20:50,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 02:20:50,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:20:50,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 02:20:50,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 02:20:50,583 INFO L87 Difference]: Start difference. First operand 523 states and 814 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2024-11-22 02:20:50,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:20:50,692 INFO L93 Difference]: Finished difference Result 1262 states and 1962 transitions. [2024-11-22 02:20:50,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 02:20:50,692 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 35 [2024-11-22 02:20:50,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:20:50,696 INFO L225 Difference]: With dead ends: 1262 [2024-11-22 02:20:50,696 INFO L226 Difference]: Without dead ends: 756 [2024-11-22 02:20:50,697 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 [2024-11-22 02:20:50,698 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 473 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 473 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:20:50,698 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [473 Valid, 346 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:20:50,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2024-11-22 02:20:50,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 571. [2024-11-22 02:20:50,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 570 states have (on average 1.5280701754385966) internal successors, (871), 570 states have internal predecessors, (871), 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) [2024-11-22 02:20:50,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 871 transitions. [2024-11-22 02:20:50,728 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 871 transitions. Word has length 35 [2024-11-22 02:20:50,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:20:50,728 INFO L471 AbstractCegarLoop]: Abstraction has 571 states and 871 transitions. [2024-11-22 02:20:50,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2024-11-22 02:20:50,728 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 871 transitions. [2024-11-22 02:20:50,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-22 02:20:50,729 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:20:50,729 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] [2024-11-22 02:20:50,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-22 02:20:50,730 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:20:50,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:20:50,730 INFO L85 PathProgramCache]: Analyzing trace with hash 353860565, now seen corresponding path program 1 times [2024-11-22 02:20:50,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:20:50,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597098525] [2024-11-22 02:20:50,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:20:50,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:20:50,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:20:50,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:20:50,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:20:50,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597098525] [2024-11-22 02:20:50,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597098525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:20:50,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:20:50,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:20:50,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494242155] [2024-11-22 02:20:50,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:20:50,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:20:50,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:20:50,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:20:50,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:20:50,765 INFO L87 Difference]: Start difference. First operand 571 states and 871 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2024-11-22 02:20:50,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:20:50,831 INFO L93 Difference]: Finished difference Result 1360 states and 2080 transitions. [2024-11-22 02:20:50,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:20:50,832 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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 35 [2024-11-22 02:20:50,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:20:50,835 INFO L225 Difference]: With dead ends: 1360 [2024-11-22 02:20:50,835 INFO L226 Difference]: Without dead ends: 803 [2024-11-22 02:20:50,837 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 [2024-11-22 02:20:50,838 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 118 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:20:50,838 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 308 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:20:50,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2024-11-22 02:20:50,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 800. [2024-11-22 02:20:50,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 800 states, 799 states have (on average 1.5106382978723405) internal successors, (1207), 799 states have internal predecessors, (1207), 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) [2024-11-22 02:20:50,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 1207 transitions. [2024-11-22 02:20:50,875 INFO L78 Accepts]: Start accepts. Automaton has 800 states and 1207 transitions. Word has length 35 [2024-11-22 02:20:50,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:20:50,876 INFO L471 AbstractCegarLoop]: Abstraction has 800 states and 1207 transitions. [2024-11-22 02:20:50,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2024-11-22 02:20:50,876 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1207 transitions. [2024-11-22 02:20:50,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-22 02:20:50,877 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:20:50,877 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] [2024-11-22 02:20:50,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-22 02:20:50,877 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:20:50,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:20:50,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1873814635, now seen corresponding path program 1 times [2024-11-22 02:20:50,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:20:50,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410105475] [2024-11-22 02:20:50,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:20:50,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:20:50,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:20:50,905 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:20:50,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:20:50,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410105475] [2024-11-22 02:20:50,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410105475] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:20:50,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:20:50,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:20:50,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693612577] [2024-11-22 02:20:50,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:20:50,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:20:50,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:20:50,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:20:50,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:20:50,907 INFO L87 Difference]: Start difference. First operand 800 states and 1207 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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) [2024-11-22 02:20:50,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:20:50,969 INFO L93 Difference]: Finished difference Result 1981 states and 3020 transitions. [2024-11-22 02:20:50,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:20:50,970 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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 46 [2024-11-22 02:20:50,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:20:50,974 INFO L225 Difference]: With dead ends: 1981 [2024-11-22 02:20:50,974 INFO L226 Difference]: Without dead ends: 1208 [2024-11-22 02:20:50,975 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 [2024-11-22 02:20:50,976 INFO L432 NwaCegarLoop]: 243 mSDtfsCounter, 79 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:20:50,976 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 408 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:20:50,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1208 states. [2024-11-22 02:20:51,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1208 to 1206. [2024-11-22 02:20:51,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1206 states, 1205 states have (on average 1.5161825726141078) internal successors, (1827), 1205 states have internal predecessors, (1827), 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) [2024-11-22 02:20:51,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 1206 states and 1827 transitions. [2024-11-22 02:20:51,047 INFO L78 Accepts]: Start accepts. Automaton has 1206 states and 1827 transitions. Word has length 46 [2024-11-22 02:20:51,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:20:51,048 INFO L471 AbstractCegarLoop]: Abstraction has 1206 states and 1827 transitions. [2024-11-22 02:20:51,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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) [2024-11-22 02:20:51,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1827 transitions. [2024-11-22 02:20:51,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-22 02:20:51,049 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:20:51,049 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] [2024-11-22 02:20:51,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-22 02:20:51,049 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:20:51,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:20:51,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1625668141, now seen corresponding path program 1 times [2024-11-22 02:20:51,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:20:51,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694461795] [2024-11-22 02:20:51,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:20:51,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:20:51,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:20:51,087 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-22 02:20:51,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:20:51,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694461795] [2024-11-22 02:20:51,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694461795] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:20:51,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:20:51,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:20:51,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166545691] [2024-11-22 02:20:51,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:20:51,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:20:51,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:20:51,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:20:51,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:20:51,089 INFO L87 Difference]: Start difference. First operand 1206 states and 1827 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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) [2024-11-22 02:20:51,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:20:51,146 INFO L93 Difference]: Finished difference Result 2363 states and 3595 transitions. [2024-11-22 02:20:51,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:20:51,146 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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 46 [2024-11-22 02:20:51,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:20:51,151 INFO L225 Difference]: With dead ends: 2363 [2024-11-22 02:20:51,151 INFO L226 Difference]: Without dead ends: 1184 [2024-11-22 02:20:51,155 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 [2024-11-22 02:20:51,156 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 177 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:20:51,156 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 180 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:20:51,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1184 states. [2024-11-22 02:20:51,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1184 to 1184. [2024-11-22 02:20:51,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1184 states, 1183 states have (on average 1.521555367709214) internal successors, (1800), 1183 states have internal predecessors, (1800), 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) [2024-11-22 02:20:51,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 1800 transitions. [2024-11-22 02:20:51,215 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 1800 transitions. Word has length 46 [2024-11-22 02:20:51,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:20:51,215 INFO L471 AbstractCegarLoop]: Abstraction has 1184 states and 1800 transitions. [2024-11-22 02:20:51,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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) [2024-11-22 02:20:51,216 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1800 transitions. [2024-11-22 02:20:51,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-22 02:20:51,216 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:20:51,217 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] [2024-11-22 