./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 851dc7d49dcc9fde277beeb190c3ab252014728a3bd4281f423bffd927fb4430 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 01:45:31,077 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 01:45:31,127 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 01:45:31,130 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 01:45:31,130 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 01:45:31,146 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 01:45:31,147 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 01:45:31,147 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 01:45:31,148 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 01:45:31,148 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 01:45:31,148 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 01:45:31,148 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 01:45:31,149 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 01:45:31,149 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 01:45:31,149 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 01:45:31,149 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 01:45:31,150 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 01:45:31,150 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 01:45:31,150 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 01:45:31,150 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 01:45:31,151 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 01:45:31,152 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 01:45:31,152 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 01:45:31,152 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 01:45:31,152 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 01:45:31,153 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 01:45:31,153 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 01:45:31,153 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 01:45:31,153 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 01:45:31,153 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 01:45:31,153 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 01:45:31,154 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 01:45:31,154 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 01:45:31,154 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 01:45:31,154 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 01:45:31,154 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 01:45:31,154 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 01:45:31,155 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 01:45:31,155 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 01:45:31,155 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 01:45:31,155 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 01:45:31,156 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 01:45:31,156 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 851dc7d49dcc9fde277beeb190c3ab252014728a3bd4281f423bffd927fb4430 [2024-10-24 01:45:31,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 01:45:31,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 01:45:31,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 01:45:31,401 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 01:45:31,402 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 01:45:31,402 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2024-10-24 01:45:32,598 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 01:45:32,814 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 01:45:32,815 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2024-10-24 01:45:32,825 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adc5f6d60/b344d69598174cacac4ccd6b66d57ac6/FLAGa10170946 [2024-10-24 01:45:33,171 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adc5f6d60/b344d69598174cacac4ccd6b66d57ac6 [2024-10-24 01:45:33,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 01:45:33,174 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 01:45:33,175 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 01:45:33,175 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 01:45:33,179 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 01:45:33,180 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:45:33" (1/1) ... [2024-10-24 01:45:33,180 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79594849 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:45:33, skipping insertion in model container [2024-10-24 01:45:33,180 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:45:33" (1/1) ... [2024-10-24 01:45:33,224 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 01:45:33,447 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[9868,9881] [2024-10-24 01:45:33,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 01:45:33,523 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 01:45:33,568 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[9868,9881] [2024-10-24 01:45:33,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 01:45:33,631 INFO L204 MainTranslator]: Completed translation [2024-10-24 01:45:33,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:45:33 WrapperNode [2024-10-24 01:45:33,632 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 01:45:33,632 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 01:45:33,633 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 01:45:33,633 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 01:45:33,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:45:33" (1/1) ... [2024-10-24 01:45:33,650 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:45:33" (1/1) ... [2024-10-24 01:45:33,696 INFO L138 Inliner]: procedures = 26, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1034 [2024-10-24 01:45:33,697 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 01:45:33,700 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 01:45:33,700 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 01:45:33,700 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 01:45:33,709 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:45:33" (1/1) ... [2024-10-24 01:45:33,710 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:45:33" (1/1) ... [2024-10-24 01:45:33,714 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:45:33" (1/1) ... [2024-10-24 01:45:33,733 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]. [2024-10-24 01:45:33,736 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:45:33" (1/1) ... [2024-10-24 01:45:33,736 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:45:33" (1/1) ... [2024-10-24 01:45:33,756 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:45:33" (1/1) ... [2024-10-24 01:45:33,766 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:45:33" (1/1) ... [2024-10-24 01:45:33,773 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:45:33" (1/1) ... [2024-10-24 01:45:33,783 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:45:33" (1/1) ... [2024-10-24 01:45:33,790 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 01:45:33,791 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 01:45:33,791 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 01:45:33,792 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 01:45:33,796 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:45:33" (1/1) ... [2024-10-24 01:45:33,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 01:45:33,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 01:45:33,841 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) [2024-10-24 01:45:33,843 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 [2024-10-24 01:45:33,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 01:45:33,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 01:45:33,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 01:45:33,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 01:45:34,031 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 01:45:34,032 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 01:45:34,711 INFO L? ?]: Removed 112 outVars from TransFormulas that were not future-live. [2024-10-24 01:45:34,711 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 01:45:34,761 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 01:45:34,762 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 01:45:34,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:45:34 BoogieIcfgContainer [2024-10-24 01:45:34,762 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 01:45:34,764 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 01:45:34,764 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 01:45:34,767 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 01:45:34,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:45:33" (1/3) ... [2024-10-24 01:45:34,768 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cc5e03c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:45:34, skipping insertion in model container [2024-10-24 01:45:34,768 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:45:33" (2/3) ... [2024-10-24 01:45:34,768 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cc5e03c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:45:34, skipping insertion in model container [2024-10-24 01:45:34,768 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:45:34" (3/3) ... [2024-10-24 01:45:34,769 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2024-10-24 01:45:34,781 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 01:45:34,781 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 01:45:34,838 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 01:45:34,845 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;@712daa2c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 01:45:34,846 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 01:45:34,852 INFO L276 IsEmpty]: Start isEmpty. Operand has 256 states, 254 states have (on average 1.7283464566929134) internal successors, (439), 255 states have internal predecessors, (439), 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) [2024-10-24 01:45:34,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-10-24 01:45:34,861 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:45:34,863 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:45:34,864 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 01:45:34,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:45:34,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1844007938, now seen corresponding path program 1 times [2024-10-24 