02:20:51,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-22 02:20:51,217 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:20:51,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:20:51,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1361258509, now seen corresponding path program 1 times [2024-11-22 02:20:51,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:20:51,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727955687] [2024-11-22 02:20:51,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:20:51,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:20:51,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:20:51,264 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:20:51,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:20:51,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727955687] [2024-11-22 02:20:51,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727955687] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:20:51,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:20:51,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:20:51,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393903960] [2024-11-22 02:20:51,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:20:51,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:20:51,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:20:51,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:20:51,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:20:51,266 INFO L87 Difference]: Start difference. First operand 1184 states and 1800 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2024-11-22 02:20:51,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:20:51,371 INFO L93 Difference]: Finished difference Result 3020 states and 4639 transitions. [2024-11-22 02:20:51,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:20:51,372 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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 47 [2024-11-22 02:20:51,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:20:51,379 INFO L225 Difference]: With dead ends: 3020 [2024-11-22 02:20:51,379 INFO L226 Difference]: Without dead ends: 1863 [2024-11-22 02:20:51,382 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 [2024-11-22 02:20:51,382 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 80 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:20:51,383 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 318 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:20:51,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1863 states. [2024-11-22 02:20:51,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1863 to 1861. [2024-11-22 02:20:51,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1861 states, 1860 states have (on average 1.528494623655914) internal successors, (2843), 1860 states have internal predecessors, (2843), 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) [2024-11-22 02:20:51,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1861 states to 1861 states and 2843 transitions. [2024-11-22 02:20:51,500 INFO L78 Accepts]: Start accepts. Automaton has 1861 states and 2843 transitions. Word has length 47 [2024-11-22 02:20:51,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:20:51,500 INFO L471 AbstractCegarLoop]: Abstraction has 1861 states and 2843 transitions. [2024-11-22 02:20:51,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2024-11-22 02:20:51,501 INFO L276 IsEmpty]: Start isEmpty. Operand 1861 states and 2843 transitions. [2024-11-22 02:20:51,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-22 02:20:51,502 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:20:51,502 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] [2024-11-22 02:20:51,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-22 02:20:51,502 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:20:51,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:20:51,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1966615625, now seen corresponding path program 1 times [2024-11-22 02:20:51,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:20:51,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757171888] [2024-11-22 02:20:51,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:20:51,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:20:51,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:20:51,536 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:20:51,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:20:51,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757171888] [2024-11-22 02:20:51,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757171888] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:20:51,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:20:51,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:20:51,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742818987] [2024-11-22 02:20:51,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:20:51,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:20:51,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:20:51,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:20:51,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:20:51,540 INFO L87 Difference]: Start difference. First operand 1861 states and 2843 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2024-11-22 02:20:51,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:20:51,701 INFO L93 Difference]: Finished difference Result 5004 states and 7733 transitions. [2024-11-22 02:20:51,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:20:51,702 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 48 [2024-11-22 02:20:51,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:20:51,714 INFO L225 Difference]: With dead ends: 5004 [2024-11-22 02:20:51,714 INFO L226 Difference]: Without dead ends: 3172 [2024-11-22 02:20:51,717 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 [2024-11-22 02:20:51,718 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 84 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:20:51,718 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 379 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:20:51,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3172 states. [2024-11-22 02:20:51,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3172 to 3170. [2024-11-22 02:20:51,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3170 states, 3169 states have (on average 1.5392868412748502) internal successors, (4878), 3169 states have internal predecessors, (4878), 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) [2024-11-22 02:20:51,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3170 states to 3170 states and 4878 transitions. [2024-11-22 02:20:51,895 INFO L78 Accepts]: Start accepts. Automaton has 3170 states and 4878 transitions. Word has length 48 [2024-11-22 02:20:51,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:20:51,895 INFO L471 AbstractCegarLoop]: Abstraction has 3170 states and 4878 transitions. [2024-11-22 02:20:51,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2024-11-22 02:20:51,895 INFO L276 IsEmpty]: Start isEmpty. Operand 3170 states and 4878 transitions. [2024-11-22 02:20:51,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-22 02:20:51,897 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:20:51,897 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] [2024-11-22 02:20:51,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-22 02:20:51,897 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:20:51,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:20:51,898 INFO L85 PathProgramCache]: Analyzing trace with hash -2080205177, now seen corresponding path program 1 times [2024-11-22 02:20:51,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:20:51,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034304443] [2024-11-22 02:20:51,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:20:51,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:20:51,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:20:51,929 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-22 02:20:51,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:20:51,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034304443] [2024-11-22 02:20:51,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034304443] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:20:51,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:20:51,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:20:51,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197422876] [2024-11-22 02:20:51,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:20:51,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:20:51,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:20:51,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:20:51,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:20:51,931 INFO L87 Difference]: Start difference. First operand 3170 states and 4878 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2024-11-22 02:20:52,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:20:52,079 INFO L93 Difference]: Finished difference Result 6289 states and 9697 transitions. [2024-11-22 02:20:52,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:20:52,080 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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 48 [2024-11-22 02:20:52,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:20:52,091 INFO L225 Difference]: With dead ends: 6289 [2024-11-22 02:20:52,091 INFO L226 Difference]: Without dead ends: 3148 [2024-11-22 02:20:52,095 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 [2024-11-22 02:20:52,096 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 174 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:20:52,097 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 179 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:20:52,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3148 states. [2024-11-22 02:20:52,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3148 to 3148. [2024-11-22 02:20:52,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3148 states, 3147 states have (on average 1.5417858277724816) internal successors, (4852), 3147 states have internal predecessors, (4852), 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) [2024-11-22 02:20:52,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3148 states to 3148 states and 4852 transitions. [2024-11-22 02:20:52,232 INFO L78 Accepts]: Start accepts. Automaton has 3148 states and 4852 transitions. Word has length 48 [2024-11-22 02:20:52,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:20:52,232 INFO L471 AbstractCegarLoop]: Abstraction has 3148 states and 4852 transitions. [2024-11-22 02:20:52,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2024-11-22 02:20:52,233 INFO L276 IsEmpty]: Start isEmpty. Operand 3148 states and 4852 transitions. [2024-11-22 02:20:52,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-22 02:20:52,234 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:20:52,234 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] [2024-11-22 02:20:52,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-22 02:20:52,234 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:20:52,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:20:52,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1092103999, now seen corresponding path program 1 times [2024-11-22 02:20:52,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:20:52,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145427935] [2024-11-22 02:20:52,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:20:52,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:20:52,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:20:52,314 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:20:52,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:20:52,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145427935] [2024-11-22 02:20:52,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145427935] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:20:52,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:20:52,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 02:20:52,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965994384] [2024-11-22 02:20:52,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:20:52,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 02:20:52,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:20:52,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 02:20:52,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 02:20:52,316 INFO L87 Difference]: Start difference. First operand 3148 states and 4852 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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) [2024-11-22 02:20:52,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:20:52,624 INFO L93 Difference]: Finished difference Result 8037 states and 12429 transitions. [2024-11-22 02:20:52,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:20:52,626 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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 49 [2024-11-22 02:20:52,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:20:52,642 INFO L225 Difference]: With dead ends: 8037 [2024-11-22 02:20:52,643 INFO L226 Difference]: Without dead ends: 4125 [2024-11-22 02:20:52,648 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 [2024-11-22 02:20:52,649 INFO L432 NwaCegarLoop]: 197 mSDtfsCounter, 396 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:20:52,649 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 304 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:20:52,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4125 