01:45:34,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:45:34,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459434737] [2024-10-24 01:45:34,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:45:34,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:45:35,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:45:35,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:45:35,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:45:35,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459434737] [2024-10-24 01:45:35,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459434737] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:45:35,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:45:35,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 01:45:35,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954647547] [2024-10-24 01:45:35,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:45:35,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:45:35,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:45:35,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:45:35,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:45:35,540 INFO L87 Difference]: Start difference. First operand has 256 states, 254 states have (on average 1.7283464566929134) internal successors, (439), 255 states have internal predecessors, (439), 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 8 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:45:35,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:45:35,908 INFO L93 Difference]: Finished difference Result 1154 states and 1877 transitions. [2024-10-24 01:45:35,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 01:45:35,911 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2024-10-24 01:45:35,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:45:35,933 INFO L225 Difference]: With dead ends: 1154 [2024-10-24 01:45:35,934 INFO L226 Difference]: Without dead ends: 1021 [2024-10-24 01:45:35,938 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2024-10-24 01:45:35,941 INFO L432 NwaCegarLoop]: 432 mSDtfsCounter, 3872 mSDsluCounter, 3493 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3872 SdHoareTripleChecker+Valid, 3925 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 01:45:35,941 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3872 Valid, 3925 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 01:45:35,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1021 states. [2024-10-24 01:45:36,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1021 to 394. [2024-10-24 01:45:36,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 393 states have (on average 1.508905852417303) internal successors, (593), 393 states have internal predecessors, (593), 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) [2024-10-24 01:45:36,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 593 transitions. [2024-10-24 01:45:36,012 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 593 transitions. Word has length 95 [2024-10-24 01:45:36,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:45:36,013 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 593 transitions. [2024-10-24 01:45:36,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:45:36,013 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 593 transitions. [2024-10-24 01:45:36,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-24 01:45:36,017 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:45:36,017 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:45:36,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 01:45:36,018 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 01:45:36,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:45:36,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1673283186, now seen corresponding path program 1 times [2024-10-24 01:45:36,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:45:36,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433347413] [2024-10-24 01:45:36,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:45:36,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:45:36,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:45:36,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:45:36,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:45:36,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433347413] [2024-10-24 01:45:36,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433347413] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:45:36,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:45:36,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 01:45:36,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301863125] [2024-10-24 01:45:36,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:45:36,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:45:36,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:45:36,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:45:36,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:45:36,380 INFO L87 Difference]: Start difference. First operand 394 states and 593 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 8 states have internal predecessors, (96), 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) [2024-10-24 01:45:36,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:45:36,617 INFO L93 Difference]: Finished difference Result 1971 states and 3069 transitions. [2024-10-24 01:45:36,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 01:45:36,618 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 8 states have internal predecessors, (96), 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 96 [2024-10-24 01:45:36,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:45:36,623 INFO L225 Difference]: With dead ends: 1971 [2024-10-24 01:45:36,624 INFO L226 Difference]: Without dead ends: 1675 [2024-10-24 01:45:36,625 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:45:36,627 INFO L432 NwaCegarLoop]: 748 mSDtfsCounter, 2174 mSDsluCounter, 1342 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2174 SdHoareTripleChecker+Valid, 2090 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 01:45:36,627 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2174 Valid, 2090 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 01:45:36,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1675 states. [2024-10-24 01:45:36,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1675 to 1665. [2024-10-24 01:45:36,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1665 states, 1664 states have (on average 1.5540865384615385) internal successors, (2586), 1664 states have internal predecessors, (2586), 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) [2024-10-24 01:45:36,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1665 states to 1665 states and 2586 transitions. [2024-10-24 01:45:36,680 INFO L78 Accepts]: Start accepts. Automaton has 1665 states and 2586 transitions. Word has length 96 [2024-10-24 01:45:36,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:45:36,680 INFO L471 AbstractCegarLoop]: Abstraction has 1665 states and 2586 transitions. [2024-10-24 01:45:36,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 8 states have internal predecessors, (96), 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) [2024-10-24 01:45:36,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1665 states and 2586 transitions. [2024-10-24 01:45:36,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-24 01:45:36,687 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:45:36,687 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:45:36,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 01:45:36,688 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 01:45:36,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:45:36,689 INFO L85 PathProgramCache]: Analyzing trace with hash 492623321, now seen corresponding path program 1 times [2024-10-24 01:45:36,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:45:36,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635598205] [2024-10-24 01:45:36,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:45:36,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:45:36,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:45:36,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:45:36,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:45:36,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635598205] [2024-10-24 01:45:36,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635598205] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:45:36,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:45:36,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 01:45:36,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145374823] [2024-10-24 01:45:36,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:45:36,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 01:45:36,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:45:36,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 01:45:36,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 01:45:36,843 INFO L87 Difference]: Start difference. First operand 1665 states and 2586 transitions. Second operand has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:45:37,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:45:37,150 INFO L93 Difference]: Finished difference Result 4635 states and 7276 transitions. [2024-10-24 01:45:37,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 01:45:37,151 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2024-10-24 01:45:37,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:45:37,161 INFO L225 Difference]: With dead ends: 4635 [2024-10-24 01:45:37,161 INFO L226 Difference]: Without dead ends: 3020 [2024-10-24 01:45:37,165 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:45:37,165 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 1485 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1485 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 01:45:37,166 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1485 Valid, 353 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 01:45:37,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3020 states. [2024-10-24 01:45:37,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3020 to 3018. [2024-10-24 01:45:37,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3018 states, 3017 states have (on average 1.5641365594961882) internal successors, (4719), 3017 states have internal