states. [2024-11-22 02:20:52,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4125 to 4125. [2024-11-22 02:20:52,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4125 states, 4124 states have (on average 1.532007759456838) internal successors, (6318), 4124 states have internal predecessors, (6318), 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) [2024-11-22 02:20:52,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4125 states to 4125 states and 6318 transitions. [2024-11-22 02:20:52,901 INFO L78 Accepts]: Start accepts. Automaton has 4125 states and 6318 transitions. Word has length 49 [2024-11-22 02:20:52,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:20:52,901 INFO L471 AbstractCegarLoop]: Abstraction has 4125 states and 6318 transitions. [2024-11-22 02:20:52,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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) [2024-11-22 02:20:52,902 INFO L276 IsEmpty]: Start isEmpty. Operand 4125 states and 6318 transitions. [2024-11-22 02:20:52,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-22 02:20:52,921 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:20:52,921 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] [2024-11-22 02:20:52,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-22 02:20:52,921 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:20:52,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:20:52,922 INFO L85 PathProgramCache]: Analyzing trace with hash 705446642, now seen corresponding path program 1 times [2024-11-22 02:20:52,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:20:52,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625228513] [2024-11-22 02:20:52,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:20:52,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:20:52,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:20:53,000 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:20:53,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:20:53,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625228513] [2024-11-22 02:20:53,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625228513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:20:53,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:20:53,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 02:20:53,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164146933] [2024-11-22 02:20:53,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:20:53,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:20:53,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:20:53,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:20:53,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:20:53,004 INFO L87 Difference]: Start difference. First operand 4125 states and 6318 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 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) [2024-11-22 02:20:53,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:20:53,429 INFO L93 Difference]: Finished difference Result 10492 states and 15978 transitions. [2024-11-22 02:20:53,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 02:20:53,430 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 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 55 [2024-11-22 02:20:53,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:20:53,466 INFO L225 Difference]: With dead ends: 10492 [2024-11-22 02:20:53,466 INFO L226 Difference]: Without dead ends: 6390 [2024-11-22 02:20:53,473 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-22 02:20:53,474 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 675 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 675 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:20:53,474 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [675 Valid, 505 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:20:53,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6390 states. [2024-11-22 02:20:53,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6390 to 4812. [2024-11-22 02:20:53,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4812 states, 4811 states have (on average 1.5005196424859697) internal successors, (7219), 4811 states have internal predecessors, (7219), 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) [2024-11-22 02:20:53,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4812 states to 4812 states and 7219 transitions. [2024-11-22 02:20:53,776 INFO L78 Accepts]: Start accepts. Automaton has 4812 states and 7219 transitions. Word has length 55 [2024-11-22 02:20:53,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:20:53,777 INFO L471 AbstractCegarLoop]: Abstraction has 4812 states and 7219 transitions. [2024-11-22 02:20:53,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 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) [2024-11-22 02:20:53,777 INFO L276 IsEmpty]: Start isEmpty. Operand 4812 states and 7219 transitions. [2024-11-22 02:20:53,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-22 02:20:53,780 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:20:53,780 INFO L215 NwaCegarLoop]: trace histogram [3, 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] [2024-11-22 02:20:53,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-22 02:20:53,780 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:20:53,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:20:53,781 INFO L85 PathProgramCache]: Analyzing trace with hash -153478858, now seen corresponding path program 1 times [2024-11-22 02:20:53,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:20:53,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625371178] [2024-11-22 02:20:53,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:20:53,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:20:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:20:53,815 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:20:53,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:20:53,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625371178] [2024-11-22 02:20:53,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625371178] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:20:53,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:20:53,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:20:53,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569988491] [2024-11-22 02:20:53,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:20:53,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:20:53,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:20:53,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:20:53,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:20:53,818 INFO L87 Difference]: Start difference. First operand 4812 states and 7219 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 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) [2024-11-22 02:20:54,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:20:54,190 INFO L93 Difference]: Finished difference Result 9971 states and 14928 transitions. [2024-11-22 02:20:54,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:20:54,192 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 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 89 [2024-11-22 02:20:54,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:20:54,205 INFO L225 Difference]: With dead ends: 9971 [2024-11-22 02:20:54,206 INFO L226 Difference]: Without dead ends: 5188 [2024-11-22 02:20:54,214 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 [2024-11-22 02:20:54,215 INFO L432 NwaCegarLoop]: 236 mSDtfsCounter, 126 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:20:54,215 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 309 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:20:54,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5188 states. [2024-11-22 02:20:54,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5188 to 5156. [2024-11-22 02:20:54,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5156 states, 5155 states have (on average 1.4533462657613967) internal successors, (7492), 5155 states have internal predecessors, (7492), 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) [2024-11-22 02:20:54,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5156 states to 5156 states and 7492 transitions. [2024-11-22 02:20:54,651 INFO L78 Accepts]: Start accepts. Automaton has 5156 states and 7492 transitions. Word has length 89 [2024-11-22 02:20:54,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:20:54,651 INFO L471 AbstractCegarLoop]: Abstraction has 5156 states and 7492 transitions. [2024-11-22 02:20:54,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 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) [2024-11-22 02:20:54,652 INFO L276 IsEmpty]: Start isEmpty. Operand 5156 states and 7492 transitions. [2024-11-22 02:20:54,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-22 02:20:54,655 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:20:54,655 INFO L215 NwaCegarLoop]: trace histogram [3, 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] [2024-11-22 02:20:54,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-22 02:20:54,655 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:20:54,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:20:54,656 INFO L85 PathProgramCache]: Analyzing trace with hash -278696132, now seen corresponding path program 1 times [2024-11-22 02:20:54,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:20:54,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278184440] [2024-11-22 02:20:54,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:20:54,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:20:54,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:20:54,696 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:20:54,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:20:54,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278184440] [2024-11-22 02:20:54,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278184440] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:20:54,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:20:54,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:20:54,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754347697] [2024-11-22 02:20:54,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:20:54,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:20:54,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:20:54,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:20:54,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:20:54,699 INFO L87 Difference]: Start difference. First operand 5156 states and 7492 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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) [2024-11-22 02:20:54,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:20:54,978 INFO L93 Difference]: Finished difference Result 10825 states and 15694 transitions. [2024-11-22 02:20:54,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:20:54,978 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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 90 [2024-11-22 02:20:54,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:20:54,992 INFO L225 Difference]: With dead ends: 10825 [2024-11-22 02:20:54,992 INFO L226 Difference]: Without dead ends: 5710 [2024-11-22 02:20:55,000 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 [2024-11-22 02:20:55,001 INFO L432 NwaCegarLoop]: 233 mSDtfsCounter, 125 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:20:55,001 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 308 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:20:55,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5710 states. [2024-11-22 02:20:55,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5710 to 5662. [2024-11-22 02:20:55,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5662 states, 5661 states have (on average 1.4073485249955837) internal successors, (7967), 5661 states have internal predecessors, (7967), 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) [2024-11-22 02:20:55,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5662 states to 5662 states and 7967 transitions. [2024-11-22 02:20:55,305 INFO L78 Accepts]: Start accepts. Automaton has 5662 states and 7967 transitions. Word has length 90 [2024-11-22 02:20:55,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:20:55,305 INFO L471 AbstractCegarLoop]: Abstraction has 5662 states and 7967 transitions. [2024-11-22 02:20:55,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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) [2024-11-22 02:20:55,306 INFO L276 IsEmpty]: Start isEmpty. Operand 5662 states and 7967 transitions. [2024-11-22 02:20:55,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-22 02:20:55,310 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:20:55,310 INFO L215 NwaCegarLoop]: trace histogram [3, 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] [2024-11-22 02:20:55,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-22 02:20:55,311 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:20:55,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:20:55,311 INFO L85 PathProgramCache]: Analyzing trace with hash -579083688, now seen corresponding path program 1 times [2024-11-22 02:20:55,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:20:55,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837917767] [2024-11-22 02:20:55,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:20:55,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:20:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:20:55,343 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:20:55,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:20:55,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837917767] [2024-11-22 02:20:55,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837917767] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:20:55,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:20:55,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:20:55,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126133684] [2024-11-22 02:20:55,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:20:55,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:20:55,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:20:55,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:20:55,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:20:55,345 INFO L87 Difference]: Start difference. First operand 5662 states and 7967 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 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) [2024-11-22 02:20:55,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:20:55,651 INFO L93 Difference]: Finished difference Result 11644 states and 16398 transitions. [2024-11-22 02:20:55,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:20:55,652 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 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 91 [2024-11-22 02:20:55,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:20:55,666 INFO L225 Difference]: With dead ends: 11644 [2024-11-22 02:20:55,666 INFO L226 Difference]: Without dead ends: 6043 [2024-11-22 02:20:55,673 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 [2024-11-22 02:20:55,674 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 121 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:20:55,674 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 305 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:20:55,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6043 states. [2024-11-22 02:20:55,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6043 to 5432. [2024-11-22 02:20:55,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5432 states, 5431 states have (on average 1.3487387221506169) internal successors, (7325), 5431 states have internal predecessors, (7325), 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) [2024-11-22 02:20:55,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5432 states to 5432 states and 7325 transitions. [2024-11-22 02:20:55,965 INFO L78 Accepts]: Start accepts. Automaton has 5432 states and 7325 transitions. Word has length 91 [2024-11-22 02:20:55,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:20:55,966 INFO L471 AbstractCegarLoop]: Abstraction has 5432 states and 7325 transitions. [2024-11-22 02:20:55,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 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) [2024-11-22 02:20:55,966 INFO L276 IsEmpty]: Start isEmpty. Operand 5432 states and 7325 transitions. [2024-11-22 02:20:55,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-22 02:20:55,971 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:20:55,971 INFO L215 NwaCegarLoop]: trace histogram [3, 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, 1] [2024-11-22 02:20:55,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-22 02:20:55,972 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:20:55,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:20:55,972 INFO L85 PathProgramCache]: Analyzing trace with hash 61290010, now seen corresponding path program 1 times [2024-11-22 02:20:55,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:20:55,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917692331] [2024-11-22 02:20:55,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:20:55,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:20:55,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:20:56,036 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-22 02:20:56,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:20:56,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917692331] [2024-11-22 02:20:56,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917692331] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:20:56,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:20:56,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 02:20:56,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938989126] [2024-11-22 02:20:56,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:20:56,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 02:20:56,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:20:56,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 02:20:56,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 02:20:56,038 INFO L87 Difference]: Start difference. First operand 5432 states and 7325 transitions. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 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) [2024-11-22 02:20:56,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:20:56,586 INFO L93 Difference]: Finished difference Result 10192 states and 13689 transitions. [2024-11-22 02:20:56,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:20:56,587 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 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 92 [2024-11-22 02:20:56,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:20:56,601 INFO L225 Difference]: With dead ends: 10192 [2024-11-22 02:20:56,601 INFO L226 Difference]: Without dead ends: 5247 [2024-11-22 02:20:56,608 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 [2024-11-22 02:20:56,609 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 438 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:20:56,609 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [438 Valid, 386 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:20:56,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5247 states. [2024-11-22 02:20:57,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5247 to 5133. [2024-11-22 02:20:57,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5133 states, 5132 states have (on average 1.3068978955572876) internal successors, (6707), 5132 states have internal predecessors, (6707), 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) [2024-11-22 02:20:57,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5133 states to 5133 states and 6707 transitions. [2024-11-22 02:20:57,057 INFO L78 Accepts]: Start accepts. Automaton has 5133 states and 6707 transitions. Word has length 92 [2024-11-22 02:20:57,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:20:57,057 INFO L471 AbstractCegarLoop]: Abstraction has 5133 states and 6707 transitions. [2024-11-22 02:20:57,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 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) [2024-11-22 02:20:57,058 INFO L276 IsEmpty]: Start isEmpty. Operand 5133 states and 6707 transitions. [2024-11-22 02:20:57,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-22 02:20:57,069 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:20:57,070 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:20:57,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-22 02:20:57,070 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:20:57,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:20:57,071 INFO L85 PathProgramCache]: Analyzing trace with hash 355597572, now seen corresponding path program 1 times [2024-11-22 02:20:57,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:20:57,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624916673] [2024-11-22 02:20:57,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:20:57,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:20:57,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:20:57,129 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-22 02:20:57,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:20:57,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624916673] [2024-11-22 02:20:57,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624916673] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:20:57,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:20:57,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:20:57,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892382143] [2024-11-22 02:20:57,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:20:57,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:20:57,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:20:57,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:20:57,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:20:57,132 INFO L87 Difference]: Start difference. First operand 5133 states and 6707 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 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) [2024-11-22 02:20:57,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:20:57,480 INFO L93 Difference]: Finished difference Result 9800 states and 12790 transitions. [2024-11-22 02:20:57,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:20:57,480 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 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 121 [2024-11-22 02:20:57,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:20:57,495 INFO L225 Difference]: With dead ends: 9800 [2024-11-22 02:20:57,495 INFO L226 Difference]: Without dead ends: 5079 [2024-11-22 02:20:57,502 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 [2024-11-22 02:20:57,503 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 34 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:20:57,504 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 297 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:20:57,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5079 states. [2024-11-22 02:20:57,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5079 to 5079. [2024-11-22 02:20:57,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5079 states, 5078 states have (on average 1.2999212288302482) internal successors, (6601), 5078 states have internal predecessors, (6601), 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) [2024-11-22 02:20:57,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5079 states to 5079 states and 6601 transitions. [2024-11-22 02:20:57,791 INFO L78 Accepts]: Start accepts. Automaton has 5079 states and 6601 transitions. Word has length 121 [2024-11-22 02:20:57,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:20:57,791 INFO L471 AbstractCegarLoop]: Abstraction has 5079 states and 6601 transitions. [2024-11-22 02:20:57,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 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) [2024-11-22 02:20:57,792 INFO L276 IsEmpty]: Start isEmpty. Operand 5079 states and 6601 transitions. [2024-11-22 02:20:57,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-22 02:20:57,802 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:20:57,803 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:20:57,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-22 02:20:57,803 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:20:57,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:20:57,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1642609420, now seen corresponding path program 1 times [2024-11-22 02:20:57,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:20:57,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871821480] [2024-11-22 02:20:57,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:20:57,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:20:57,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:20:57,911 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-22 02:20:57,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:20:57,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871821480] [2024-11-22 02:20:57,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871821480] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:20:57,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:20:57,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 02:20:57,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207199842] [2024-11-22 02:20:57,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:20:57,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 02:20:57,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:20:57,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 02:20:57,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 02:20:57,913 INFO L87 Difference]: Start difference. First operand 5079 states and 6601 transitions. Second operand has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 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) [2024-11-22 02:20:58,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:20:58,162 INFO L93 Difference]: Finished difference Result 9033 states and 11757 transitions. [2024-11-22 02:20:58,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:20:58,163 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 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 134 [2024-11-22 02:20:58,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:20:58,175 INFO L225 Difference]: With dead ends: 9033 [2024-11-22 02:20:58,175 INFO L226 Difference]: Without dead ends: 4995 [2024-11-22 02:20:58,181 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 [2024-11-22 02:20:58,182 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 300 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:20:58,183 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [300 Valid, 308 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:20:58,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4995 states. [2024-11-22 02:20:58,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4995 to 4993. [2024-11-22 