predecessors, (4719), 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) [2024-10-24 01:45:37,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3018 states to 3018 states and 4719 transitions. [2024-10-24 01:45:37,216 INFO L78 Accepts]: Start accepts. Automaton has 3018 states and 4719 transitions. Word has length 97 [2024-10-24 01:45:37,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:45:37,216 INFO L471 AbstractCegarLoop]: Abstraction has 3018 states and 4719 transitions. [2024-10-24 01:45:37,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:45:37,219 INFO L276 IsEmpty]: Start isEmpty. Operand 3018 states and 4719 transitions. [2024-10-24 01:45:37,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-24 01:45:37,221 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:45:37,222 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:45:37,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 01:45:37,222 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 01:45:37,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:45:37,222 INFO L85 PathProgramCache]: Analyzing trace with hash -323483755, now seen corresponding path program 1 times [2024-10-24 01:45:37,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:45:37,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395857859] [2024-10-24 01:45:37,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:45:37,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:45:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:45:37,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:45:37,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:45:37,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395857859] [2024-10-24 01:45:37,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395857859] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:45:37,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:45:37,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 01:45:37,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184092860] [2024-10-24 01:45:37,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:45:37,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 01:45:37,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:45:37,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 01:45:37,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 01:45:37,348 INFO L87 Difference]: Start difference. First operand 3018 states and 4719 transitions. Second operand has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:45:37,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:45:37,586 INFO L93 Difference]: Finished difference Result 8181 states and 12872 transitions. [2024-10-24 01:45:37,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 01:45:37,586 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2024-10-24 01:45:37,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:45:37,601 INFO L225 Difference]: With dead ends: 8181 [2024-10-24 01:45:37,601 INFO L226 Difference]: Without dead ends: 5319 [2024-10-24 01:45:37,607 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:45:37,609 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 1353 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1353 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 01:45:37,610 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1353 Valid, 361 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 01:45:37,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5319 states. [2024-10-24 01:45:37,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5319 to 5317. [2024-10-24 01:45:37,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5317 states, 5316 states have (on average 1.5654627539503385) internal successors, (8322), 5316 states have internal predecessors, (8322), 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) [2024-10-24 01:45:37,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5317 states to 5317 states and 8322 transitions. [2024-10-24 01:45:37,732 INFO L78 Accepts]: Start accepts. Automaton has 5317 states and 8322 transitions. Word has length 97 [2024-10-24 01:45:37,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:45:37,733 INFO L471 AbstractCegarLoop]: Abstraction has 5317 states and 8322 transitions. [2024-10-24 01:45:37,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:45:37,733 INFO L276 IsEmpty]: Start isEmpty. Operand 5317 states and 8322 transitions. [2024-10-24 01:45:37,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-24 01:45:37,736 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:45:37,736 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:45:37,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 01:45:37,736 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 01:45:37,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:45:37,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1510224292, now seen corresponding path program 1 times [2024-10-24 01:45:37,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:45:37,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032390680] [2024-10-24 01:45:37,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:45:37,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:45:37,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:45:37,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:45:37,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:45:37,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032390680] [2024-10-24 01:45:37,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032390680] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:45:37,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:45:37,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 01:45:37,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519715717] [2024-10-24 01:45:37,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:45:37,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 01:45:37,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:45:37,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 01:45:37,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 01:45:37,844 INFO L87 Difference]: Start difference. First operand 5317 states and 8322 transitions. Second operand has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:45:38,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:45:38,102 INFO L93 Difference]: Finished difference Result 14999 states and 23598 transitions. [2024-10-24 01:45:38,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 01:45:38,103 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2024-10-24 01:45:38,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:45:38,161 INFO L225 Difference]: With dead ends: 14999 [2024-10-24 01:45:38,161 INFO L226 Difference]: Without dead ends: 9879 [2024-10-24 01:45:38,166 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:45:38,167 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 1339 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1339 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 01:45:38,167 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1339 Valid, 370 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 01:45:38,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9879 states. [2024-10-24 01:45:38,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9879 to 9877. [2024-10-24 01:45:38,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9877 states, 9876 states have (on average 1.5670311867152693) internal successors, (15476), 9876 states have internal predecessors, (15476), 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) [2024-10-24 01:45:38,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9877 states to 9877 states and 15476 transitions. [2024-10-24 01:45:38,353 INFO L78 Accepts]: Start accepts. Automaton has 9877 states and 15476 transitions. Word has length 97 [2024-10-24 01:45:38,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:45:38,353 INFO L471 AbstractCegarLoop]: Abstraction has 9877 states and 15476 transitions. [2024-10-24 01:45:38,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:45:38,354 INFO L276 IsEmpty]: Start isEmpty. Operand 9877 states and 15476 transitions. [2024-10-24 01:45:38,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-24 01:45:38,357 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:45:38,358 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:45:38,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 01:45:38,358 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 01:45:38,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:45:38,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1479716922, now seen corresponding path program 1 times [2024-10-24 01:45:38,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:45:38,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377388134] [2024-10-24 01:45:38,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:45:38,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:45:38,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:45:38,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:45:38,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:45:38,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377388134] [2024-10-24 01:45:38,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377388134] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:45:38,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:45:38,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 01:45:38,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092705614] [2024-10-24 01:45:38,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:45:38,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 01:45:38,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:45:38,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 01:45:38,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 01:45:38,473 INFO L87 Difference]: Start difference. First operand 9877 states and 15476 transitions. Second operand has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:45:38,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:45:38,812 INFO L93 Difference]: Finished difference Result 28883 states and 45350 transitions. [2024-10-24 01:45:38,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 01:45:38,813 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2024-10-24 01:45:38,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:45:38,859 INFO L225 Difference]: With dead ends: 28883 [2024-10-24 01:45:38,859 INFO L226 Difference]: Without dead ends: 19125 [2024-10-24 01:45:38,873 