02:20:58,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4993 states, 4992 states have (on average 1.2772435897435896) internal successors, (6376), 4992 states have internal predecessors, (6376), 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) [2024-11-22 02:20:58,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4993 states to 4993 states and 6376 transitions. [2024-11-22 02:20:58,414 INFO L78 Accepts]: Start accepts. Automaton has 4993 states and 6376 transitions. Word has length 134 [2024-11-22 02:20:58,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:20:58,414 INFO L471 AbstractCegarLoop]: Abstraction has 4993 states and 6376 transitions. [2024-11-22 02:20:58,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 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) [2024-11-22 02:20:58,415 INFO L276 IsEmpty]: Start isEmpty. Operand 4993 states and 6376 transitions. [2024-11-22 02:20:58,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-22 02:20:58,423 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:20:58,423 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:20:58,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-22 02:20:58,424 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:20:58,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:20:58,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1018384228, now seen corresponding path program 1 times [2024-11-22 02:20:58,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:20:58,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340159284] [2024-11-22 02:20:58,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:20:58,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:20:58,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:20:58,478 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-22 02:20:58,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:20:58,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340159284] [2024-11-22 02:20:58,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340159284] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:20:58,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:20:58,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:20:58,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110113110] [2024-11-22 02:20:58,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:20:58,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:20:58,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:20:58,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:20:58,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:20:58,480 INFO L87 Difference]: Start difference. First operand 4993 states and 6376 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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) [2024-11-22 02:20:58,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:20:58,734 INFO L93 Difference]: Finished difference Result 9567 states and 12204 transitions. [2024-11-22 02:20:58,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:20:58,735 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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 140 [2024-11-22 02:20:58,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:20:58,747 INFO L225 Difference]: With dead ends: 9567 [2024-11-22 02:20:58,747 INFO L226 Difference]: Without dead ends: 4993 [2024-11-22 02:20:58,754 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 [2024-11-22 02:20:58,756 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 25 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:20:58,757 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 296 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:20:58,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4993 states. [2024-11-22 02:20:58,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4993 to 4953. [2024-11-22 02:20:58,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4953 states, 4952 states have (on average 1.2710016155088852) internal successors, (6294), 4952 states have internal predecessors, (6294), 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) [2024-11-22 02:20:59,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4953 states to 4953 states and 6294 transitions. [2024-11-22 02:20:59,006 INFO L78 Accepts]: Start accepts. Automaton has 4953 states and 6294 transitions. Word has length 140 [2024-11-22 02:20:59,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:20:59,006 INFO L471 AbstractCegarLoop]: Abstraction has 4953 states and 6294 transitions. [2024-11-22 02:20:59,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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) [2024-11-22 02:20:59,008 INFO L276 IsEmpty]: Start isEmpty. Operand 4953 states and 6294 transitions. [2024-11-22 02:20:59,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-22 02:20:59,018 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:20:59,018 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:20:59,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-22 02:20:59,019 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:20:59,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:20:59,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1930869354, now seen corresponding path program 1 times [2024-11-22 02:20:59,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:20:59,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642807498] [2024-11-22 02:20:59,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:20:59,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:20:59,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:20:59,067 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-22 02:20:59,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:20:59,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642807498] [2024-11-22 02:20:59,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642807498] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:20:59,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:20:59,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:20:59,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115732455] [2024-11-22 02:20:59,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:20:59,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:20:59,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:20:59,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:20:59,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:20:59,068 INFO L87 Difference]: Start difference. First operand 4953 states and 6294 transitions. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 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) [2024-11-22 02:20:59,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:20:59,295 INFO L93 Difference]: Finished difference Result 9515 states and 12082 transitions. [2024-11-22 02:20:59,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:20:59,295 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 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 140 [2024-11-22 02:20:59,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:20:59,306 INFO L225 Difference]: With dead ends: 9515 [2024-11-22 02:20:59,307 INFO L226 Difference]: Without dead ends: 4962 [2024-11-22 02:20:59,315 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 [2024-11-22 02:20:59,317 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 21 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:20:59,317 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 295 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:20:59,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4962 states. [2024-11-22 02:20:59,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4962 to 4922. [2024-11-22 02:20:59,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4922 states, 4921 states have (on average 1.2643771591140012) internal successors, (6222), 4921 states have internal predecessors, (6222), 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) [2024-11-22 02:20:59,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4922 states to 4922 states and 6222 transitions. [2024-11-22 02:20:59,580 INFO L78 Accepts]: Start accepts. Automaton has 4922 states and 6222 transitions. Word has length 140 [2024-11-22 02:20:59,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:20:59,580 INFO L471 AbstractCegarLoop]: Abstraction has 4922 states and 6222 transitions. [2024-11-22 02:20:59,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 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) [2024-11-22 02:20:59,581 INFO L276 IsEmpty]: Start isEmpty. Operand 4922 states and 6222 transitions. [2024-11-22 02:20:59,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-22 02:20:59,589 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:20:59,590 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:20:59,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-22 02:20:59,590 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:20:59,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:20:59,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1655542827, now seen corresponding path program 1 times [2024-11-22 02:20:59,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:20:59,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545430679] [2024-11-22 02:20:59,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:20:59,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:20:59,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:20:59,683 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 02:20:59,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:20:59,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545430679] [2024-11-22 02:20:59,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545430679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:20:59,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:20:59,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 02:20:59,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089287433] [2024-11-22 02:20:59,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:20:59,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 02:20:59,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:20:59,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 02:20:59,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 02:20:59,686 INFO L87 Difference]: Start difference. First operand 4922 states and 6222 transitions. Second operand has 4 states, 4 states have (on average 34.5) internal successors, (138), 4 states have internal predecessors, (138), 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) [2024-11-22 02:20:59,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:20:59,866 INFO L93 Difference]: Finished difference Result 8000 states and 10141 transitions. [2024-11-22 02:20:59,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:20:59,867 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 4 states have internal predecessors, (138), 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 144 [2024-11-22 02:20:59,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:20:59,875 INFO L225 Difference]: With dead ends: 8000 [2024-11-22 02:20:59,875 INFO L226 Difference]: Without dead ends: 3479 [2024-11-22 02:20:59,883 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 [2024-11-22 02:20:59,884 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 277 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:20:59,884 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 287 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:20:59,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3479 states. [2024-11-22 02:21:00,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3479 to 3477. [2024-11-22 02:21:00,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3477 states, 3476 states have (on average 1.2361910241657077) internal successors, (4297), 3476 states have internal predecessors, (4297), 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) [2024-11-22 02:21:00,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3477 states to 3477 states and 4297 transitions. [2024-11-22 02:21:00,056 INFO L78 Accepts]: Start accepts. Automaton has 3477 states and 4297 transitions. Word has length 144 [2024-11-22 02:21:00,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:21:00,056 INFO L471 AbstractCegarLoop]: Abstraction has 3477 states and 4297 transitions. [2024-11-22 02:21:00,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 4 states have internal predecessors, (138), 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) [2024-11-22 02:21:00,056 INFO L276 IsEmpty]: Start isEmpty. Operand 3477 states and 4297 transitions. [2024-11-22 02:21:00,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-22 02:21:00,060 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:21:00,061 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:21:00,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-22 02:21:00,061 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:21:00,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:21:00,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1691520611, now seen corresponding path program 1 times [2024-11-22 02:21:00,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:21:00,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687896384] [2024-11-22 02:21:00,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:21:00,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:21:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:21:00,152 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-22 02:21:00,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:21:00,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687896384] [2024-11-22 02:21:00,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687896384] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:21:00,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:21:00,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 02:21:00,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707128205] [2024-11-22 02:21:00,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:21:00,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 02:21:00,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:21:00,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 02:21:00,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 02:21:00,155 INFO L87 Difference]: Start difference. First operand 3477 states and 4297 transitions. Second operand has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 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) [2024-11-22 02:21:00,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:21:00,329 INFO L93 Difference]: Finished difference Result 5637 states and 6973 transitions. [2024-11-22 02:21:00,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:21:00,330 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 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 144 [2024-11-22 02:21:00,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:21:00,336 INFO L225 Difference]: With dead ends: 5637 [2024-11-22 02:21:00,337 INFO L226 Difference]: Without dead ends: 2242 [2024-11-22 02:21:00,339 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 [2024-11-22 02:21:00,340 INFO L432 NwaCegarLoop]: 182 mSDtfsCounter, 279 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:21:00,344 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 272 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:21:00,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2242 states. [2024-11-22 02:21:00,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2242 to 2240. [2024-11-22 02:21:00,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2240 states, 2239 states have (on average 1.1991960696739616) internal successors, (2685), 2239 states have internal predecessors, (2685), 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) [2024-11-22 02:21:00,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2240 states to 2240 states and 2685 transitions. [2024-11-22 02:21:00,531 INFO L78 Accepts]: Start accepts. Automaton has 2240 states and 2685 transitions. Word has length 144 [2024-11-22 02:21:00,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:21:00,532 INFO L471 AbstractCegarLoop]: Abstraction has 2240 states and 2685 transitions. [2024-11-22 02:21:00,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 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) [2024-11-22 02:21:00,532 INFO L276 IsEmpty]: Start isEmpty. Operand 2240 states and 2685 transitions. [2024-11-22 02:21:00,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-22 02:21:00,535 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:21:00,535 INFO L215 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:21:00,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-22 02:21:00,535 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:21:00,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:21:00,536 INFO L85 PathProgramCache]: Analyzing trace with hash -52842861, now seen corresponding path program 1 times [2024-11-22 02:21:00,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:21:00,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485654827] [2024-11-22 02:21:00,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:21:00,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:21:00,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:21:00,590 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-22 02:21:00,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:21:00,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485654827] [2024-11-22 02:21:00,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485654827] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:21:00,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:21:00,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:21:00,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693808783] [2024-11-22 02:21:00,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:21:00,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:21:00,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:21:00,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:21:00,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:21:00,594 INFO L87 Difference]: Start difference. First operand 2240 states and 2685 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 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) [2024-11-22 02:21:00,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:21:00,779 INFO L93 Difference]: Finished difference Result 4042 states and 4878 transitions. [2024-11-22 02:21:00,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:21:00,780 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 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 183 [2024-11-22 02:21:00,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:21:00,786 INFO L225 Difference]: With dead ends: 4042 [2024-11-22 02:21:00,786 INFO L226 Difference]: Without dead ends: 2178 [2024-11-22 02:21:00,788 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 [2024-11-22 02:21:00,789 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 1 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:21:00,789 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 296 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:21:00,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2178 states. [2024-11-22 02:21:00,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2178 to 2110. [2024-11-22 02:21:00,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2110 states, 2109 states have (on average 1.188715030820294) internal successors, (2507), 2109 states have internal predecessors, (2507), 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) [2024-11-22 02:21:00,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2110 states to 2110 states and 2507 transitions. [2024-11-22 02:21:00,963 INFO L78 Accepts]: Start accepts. Automaton has 2110 states and 2507 transitions. Word has length 183 [2024-11-22 02:21:00,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:21:00,963 INFO L471 AbstractCegarLoop]: Abstraction has 2110 states and 2507 transitions. [2024-11-22 02:21:00,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 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) [2024-11-22 02:21:00,964 INFO L276 IsEmpty]: Start isEmpty. Operand 2110 states and 2507 transitions. [2024-11-22 02:21:00,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-22 02:21:00,966 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:21:00,967 INFO L215 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:21:00,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-22 02:21:00,967 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:21:00,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:21:00,968 INFO L85 PathProgramCache]: Analyzing trace with hash -887750668, now seen corresponding path program 1 times [2024-11-22 02:21:00,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:21:00,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410045665] [2024-11-22 02:21:00,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:21:00,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:21:00,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:21:01,026 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-22 02:21:01,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:21:01,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410045665] [2024-11-22 02:21:01,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410045665] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:21:01,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:21:01,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:21:01,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079912277] [2024-11-22 02:21:01,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:21:01,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:21:01,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:21:01,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:21:01,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:21:01,030 INFO L87 Difference]: Start difference. First operand 2110 states and 2507 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 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) [2024-11-22 02:21:01,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:21:01,251 INFO L93 Difference]: Finished difference Result 4523 states and 5412 transitions. [2024-11-22 02:21:01,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:21:01,252 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 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 190 [2024-11-22 02:21:01,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:21:01,260 INFO L225 Difference]: With dead ends: 4523 [2024-11-22 02:21:01,260 INFO L226 Difference]: Without dead ends: 2783 [2024-11-22 02:21:01,262 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 [2024-11-22 02:21:01,264 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 141 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:21:01,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 292 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:21:01,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2783 states. [2024-11-22 02:21:01,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2783 to 2404. [2024-11-22 02:21:01,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2404 states, 2403 states have (on average 1.1747815230961298) internal successors, (2823), 2403 states have internal predecessors, (2823), 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) [2024-11-22 02:21:01,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2404 states to 2404 states and 2823 transitions. [2024-11-22 02:21:01,461 INFO L78 Accepts]: Start accepts. Automaton has 2404 states and 2823 transitions. Word has length 190 [2024-11-22 02:21:01,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:21:01,462 INFO L471 AbstractCegarLoop]: Abstraction has 2404 states and 2823 transitions. [2024-11-22 02:21:01,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 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) [2024-11-22 02:21:01,464 INFO L276 IsEmpty]: Start isEmpty. Operand 2404 states and 2823 transitions. [2024-11-22 02:21:01,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-22 02:21:01,467 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:21:01,467 INFO L215 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:21:01,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-22 02:21:01,467 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:21:01,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:21:01,468 INFO L85 PathProgramCache]: Analyzing trace with hash -867870868, now seen corresponding path program 1 times [2024-11-22 02:21:01,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:21:01,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798219773] [2024-11-22 02:21:01,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:21:01,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:21:01,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 02:21:01,494 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-22 02:21:01,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 02:21:01,575 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-22 02:21:01,575 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-22 02:21:01,576 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-22 02:21:01,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-22 02:21:01,581 INFO L407 BasicCegarLoop]: Path program 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] [2024-11-22 02:21:01,757 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 02:21:01,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 02:21:01 BoogieIcfgContainer [2024-11-22 02:21:01,761 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 02:21:01,762 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 02:21:01,762 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 02:21:01,763 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 02:21:01,763 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:20:48" (3/4) ... [2024-11-22 02:21:01,764 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-22 02:21:01,916 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 02:21:01,917 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 02:21:01,917 INFO L158 Benchmark]: Toolchain (without parser) took 15106.91ms. Allocated memory was 165.7MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 97.0MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 666.8MB. Max. memory is 16.1GB. [2024-11-22 02:21:01,917 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 02:21:01,918 INFO L158 Benchmark]: CACSL2BoogieTranslator took 422.45ms. Allocated memory is still 165.7MB. Free memory was 96.8MB in the beginning and 132.9MB in the end (delta: -36.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-22 02:21:01,918 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.76ms. Allocated memory is still 165.7MB. Free memory was 132.9MB in the beginning and 130.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 02:21:01,919 INFO L158 Benchmark]: Boogie Preprocessor took 60.89ms. Allocated memory is still 165.7MB. Free memory was 130.7MB in the beginning and 128.0MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 02:21:01,919 INFO L158 Benchmark]: RCFGBuilder took 649.08ms. Allocated memory is still 165.7MB. Free memory was 128.0MB in the beginning and 101.2MB in the end (delta: 26.