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:45:38,874 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 1377 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1377 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 01:45:38,874 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1377 Valid, 357 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 01:45:38,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19125 states. [2024-10-24 01:45:39,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19125 to 19123. [2024-10-24 01:45:39,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19123 states, 19122 states have (on average 1.5631733082313566) internal successors, (29891), 19122 states have internal predecessors, (29891), 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) [2024-10-24 01:45:39,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19123 states to 19123 states and 29891 transitions. [2024-10-24 01:45:39,229 INFO L78 Accepts]: Start accepts. Automaton has 19123 states and 29891 transitions. Word has length 97 [2024-10-24 01:45:39,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:45:39,230 INFO L471 AbstractCegarLoop]: Abstraction has 19123 states and 29891 transitions. [2024-10-24 01:45:39,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:45:39,230 INFO L276 IsEmpty]: Start isEmpty. Operand 19123 states and 29891 transitions. [2024-10-24 01:45:39,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-24 01:45:39,234 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:45:39,234 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:45:39,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 01:45:39,235 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 01:45:39,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:45:39,235 INFO L85 PathProgramCache]: Analyzing trace with hash 924420663, now seen corresponding path program 1 times [2024-10-24 01:45:39,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:45:39,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128124603] [2024-10-24 01:45:39,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:45:39,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:45:39,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:45:39,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:45:39,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:45:39,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128124603] [2024-10-24 01:45:39,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128124603] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:45:39,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:45:39,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 01:45:39,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559685353] [2024-10-24 01:45:39,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:45:39,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 01:45:39,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:45:39,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 01:45:39,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 01:45:39,339 INFO L87 Difference]: Start difference. First operand 19123 states and 29891 transitions. Second operand has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:45:39,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:45:39,735 INFO L93 Difference]: Finished difference Result 56727 states and 88773 transitions. [2024-10-24 01:45:39,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 01:45:39,736 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2024-10-24 01:45:39,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:45:39,796 INFO L225 Difference]: With dead ends: 56727 [2024-10-24 01:45:39,796 INFO L226 Difference]: Without dead ends: 37693 [2024-10-24 01:45:39,821 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:45:39,821 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 1403 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1403 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 01:45:39,822 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1403 Valid, 355 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 01:45:39,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37693 states. [2024-10-24 01:45:40,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37693 to 37691. [2024-10-24 01:45:40,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37691 states, 37690 states have (on average 1.5573626956752453) internal successors, (58697), 37690 states have internal predecessors, (58697), 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) [2024-10-24 01:45:40,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37691 states to 37691 states and 58697 transitions. [2024-10-24 01:45:40,447 INFO L78 Accepts]: Start accepts. Automaton has 37691 states and 58697 transitions. Word has length 97 [2024-10-24 01:45:40,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:45:40,448 INFO L471 AbstractCegarLoop]: Abstraction has 37691 states and 58697 transitions. [2024-10-24 01:45:40,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:45:40,448 INFO L276 IsEmpty]: Start isEmpty. Operand 37691 states and 58697 transitions. [2024-10-24 01:45:40,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-24 01:45:40,455 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:45:40,455 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:45:40,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 01:45:40,455 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 01:45:40,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:45:40,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1113732840, now seen corresponding path program 1 times [2024-10-24 01:45:40,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:45:40,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605586541] [2024-10-24 01:45:40,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:45:40,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:45:40,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:45:40,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:45:40,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:45:40,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605586541] [2024-10-24 01:45:40,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605586541] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:45:40,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:45:40,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 01:45:40,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737498378] [2024-10-24 01:45:40,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:45:40,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 01:45:40,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:45:40,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 01:45:40,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 01:45:40,679 INFO L87 Difference]: Start difference. First operand 37691 states and 58697 transitions. Second operand has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:45:41,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:45:41,288 INFO L93 Difference]: Finished difference Result 112443 states and 175227 transitions. [2024-10-24 01:45:41,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 01:45:41,289 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2024-10-24 01:45:41,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:45:41,484 INFO L225 Difference]: With dead ends: 112443 [2024-10-24 01:45:41,485 INFO L226 Difference]: Without dead ends: 74818 [2024-10-24 01:45:41,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:45:41,573 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 1425 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1425 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 01:45:41,573 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1425 Valid, 355 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 01:45:41,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74818 states. [2024-10-24 01:45:42,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74818 to 74816. [2024-10-24 01:45:42,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74816 states, 74815 states have (on average 1.5499699258170152) internal successors, (115961), 74815 states have internal predecessors, (115961), 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) [2024-10-24 01:45:42,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74816 states to 74816 states and 115961 transitions. [2024-10-24 01:45:42,685 INFO L78 Accepts]: Start accepts. Automaton has 74816 states and 115961 transitions. Word has length 97 [2024-10-24 01:45:42,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:45:42,685 INFO L471 AbstractCegarLoop]: Abstraction has 74816 states and 115961 transitions. [2024-10-24 01:45:42,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:45:42,685 INFO L276 IsEmpty]: Start isEmpty. Operand 74816 states and 115961 transitions. [2024-10-24 01:45:42,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-24 01:45:42,837 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:45:42,837 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:45:42,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 01:45:42,838 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 01:45:42,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:45:42,838 INFO L85 PathProgramCache]: Analyzing trace with hash -1930495294, now seen corresponding path program 1 times [2024-10-24 01:45:42,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:45:42,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443769164] [2024-10-24 01:45:42,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:45:42,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:45:42,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:45:43,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:45:43,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:45:43,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443769164] [2024-10-24 01:45:43,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443769164] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:45:43,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:45:43,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 01:45:43,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900066693] [2024-10-24 01:45:43,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:45:43,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 01:45:43,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:45:43,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 01:45:43,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 01:45:43,218 INFO L87 Difference]: Start difference. First operand 74816 states and 115961 transitions. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 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) [2024-10-24 01:45:43,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:45:43,445 INFO L93 Difference]: Finished difference Result 76354 states and 118266 transitions. [2024-10-24 01:45:43,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 01:45:43,446 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-10-24 01:45:43,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:45:43,537 INFO L225 Difference]: With dead ends: 76354 [2024-10-24 01:45:43,538 INFO L226 Difference]: Without dead ends: 76352 [2024-10-24 01:45:43,567 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 01:45:43,567 INFO L432 NwaCegarLoop]: 352 mSDtfsCounter, 0 mSDsluCounter, 1049 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1401 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 01:45:43,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1401 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 01:45:43,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76352 states. [2024-10-24 01:45:44,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76352 to 76352. [2024-10-24 01:45:44,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76352 states, 76351 states have (on average 1.5389058427525508) internal successors, (117497), 76351 states have internal predecessors, (117497), 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) [2024-10-24 01:45:44,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76352 states to 76352 states and 117497 transitions. [2024-10-24 01:45:44,601 INFO L78 Accepts]: Start accepts. Automaton has 76352 states and 117497 transitions. Word has length 98 [2024-10-24 01:45:44,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:45:44,601 INFO L471 AbstractCegarLoop]: Abstraction has 76352 states and 117497 transitions. [2024-10-24 01:45:44,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 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) [2024-10-24 01:45:44,602 INFO L276 IsEmpty]: Start isEmpty. Operand 76352 states and 117497 transitions. [2024-10-24 01:45:44,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-24 01:45:44,615 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:45:44,615 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:45:44,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 01:45:44,615 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 01:45:44,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:45:44,616 INFO L85 PathProgramCache]: Analyzing trace with hash 629373785, now seen corresponding path program 1 times [2024-10-24 01:45:44,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:45:44,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563973636] [2024-10-24 01:45:44,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:45:44,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:45:44,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:45:45,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:45:45,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:45:45,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563973636] [2024-10-24 01:45:45,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563973636] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:45:45,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:45:45,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 01:45:45,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262439357] [2024-10-24 01:45:45,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:45:45,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 01:45:45,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:45:45,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 01:45:45,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-24 01:45:45,017 INFO L87 Difference]: Start difference. First operand 76352 states and 117497 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 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) [2024-10-24 01:45:46,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:45:46,272 INFO L93 Difference]: Finished difference Result 192435 states and 294360 transitions. [2024-10-24 01:45:46,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 01:45:46,273 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 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 99 [2024-10-24 01:45:46,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:45:46,695 INFO L225 Difference]: With dead ends: 192435 [2024-10-24 01:45:46,695 INFO L226 Difference]: Without dead ends: 117184 [2024-10-24 01:45:46,759 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2024-10-24 01:45:46,761 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 1665 mSDsluCounter, 982 mSDsCounter, 0 mSdLazyCounter, 944 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1665 SdHoareTripleChecker+Valid, 1221 SdHoareTripleChecker+Invalid, 953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 944 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 01:45:46,761 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1665 Valid, 1221 Invalid, 953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 944 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 01:45:46,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117184 states. [2024-10-24 01:45:47,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117184 to 76424. [2024-10-24 01:45:47,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76424 states, 76423 states have (on average 1.538332700888476) internal successors, (117564), 76423 states have internal predecessors, (117564), 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) [2024-10-24 01:45:48,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76424 states to 76424 states and 117564 transitions. [2024-10-24 01:45:48,091 INFO L78 Accepts]: Start accepts. Automaton has 76424 states and 117564 transitions. Word has length 99 [2024-10-24 01:45:48,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:45:48,091 INFO L471 AbstractCegarLoop]: Abstraction has 76424 states and 117564 transitions. [2024-10-24 01:45:48,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 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) [2024-10-24 01:45:48,092 INFO L276 IsEmpty]: Start isEmpty. Operand 76424 states and 117564 transitions. [2024-10-24 01:45:48,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-24 01:45:48,102 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:45:48,102 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:45:48,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 01:45:48,103 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 01:45:48,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:45:48,103 INFO L85 PathProgramCache]: Analyzing trace with hash -130610215, now seen corresponding path program 1 times [2024-10-24 01:45:48,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:45:48,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453751305] [2024-10-24 01:45:48,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:45:48,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:45:48,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:45:48,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:45:48,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:45:48,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453751305] [2024-10-24 01:45:48,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453751305] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:45:48,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:45:48,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 01:45:48,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695922412] [2024-10-24 01:45:48,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:45:48,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 01:45:48,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:45:48,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 01:45:48,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-24 01:45:48,451 INFO L87 Difference]: Start difference. First operand 76424 states and 117564 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 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) [2024-10-24 01:45:49,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:45:49,415 INFO L93 Difference]: Finished difference Result 115381 states and 176160 transitions. [2024-10-24 01:45:49,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 01:45:49,416 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 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 99 [2024-10-24 01:45:49,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:45:49,894 INFO L225 Difference]: With dead ends: 115381 [2024-10-24 01:45:49,895 INFO L226 Difference]: Without dead ends: 94259 [2024-10-24 01:45:49,918 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2024-10-24 01:45:49,919 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 1666 mSDsluCounter, 969 mSDsCounter, 0 mSdLazyCounter, 896 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1666 SdHoareTripleChecker+Valid, 1199 SdHoareTripleChecker+Invalid, 905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 01:45:49,919 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1666 Valid, 1199 Invalid, 905 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 896 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 01:45:49,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94259 states. [2024-10-24 01:45:50,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94259 to 77297. [2024-10-24 01:45:50,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77297 states, 77296 states have (on average 1.5376733595528875) internal successors, (118856), 77296 states have internal predecessors, (118856), 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) [2024-10-24 01:45:50,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77297 states to 77297 states and 118856 transitions. [2024-10-24 01:45:50,987 INFO L78 Accepts]: Start accepts. Automaton has 77297 states and 118856 transitions. Word has length 99 [2024-10-24 01:45:50,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:45:50,987 INFO L471 AbstractCegarLoop]: Abstraction has 77297 states and 118856 transitions. [2024-10-24 01:45:50,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 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) [2024-10-24 01:45:50,987 INFO L276 IsEmpty]: Start isEmpty. Operand 77297 states and 118856 transitions. [2024-10-24 01:45:50,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-24 01:45:50,997 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:45:50,997 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:45:50,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 01:45:50,998 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 01:45:50,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:45:50,998 INFO L85 PathProgramCache]: Analyzing trace with hash -678806535, now seen corresponding path program 1 times [2024-10-24 01:45:50,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:45:50,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522449185] [2024-10-24 01:45:50,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:45:50,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:45:51,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:45:51,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:45:51,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:45:51,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522449185] [2024-10-24 01:45:51,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522449185] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:45:51,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:45:51,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 01:45:51,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222752805] [2024-10-24 01:45:51,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:45:51,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 01:45:51,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:45:51,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 01:45:51,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-24 01:45:51,306 INFO L87 Difference]: Start difference. First operand 77297 states and 118856 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 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) [2024-10-24 01:45:52,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:45:52,415 INFO L93 Difference]: Finished difference Result 123726 states and 189234 transitions. [2024-10-24 01:45:52,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 01:45:52,416 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 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 99 [2024-10-24 01:45:52,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:45:52,534 INFO L225 Difference]: With dead ends: 123726 [2024-10-24 01:45:52,535 INFO L226 Difference]: Without dead ends: 116083 [2024-10-24 01:45:52,553 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-24 01:45:52,554 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 1030 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 984 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1030 SdHoareTripleChecker+Valid, 1364 SdHoareTripleChecker+Invalid, 991 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 984 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 01:45:52,554 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1030 Valid, 1364 Invalid, 991 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 984 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 01:45:52,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116083 states. [2024-10-24 01:45:53,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116083 to 77297. [2024-10-24 01:45:53,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77297 states, 77296 states have (on average 1.5376216104326226) internal successors, (118852), 77296 states have internal predecessors, (118852), 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) [2024-10-24 01:45:53,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77297 states to 77297 states and 118852 transitions. [2024-10-24 01:45:53,703 INFO L78 Accepts]: Start accepts. Automaton has 77297 states and 118852 transitions. Word has length 99 [2024-10-24 01:45:53,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:45:53,703 INFO L471 AbstractCegarLoop]: Abstraction has 77297 states and 118852 transitions. [2024-10-24 01:45:53,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 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) [2024-10-24 01:45:53,703 INFO L276 IsEmpty]: Start isEmpty. Operand 77297 states and 118852 transitions. [2024-10-24 01:45:53,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-24 01:45:53,715 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:45:53,715 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:45:53,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 01:45:53,715 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 01:45:53,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:45:53,716 INFO L85 PathProgramCache]: Analyzing trace with hash 831099833, now seen corresponding path program 1 times [2024-10-24 01:45:53,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:45:53,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076279266] [2024-10-24 01:45:53,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:45:53,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:45:53,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:45:53,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:45:53,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:45:53,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076279266] [2024-10-24 01:45:53,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076279266] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:45:53,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:45:53,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 01:45:53,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934370613] [2024-10-24 01:45:53,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:45:53,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 01:45:53,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:45:53,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 01:45:53,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-24 01:45:53,997 INFO L87 Difference]: Start difference. First operand 77297 states and 118852 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 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) [2024-10-24 01:45:54,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:45:54,887 INFO L93 Difference]: Finished difference Result 135903 states and 207693 transitions. [2024-10-24 01:45:54,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 01:45:54,888 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 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 99 [2024-10-24 01:45:54,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:45:55,030 INFO L225 Difference]: With dead ends: 135903 [2024-10-24 01:45:55,030 INFO L226 Difference]: Without dead ends: 101287 [2024-10-24 01:45:55,084 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2024-10-24 01:45:55,085 INFO L432 NwaCegarLoop]: 243 mSDtfsCounter, 1496 mSDsluCounter, 1000 mSDsCounter, 0 mSdLazyCounter, 980 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1496 SdHoareTripleChecker+Valid, 1243 SdHoareTripleChecker+Invalid, 989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 01:45:55,085 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1496 Valid, 1243 Invalid, 989 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 980 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 01:45:55,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101287 states. [2024-10-24 01:45:56,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101287 to 78272. [2024-10-24 01:45:56,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78272 states, 78271 states have (on average 1.5355240127250196) internal successors, (120187), 78271 states have internal predecessors, (120187), 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) [2024-10-24 01:45:56,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78272 states to 78272 states and 120187 transitions. [2024-10-24 01:45:56,794 INFO L78 Accepts]: Start accepts. Automaton has 78272 states and 120187 transitions. Word has length 99 [2024-10-24 01:45:56,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:45:56,794 INFO L471 AbstractCegarLoop]: Abstraction has 78272 states and 120187 transitions. [2024-10-24 01:45:56,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 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) [2024-10-24 01:45:56,794 INFO L276 IsEmpty]: Start isEmpty. Operand 78272 states and 120187 transitions. [2024-10-24 01:45:56,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-24 01:45:56,805 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:45:56,805 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:45:56,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-24 01:45:56,807 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 01:45:56,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:45:56,807 INFO L85 PathProgramCache]: Analyzing trace with hash -514731111, now seen corresponding path program 1 times [2024-10-24 01:45:56,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:45:56,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640182877] [2024-10-24 01:45:56,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:45:56,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:45:56,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:45:57,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:45:57,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:45:57,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640182877] [2024-10-24 01:45:57,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640182877] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:45:57,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:45:57,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 01:45:57,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509199671] [2024-10-24 01:45:57,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:45:57,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 01:45:57,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:45:57,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 01:45:57,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-24 01:45:57,013 INFO L87 Difference]: Start difference. First operand 78272 states and 120187 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 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) [2024-10-24 01:45:57,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:45:57,897 INFO L93 Difference]: Finished difference Result 156814 states and 239386 transitions. [2024-10-24 01:45:57,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 01:45:57,898 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 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 99 [2024-10-24 01:45:57,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:45:58,036 INFO L225 Difference]: With dead ends: 156814 [2024-10-24 01:45:58,036 INFO L226 Difference]: Without dead ends: 109271 [2024-10-24 01:45:58,099 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2024-10-24 01:45:58,100 INFO L432 NwaCegarLoop]: 244 mSDtfsCounter, 980 mSDsluCounter, 1001 mSDsCounter, 0 mSdLazyCounter, 988 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 980 SdHoareTripleChecker+Valid, 1245 SdHoareTripleChecker+Invalid, 997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 988 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 01:45:58,100 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [980 Valid, 1245 Invalid, 997 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 988 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 01:45:58,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109271 states. [2024-10-24 01:45:59,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109271 to 79367. [2024-10-24 01:45:59,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79367 states, 79366 states have (on average 1.5326714210115162) internal successors, (121642), 79366 states have internal predecessors, (121642), 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) [2024-10-24 01:45:59,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79367 states to 79367 states and 121642 transitions. [2024-10-24 01:45:59,891 INFO L78 Accepts]: Start accepts. Automaton has 79367 states and 121642 transitions. Word has length 99 [2024-10-24 01:45:59,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:45:59,891 INFO L471 AbstractCegarLoop]: Abstraction has 79367 states and 121642 transitions. [2024-10-24 01:45:59,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 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) [2024-10-24 01:45:59,891 INFO L276 IsEmpty]: Start isEmpty. Operand 79367 states and 121642 transitions. [2024-10-24 01:45:59,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-24 01:45:59,905 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:45:59,905 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:45:59,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-24 01:45:59,905 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 01:45:59,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:45:59,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1734331257, now seen corresponding path program 1 times [2024-10-24 01:45:59,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:45:59,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926090700] [2024-10-24 01:45:59,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:45:59,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:45:59,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:46:00,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:46:00,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:46:00,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926090700] [2024-10-24 01:46:00,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926090700] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:46:00,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:46:00,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 01:46:00,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941199083] [2024-10-24 01:46:00,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:46:00,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 01:46:00,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:46:00,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 01:46:00,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-24 01:46:00,210 INFO L87 Difference]: Start difference. First operand 79367 states and 121642 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 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) [2024-10-24 01:46:01,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:46:01,349 INFO L93 Difference]: Finished difference Result 176760 states and 269394 transitions. [2024-10-24 01:46:01,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 01:46:01,354 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 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 99 [2024-10-24 01:46:01,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:46:01,522 INFO L225 Difference]: With dead ends: 176760 [2024-10-24 01:46:01,522 INFO L226 Difference]: Without dead ends: 117004 [2024-10-24 01:46:01,977 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-24 01:46:01,978 INFO L432 NwaCegarLoop]: 389 mSDtfsCounter, 1118 mSDsluCounter, 1605 mSDsCounter, 0 mSdLazyCounter, 1428 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1118 SdHoareTripleChecker+Valid, 1994 SdHoareTripleChecker+Invalid, 1434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 01:46:01,978 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1118 Valid, 1994 Invalid, 1434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1428 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 01:46:02,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117004 states. [2024-10-24 01:46:03,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117004 to 80656. [2024-10-24 01:46:03,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80656 states, 80655 states have (on average 1.528287148967826) internal successors, (123264), 80655 states have internal predecessors, (123264), 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) [2024-10-24 01:46:03,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80656 states to 80656 states and 123264 transitions. [2024-10-24 01:46:03,258 INFO L78 Accepts]: Start accepts. Automaton has 80656 states and 123264 transitions. Word has length 99 [2024-10-24 01:46:03,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:46:03,258 INFO L471 AbstractCegarLoop]: Abstraction has 80656 states and 123264 transitions. [2024-10-24 01:46:03,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 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) [2024-10-24 01:46:03,259 INFO L276 IsEmpty]: Start isEmpty. Operand 80656 states and 123264 transitions. [2024-10-24 01:46:03,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-24 01:46:03,271 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:46:03,271 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:46:03,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-24 01:46:03,271 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 01:46:03,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:46:03,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1462720807, now seen corresponding path program 1 times [2024-10-24 01:46:03,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:46:03,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409899003] [2024-10-24 01:46:03,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:46:03,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:46:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:46:03,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:46:03,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:46:03,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409899003] [2024-10-24 01:46:03,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409899003] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:46:03,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:46:03,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 01:46:03,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437066696] [2024-10-24 01:46:03,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:46:03,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 01:46:03,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:46:03,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 01:46:03,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 01:46:03,389 INFO L87 Difference]: Start difference. First operand 80656 states and 123264 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 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) [2024-10-24 01:46:03,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:46:03,863 INFO L93 Difference]: Finished difference Result 221844 states and 339826 transitions. [2024-10-24 01:46:03,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 01:46:03,863 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 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 100 [2024-10-24 01:46:03,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:46:04,084 INFO L225 Difference]: With dead ends: 221844 [2024-10-24 01:46:04,085 INFO L226 Difference]: Without dead ends: 147346 [2024-10-24 01:46:04,167 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 01:46:04,168 INFO L432 NwaCegarLoop]: 350 mSDtfsCounter, 247 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 01:46:04,168 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 879 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 01:46:04,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147346 states. [2024-10-24 01:46:06,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147346 to 146608. [2024-10-24 01:46:06,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146608 states, 146607 states have (on average 1.52014569563527) internal successors, (222864), 146607 states have internal predecessors, (222864), 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) [2024-10-24 01:46:06,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146608 states to 146608 states and 222864 transitions. [2024-10-24 01:46:06,730 INFO L78 Accepts]: Start accepts. Automaton has 146608 states and 222864 transitions. Word has length 100 [2024-10-24 01:46:06,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:46:06,731 INFO L471 AbstractCegarLoop]: Abstraction has 146608 states and 222864 transitions. [2024-10-24 01:46:06,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 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) [2024-10-24 01:46:06,731 INFO L276 IsEmpty]: Start isEmpty. Operand 146608 states and 222864 transitions. [2024-10-24 01:46:06,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-24 01:46:06,744 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:46:06,744 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:46:06,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-24 01:46:06,745 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 01:46:06,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:46:06,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1569828370, now seen corresponding path program 1 times [2024-10-24 01:46:06,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:46:06,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960469749] [2024-10-24 01:46:06,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:46:06,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:46:06,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:46:06,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:46:06,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:46:06,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960469749] [2024-10-24 01:46:06,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960469749] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:46:06,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:46:06,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:46:06,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68280185] [2024-10-24 01:46:06,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:46:06,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:46:06,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:46:06,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:46:06,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:46:06,803 INFO L87 Difference]: Start difference. First operand 146608 states and 222864 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 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) [2024-10-24 01:46:08,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:46:08,188 INFO L93 Difference]: Finished difference Result 321312 states and 488862 transitions. [2024-10-24 01:46:08,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:46:08,189 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 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 100 [2024-10-24 01:46:08,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:46:08,475 INFO L225 Difference]: With dead ends: 321312 [2024-10-24 01:46:08,476 INFO L226 Difference]: Without dead ends: 196390 [2024-10-24 01:46:08,559 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 [2024-10-24 01:46:08,560 INFO L432 NwaCegarLoop]: 355 mSDtfsCounter, 251 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 686 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 [2024-10-24 01:46:08,560 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 686 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 01:46:08,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196390 states. [2024-10-24 01:46:10,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196390 to 195316. [2024-10-24 01:46:11,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195316 states, 195315 states have (on average 1.5059724035532345) internal successors, (294139), 195315 states have internal predecessors, (294139), 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) [2024-10-24 01:46:11,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195316 states to 195316 states and 294139 transitions. [2024-10-24 01:46:11,500 INFO L78 Accepts]: Start accepts. Automaton has 195316 states and 294139 transitions. Word has length 100 [2024-10-24 01:46:11,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:46:11,500 INFO L471 AbstractCegarLoop]: Abstraction has 195316 states and 294139 transitions. [2024-10-24 01:46:11,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 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) [2024-10-24 01:46:11,501 INFO L276 IsEmpty]: Start isEmpty. Operand 195316 states and 294139 transitions. [2024-10-24 01:46:11,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-24 01:46:11,515 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:46:11,515 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:46:11,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-24 01:46:11,515 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 01:46:11,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:46:11,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1642130214, now seen corresponding path program 1 times [2024-10-24 01:46:11,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:46:11,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541546110] [2024-10-24 01:46:11,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:46:11,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:46:11,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:46:11,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:46:11,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:46:11,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541546110] [2024-10-24 01:46:11,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541546110] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:46:11,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:46:11,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:46:11,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992860935] [2024-10-24 01:46:11,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:46:11,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:46:11,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:46:11,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:46:11,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:46:11,563 INFO L87 Difference]: Start difference. First operand 195316 states and 294139 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 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) [2024-10-24 01:46:12,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:46:12,902 INFO L93 Difference]: Finished difference Result 251590 states and 378585 transitions. [2024-10-24 01:46:12,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:46:12,903 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 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 100 [2024-10-24 01:46:12,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:46:13,310 INFO L225 Difference]: With dead ends: 251590 [2024-10-24 01:46:13,310 INFO L226 Difference]: Without dead ends: 211468 [2024-10-24 01:46:13,386 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 [2024-10-24 01:46:13,387 INFO L432 NwaCegarLoop]: 359 mSDtfsCounter, 210 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 691 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 01:46:13,387 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 691 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 01:46:13,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211468 states. [2024-10-24 01:46:15,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211468 to 192746. [2024-10-24 01:46:15,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192746 states, 192745 states have (on average 1.488572985032037) internal successors, (286915), 192745 states have internal predecessors, (286915), 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) [2024-10-24 01:46:16,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192746 states to 192746 states and 286915 transitions. [2024-10-24 01:46:16,563 INFO L78 Accepts]: Start accepts. Automaton has 192746 states and 286915 transitions. Word has length 100 [2024-10-24 01:46:16,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:46:16,564 INFO L471 AbstractCegarLoop]: Abstraction has 192746 states and 286915 transitions. [2024-10-24 01:46:16,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 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) [2024-10-24 01:46:16,564 INFO L276 IsEmpty]: Start isEmpty. Operand 192746 states and 286915 transitions. [2024-10-24 01:46:16,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-24 01:46:16,576 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:46:16,577 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:46:16,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-24 01:46:16,577 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 01:46:16,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:46:16,577 INFO L85 PathProgramCache]: Analyzing trace with hash -118113359, now seen corresponding path program 1 times [2024-10-24 01:46:16,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:46:16,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871688839] [2024-10-24 01:46:16,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:46:16,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:46:16,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:46:16,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:46:16,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:46:16,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871688839] [2024-10-24 01:46:16,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871688839] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:46:16,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:46:16,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:46:16,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97383038] [2024-10-24 01:46:16,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:46:16,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:46:16,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:46:16,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:46:16,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:46:16,626 INFO L87 Difference]: Start difference. First operand 192746 states and 286915 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 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) [2024-10-24 01:46:18,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:46:18,617 INFO L93 Difference]: Finished difference Result 501923 states and 748459 transitions. [2024-10-24 01:46:18,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:46:18,617 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 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 100 [2024-10-24 01:46:18,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:46:19,166 INFO L225 Difference]: With dead ends: 501923 [2024-10-24 01:46:19,167 INFO L226 Difference]: Without dead ends: 328163 [2024-10-24 01:46:19,301 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 [2024-10-24 01:46:19,302 INFO L432 NwaCegarLoop]: 388 mSDtfsCounter, 255 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 718 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 [2024-10-24 01:46:19,302 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 718 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 01:46:19,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328163 states.