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-22 02:21:01,922 INFO L158 Benchmark]: TraceAbstraction took 13751.56ms. Allocated memory was 165.7MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 100.3MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 642.9MB. Max. memory is 16.1GB. [2024-11-22 02:21:01,922 INFO L158 Benchmark]: Witness Printer took 154.57ms. Allocated memory is still 1.9GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 28.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-22 02:21:01,923 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 422.45ms. Allocated memory is still 165.7MB. Free memory was 96.8MB in the beginning and 132.9MB in the end (delta: -36.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.76ms. Allocated memory is still 165.7MB. Free memory was 132.9MB in the beginning and 130.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.89ms. Allocated memory is still 165.7MB. Free memory was 130.7MB in the beginning and 128.0MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 649.08ms. Allocated memory is still 165.7MB. Free memory was 128.0MB in the beginning and 101.2MB in the end (delta: 26.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 13751.56ms. Allocated memory was 165.7MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 100.3MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 642.9MB. Max. memory is 16.1GB. * Witness Printer took 154.57ms. Allocated memory is still 1.9GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 28.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 23]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L28] int c ; [L29] int c_t ; [L30] int c_req_up ; [L31] int p_in ; [L32] int p_out ; [L33] int wl_st ; [L34] int c1_st ; [L35] int c2_st ; [L36] int wb_st ; [L37] int r_st ; [L38] int wl_i ; [L39] int c1_i ; [L40] int c2_i ; [L41] int wb_i ; [L42] int r_i ; [L43] int wl_pc ; [L44] int c1_pc ; [L45] int c2_pc ; [L46] int wb_pc ; [L47] int e_e ; [L48] int e_f ; [L49] int e_g ; [L50] int e_c ; [L51] int e_p_in ; [L52] int e_wl ; [L58] int d ; [L59] int data ; [L60] int processed ; [L61] static int t_b ; VAL [c1_i=0, c1_pc=0, c1_st=0, c2_i=0, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=0, e_e=0, e_f=0, e_g=0, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=0, wb_pc=0, wb_st=0, wl_i=0, wl_pc=0, wl_st=0] [L689] int __retres1 ; [L693] e_wl = 2 [L694] e_c = e_wl [L695] e_g = e_c [L696] e_f = e_g [L697] e_e = e_f [L698] wl_pc = 0 [L699] c1_pc = 0 [L700] c2_pc = 0 [L701] wb_pc = 0 [L702] wb_i = 1 [L703] c2_i = wb_i [L704] c1_i = c2_i [L705] wl_i = c1_i [L706] r_i = 0 [L707] c_req_up = 0 [L708] d = 0 [L709] c = 0 [L710] CALL start_simulation() [L400] int kernel_st ; [L403] kernel_st = 0 VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L404] COND FALSE !((int )c_req_up == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L415] COND TRUE (int )wl_i == 1 [L416] wl_st = 0 VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L420] COND TRUE (int )c1_i == 1 [L421] c1_st = 0 VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L425] COND TRUE (int )c2_i == 1 [L426] c2_st = 0 VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L430] COND TRUE (int )wb_i == 1 [L431] wb_st = 0 VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L435] COND FALSE !((int )r_i == 1) [L438] r_st = 2 VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L440] COND FALSE !((int )e_f == 0) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L445] COND FALSE !((int )e_g == 0) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L450] COND FALSE !((int )e_e == 0) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L455] COND FALSE !((int )e_c == 0) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L460] COND FALSE !((int )e_wl == 0) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L465] COND FALSE !((int )wl_pc == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L473] COND FALSE !((int )wl_pc == 2) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L483] COND FALSE !((int )c1_pc == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L492] COND FALSE !((int )c2_pc == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L501] COND FALSE !((int )wb_pc == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L510] COND FALSE !((int )e_c == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L515] COND FALSE !((int )e_e == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L520] COND FALSE !((int )e_f == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L525] COND FALSE !((int )e_g == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L530] COND FALSE !((int )e_c == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L535] COND FALSE !((int )e_wl == 1) VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L541] COND TRUE 1 VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L544] kernel_st = 1 [L545] CALL eval() [L286] int tmp ; [L287] int tmp___0 ; [L288] int tmp___1 ; [L289] int tmp___2 ; [L290] int tmp___3 ; VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L294] COND TRUE 1 VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L296] COND TRUE (int )wl_st == 0 VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L317] COND TRUE (int )wl_st == 0 [L319] tmp = __VERIFIER_nondet_int() [L321] COND TRUE \read(tmp) [L323] wl_st = 1 [L324] CALL write_loop() [L63] int t ; VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=1] [L66] COND TRUE (int )wl_pc == 0 VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=1] [L80] wl_st = 2 [L81] wl_pc = 1 [L82] e_wl = 0 VAL [c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=1, wl_st=2] [L324] RET write_loop() [L332] COND TRUE (int )c1_st == 0 [L334] tmp___0 = __VERIFIER_nondet_int() [L336] COND TRUE \read(tmp___0) [L338] c1_st = 1 [L339] CALL compute1() [L137] COND TRUE (int )c1_pc == 0 VAL [c1_i=1, c1_pc=0, c1_st=1, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=1, wl_st=2] [L148] COND TRUE 1 VAL [c1_i=1, c1_pc=0, c1_st=1, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=1, wl_st=2] [L150] c1_st = 2 [L151] c1_pc = 1 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=0, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=1, wl_st=2] [L339] RET compute1() [L347] COND TRUE (int )c2_st == 0 [L349] tmp___1 = __VERIFIER_nondet_int() [L351] COND TRUE \read(tmp___1) [L353] c2_st = 1 [L354] CALL compute2() [L182] COND TRUE (int )c2_pc == 0 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=0, c2_st=1, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=1, wl_st=2] [L193] COND TRUE 1 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=0, c2_st=1, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=1, wl_st=2] [L195] c2_st = 2 [L196] c2_pc = 1 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=1, wl_st=2] [L354] RET compute2() [L362] COND TRUE (int )wb_st == 0 [L364] tmp___2 = __VERIFIER_nondet_int() [L366] COND TRUE \read(tmp___2) [L368] wb_st = 1 [L369] CALL write_back() [L227] COND TRUE (int )wb_pc == 0 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=1, wl_i=1, wl_pc=1, wl_st=2] [L238] COND TRUE 1 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=1, wl_i=1, wl_pc=1, wl_st=2] [L240] wb_st = 2 [L241] wb_pc = 1 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=2] [L369] RET write_back() [L377] COND FALSE !((int )r_st == 0) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=2] [L294] COND TRUE 1 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=2] [L296] COND FALSE !((int )wl_st == 0) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=2] [L299] COND FALSE !((int )c1_st == 0) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=2] [L302] COND FALSE !((int )c2_st == 0) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=2] [L305] COND FALSE !((int )wb_st == 0) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=2] [L308] COND FALSE !((int )r_st == 0) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=2] [L545] RET eval() [L547] kernel_st = 2 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=2] [L548] COND FALSE !((int )c_req_up == 1) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=2] [L559] kernel_st = 3 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=2] [L560] COND FALSE !((int )e_f == 0) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=2] [L565] COND FALSE !((int )e_g == 0) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=2] [L570] COND FALSE !((int )e_e == 0) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=2] [L575] COND FALSE !((int )e_c == 0) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=2] [L580] COND TRUE (int )e_wl == 0 [L581] e_wl = 1 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=1, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=2] [L585] COND TRUE (int )wl_pc == 1 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=1, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=2] [L586] COND TRUE (int )e_wl == 1 [L587] wl_st = 0 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=1, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=0] [L603] COND TRUE (int )c1_pc == 1 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=1, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=0] [L604] COND FALSE !((int )e_f == 1) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=1, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=0] [L612] COND TRUE (int )c2_pc == 1 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=1, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=0] [L613] COND FALSE !((int )e_f == 1) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=1, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=0] [L621] COND TRUE (int )wb_pc == 1 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=1, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=0] [L622] COND FALSE !((int )e_g == 1) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=1, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=0] [L630] COND FALSE !((int )e_c == 1) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=1, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=0] [L635] COND FALSE !((int )e_e == 1) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=1, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=0] [L640] COND FALSE !((int )e_f == 1) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=1, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=0] [L645] COND FALSE !((int )e_g == 1) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=1, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=0] [L650] COND FALSE !((int )e_c == 1) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=1, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=0] [L655] COND TRUE (int )e_wl == 1 [L656] e_wl = 2 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=0] [L660] COND TRUE (int )wl_st == 0 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=0] [L541] COND TRUE 1 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=0] [L544] kernel_st = 1 [L545] CALL eval() [L286] int tmp ; [L287] int tmp___0 ; [L288] int tmp___1 ; [L289] int tmp___2 ; [L290] int tmp___3 ; VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=0] [L294] COND TRUE 1 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=0] [L296] COND TRUE (int )wl_st == 0 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=0] [L317] COND TRUE (int )wl_st == 0 [L319] tmp = __VERIFIER_nondet_int() [L321] COND TRUE \read(tmp) [L323] wl_st = 1 [L324] CALL write_loop() [L63] int t ; VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=1] [L66] COND FALSE !((int )wl_pc == 0) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=1] [L69] COND FALSE !((int )wl_pc == 2) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=1] [L72] COND TRUE (int )wl_pc == 1 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=1] [L87] COND TRUE 1 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=1] [L89] t = d [L90] data = d [L91] processed = 0 [L92] e_f = 1 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=1, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=1] [L93] COND TRUE (int )c1_pc == 1 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=1, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=1] [L94] COND TRUE (int )e_f == 1 [L95] c1_st = 0 VAL [c1_i=1, c1_pc=1, c1_st=0, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=1, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=1] [L102] COND TRUE (int )c2_pc == 1 VAL [c1_i=1, c1_pc=1, c1_st=0, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=1, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=1] [L103] COND TRUE (int )e_f == 1 [L104] c2_st = 0 VAL [c1_i=1, c1_pc=1, c1_st=0, c2_i=1, c2_pc=1, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=1, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=1] [L111] e_f = 2 [L112] wl_st = 2 [L113] wl_pc = 2 [L114] t_b = t VAL [c1_i=1, c1_pc=1, c1_st=0, c2_i=1, c2_pc=1, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L324] RET write_loop() [L332] COND TRUE (int )c1_st == 0 [L334] tmp___0 = __VERIFIER_nondet_int() [L336] COND TRUE \read(tmp___0) [L338] c1_st = 1 [L339] CALL compute1() [L137] COND FALSE !((int )c1_pc == 0) VAL [c1_i=1, c1_pc=1, c1_st=1, c2_i=1, c2_pc=1, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L140] COND TRUE (int )c1_pc == 1 VAL [c1_i=1, c1_pc=1, c1_st=1, c2_i=1, c2_pc=1, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L155] COND TRUE ! processed [L156] data += 1 [L157] e_g = 1 VAL [c1_i=1, c1_pc=1, c1_st=1, c2_i=1, c2_pc=1, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=1, e_c=2, e_e=2, e_f=2, e_g=1, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L158] COND TRUE (int )wb_pc == 1 VAL [c1_i=1, c1_pc=1, c1_st=1, c2_i=1, c2_pc=1, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=1, e_c=2, e_e=2, e_f=2, e_g=1, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L159] COND TRUE (int )e_g == 1 [L160] wb_st = 0 VAL [c1_i=1, c1_pc=1, c1_st=1, c2_i=1, c2_pc=1, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=1, e_c=2, e_e=2, e_f=2, e_g=1, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=0, wl_i=1, wl_pc=2, wl_st=2] [L167] e_g = 2 VAL [c1_i=1, c1_pc=1, c1_st=1, c2_i=1, c2_pc=1, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=1, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=0, wl_i=1, wl_pc=2, wl_st=2] [L148] COND TRUE 1 VAL [c1_i=1, c1_pc=1, c1_st=1, c2_i=1, c2_pc=1, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=1, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=0, wl_i=1, wl_pc=2, wl_st=2] [L150] c1_st = 2 [L151] c1_pc = 1 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=0, c=0, c_req_up=0, c_t=0, d=0, data=1, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=0, wl_i=1, wl_pc=2, wl_st=2] [L339] RET compute1() [L347] COND TRUE (int )c2_st == 0 [L349] tmp___1 = __VERIFIER_nondet_int() [L351] COND TRUE \read(tmp___1) [L353] c2_st = 1 [L354] CALL compute2() [L182] COND FALSE !((int )c2_pc == 0) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=1, c=0, c_req_up=0, c_t=0, d=0, data=1, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=0, wl_i=1, wl_pc=2, wl_st=2] [L185] COND TRUE (int )c2_pc == 1 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=1, c=0, c_req_up=0, c_t=0, d=0, data=1, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=0, wl_i=1, wl_pc=2, wl_st=2] [L200] COND TRUE ! processed [L201] data += 1 [L202] e_g = 1 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=1, c=0, c_req_up=0, c_t=0, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=1, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=0, wl_i=1, wl_pc=2, wl_st=2] [L203] COND TRUE (int )wb_pc == 1 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=1, c=0, c_req_up=0, c_t=0, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=1, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=0, wl_i=1, wl_pc=2, wl_st=2] [L204] COND TRUE (int )e_g == 1 [L205] wb_st = 0 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=1, c=0, c_req_up=0, c_t=0, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=1, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=0, wl_i=1, wl_pc=2, wl_st=2] [L212] e_g = 2 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=1, c=0, c_req_up=0, c_t=0, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=0, wl_i=1, wl_pc=2, wl_st=2] [L193] COND TRUE 1 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=1, c=0, c_req_up=0, c_t=0, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=0, wl_i=1, wl_pc=2, wl_st=2] [L195] c2_st = 2 [L196] c2_pc = 1 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=0, wl_i=1, wl_pc=2, wl_st=2] [L354] RET compute2() [L362] COND TRUE (int )wb_st == 0 [L364] tmp___2 = __VERIFIER_nondet_int() [L366] COND TRUE \read(tmp___2) [L368] wb_st = 1 [L369] CALL write_back() [L227] COND FALSE !((int )wb_pc == 0) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=1, wl_i=1, wl_pc=2, wl_st=2] [L230] COND TRUE (int )wb_pc == 1 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=0, c_t=0, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=1, wl_i=1, wl_pc=2, wl_st=2] [L245] c_t = data [L246] c_req_up = 1 [L247] processed = 1 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=1, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=1, wl_i=1, wl_pc=2, wl_st=2] [L238] COND TRUE 1 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=1, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=1, wl_i=1, wl_pc=2, wl_st=2] [L240] wb_st = 2 [L241] wb_pc = 1 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=1, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L369] RET write_back() [L377] COND FALSE !((int )r_st == 0) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=1, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L294] COND TRUE 1 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=1, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L296] COND FALSE !((int )wl_st == 0) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=1, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L299] COND FALSE !((int )c1_st == 0) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=1, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L302] COND FALSE !((int )c2_st == 0) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=1, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L305] COND FALSE !((int )wb_st == 0) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=1, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L308] COND FALSE !((int )r_st == 0) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=1, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L545] RET eval() [L547] kernel_st = 2 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=1, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L548] COND TRUE (int )c_req_up == 1 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=0, c_req_up=1, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L549] COND TRUE c != c_t [L550] c = c_t [L551] e_c = 0 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=1, c_t=2, d=0, data=2, e_c=0, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L555] c_req_up = 0 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=0, data=2, e_c=0, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L559] kernel_st = 3 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=0, data=2, e_c=0, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L560] COND FALSE !((int )e_f == 0) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=0, data=2, e_c=0, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L565] COND FALSE !((int )e_g == 0) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=0, data=2, e_c=0, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L570] COND FALSE !((int )e_e == 0) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=0, data=2, e_c=0, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L575] COND TRUE (int )e_c == 0 [L576] e_c = 1 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=0, data=2, e_c=1, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L580] COND FALSE !((int )e_wl == 0) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=0, data=2, e_c=1, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L585] COND FALSE !((int )wl_pc == 1) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=0, data=2, e_c=1, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L593] COND TRUE (int )wl_pc == 2 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=0, data=2, e_c=1, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L594] COND FALSE !((int )e_e == 1) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=0, data=2, e_c=1, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L603] COND TRUE (int )c1_pc == 1 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=0, data=2, e_c=1, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L604] COND FALSE !((int )e_f == 1) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=0, data=2, e_c=1, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L612] COND TRUE (int )c2_pc == 1 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=0, data=2, e_c=1, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L613] COND FALSE !((int )e_f == 1) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=0, data=2, e_c=1, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L621] COND TRUE (int )wb_pc == 1 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=0, data=2, e_c=1, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L622] COND FALSE !((int )e_g == 1) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=0, data=2, e_c=1, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L630] COND TRUE (int )e_c == 1 [L631] r_st = 0 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=0, data=2, e_c=1, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L635] COND FALSE !((int )e_e == 1) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=0, data=2, e_c=1, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L640] COND FALSE !((int )e_f == 1) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=0, data=2, e_c=1, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L645] COND FALSE !((int )e_g == 1) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=0, data=2, e_c=1, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L650] COND TRUE (int )e_c == 1 [L651] e_c = 2 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L655] COND FALSE !((int )e_wl == 1) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L660] COND FALSE !((int )wl_st == 0) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L663] COND FALSE !((int )c1_st == 0) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L666] COND FALSE !((int )c2_st == 0) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L669] COND FALSE !((int )wb_st == 0) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L672] COND TRUE (int )r_st == 0 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L541] COND TRUE 1 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L544] kernel_st = 1 [L545] CALL eval() [L286] int tmp ; [L287] int tmp___0 ; [L288] int tmp___1 ; [L289] int tmp___2 ; [L290] int tmp___3 ; VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L294] COND TRUE 1 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L296] COND FALSE !((int )wl_st == 0) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L299] COND FALSE !((int )c1_st == 0) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L302] COND FALSE !((int )c2_st == 0) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L305] COND FALSE !((int )wb_st == 0) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L308] COND TRUE (int )r_st == 0 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L317] COND FALSE !((int )wl_st == 0) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L332] COND FALSE !((int )c1_st == 0) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L347] COND FALSE !((int )c2_st == 0) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L362] COND FALSE !((int )wb_st == 0) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L377] COND TRUE (int )r_st == 0 [L379] tmp___3 = __VERIFIER_nondet_int() [L381] COND TRUE \read(tmp___3) [L383] r_st = 1 [L384] CALL read() [L259] d = c [L260] e_e = 1 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=2, data=2, e_c=2, e_e=1, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=1, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L261] COND FALSE !((int )wl_pc == 1) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=2, data=2, e_c=2, e_e=1, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=1, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L269] COND TRUE (int )wl_pc == 2 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=2, data=2, e_c=2, e_e=1, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=1, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L270] COND TRUE (int )e_e == 1 [L271] wl_st = 0 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=2, data=2, e_c=2, e_e=1, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=1, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=0] [L279] e_e = 2 [L280] r_st = 2 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=2, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=0] [L384] RET read() [L294] COND TRUE 1 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=2, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=0] [L296] COND TRUE (int )wl_st == 0 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=2, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=0] [L317] COND TRUE (int )wl_st == 0 [L319] tmp = __VERIFIER_nondet_int() [L321] COND TRUE \read(tmp) [L323] wl_st = 1 [L324] CALL write_loop() [L63] int t ; VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=2, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=1] [L66] COND FALSE !((int )wl_pc == 0) VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=2, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=1] [L69] COND TRUE (int )wl_pc == 2 VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=2, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=1] [L118] t = t_b VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=2, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=1] [L119] COND FALSE !(d == t + 1) [L123] CALL error() [L23] reach_error() VAL [c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c=2, c_req_up=0, c_t=2, d=2, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 131 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.5s, OverallIterations: 32, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 6.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7691 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7691 mSDsluCounter, 10289 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3851 mSDsCounter, 201 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 663 IncrementalHoareTripleChecker+Invalid, 864 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 201 mSolverCounterUnsat, 6438 mSDtfsCounter, 663 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 137 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5662occurred in iteration=21, InterpolantAutomatonStates: 119, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.7s AutomataMinimizationTime, 31 MinimizatonAttempts, 4416 StatesRemovedByMinimization, 25 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 2510 NumberOfCodeBlocks, 2510 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 2286 ConstructedInterpolants, 0 QuantifiedInterpolants, 3877 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 31 InterpolantComputations, 31 PerfectInterpolantSequences, 617/617 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-22 02:21:01,955 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE