./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/systemc/token_ring.06.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/systemc/token_ring.06.cil-2.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 4d0fbec14d1477738cb6d25ea9b61fc7005f787f2c8a0ac2c555d7e4fa1dbf47 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 02:19:31,100 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 02:19:31,150 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 02:19:31,156 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 02:19:31,158 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 02:19:31,182 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 02:19:31,183 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 02:19:31,183 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 02:19:31,184 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 02:19:31,185 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 02:19:31,185 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 02:19:31,185 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 02:19:31,186 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 02:19:31,186 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 02:19:31,187 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 02:19:31,188 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 02:19:31,188 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 02:19:31,188 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 02:19:31,188 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 02:19:31,188 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 02:19:31,188 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 02:19:31,189 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 02:19:31,189 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 02:19:31,189 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 02:19:31,189 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 02:19:31,190 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 02:19:31,190 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 02:19:31,190 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 02:19:31,190 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 02:19:31,190 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 02:19:31,190 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 02:19:31,191 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 02:19:31,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 02:19:31,191 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 02:19:31,191 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 02:19:31,191 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 02:19:31,192 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 02:19:31,192 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 02:19:31,192 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 02:19:31,192 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 02:19:31,192 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 02:19:31,193 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 02:19:31,193 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d0fbec14d1477738cb6d25ea9b61fc7005f787f2c8a0ac2c555d7e4fa1dbf47 [2024-11-22 02:19:31,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 02:19:31,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 02:19:31,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 02:19:31,426 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 02:19:31,426 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 02:19:31,427 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/token_ring.06.cil-2.c [2024-11-22 02:19:32,640 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 02:19:32,823 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 02:19:32,824 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/token_ring.06.cil-2.c [2024-11-22 02:19:32,844 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67f2c7202/369fcf9cf2384953ad27476db94e09ce/FLAGc2feca6d3 [2024-11-22 02:19:32,861 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67f2c7202/369fcf9cf2384953ad27476db94e09ce [2024-11-22 02:19:32,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 02:19:32,867 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 02:19:32,868 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 02:19:32,883 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 02:19:32,889 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 02:19:32,890 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:19:32" (1/1) ... [2024-11-22 02:19:32,891 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@183df768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:19:32, skipping insertion in model container [2024-11-22 02:19:32,892 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:19:32" (1/1) ... [2024-11-22 02:19:32,918 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 02:19:33,051 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/token_ring.06.cil-2.c[671,684] [2024-11-22 02:19:33,118 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 02:19:33,129 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 02:19:33,137 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/token_ring.06.cil-2.c[671,684] [2024-11-22 02:19:33,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 02:19:33,189 INFO L204 MainTranslator]: Completed translation [2024-11-22 02:19:33,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:19:33 WrapperNode [2024-11-22 02:19:33,189 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 02:19:33,190 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 02:19:33,190 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 02:19:33,191 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 02:19:33,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:19:33" (1/1) ... [2024-11-22 02:19:33,207 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:19:33" (1/1) ... [2024-11-22 02:19:33,231 INFO L138 Inliner]: procedures = 40, calls = 49, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 519 [2024-11-22 02:19:33,232 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 02:19:33,232 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 02:19:33,233 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 02:19:33,233 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 02:19:33,242 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:19:33" (1/1) ... [2024-11-22 02:19:33,242 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:19:33" (1/1) ... [2024-11-22 02:19:33,245 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:19:33" (1/1) ... [2024-11-22 02:19:33,256 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-22 02:19:33,257 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:19:33" (1/1) ... [2024-11-22 02:19:33,257 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:19:33" (1/1) ... [2024-11-22 02:19:33,263 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:19:33" (1/1) ... [2024-11-22 02:19:33,271 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:19:33" (1/1) ... [2024-11-22 02:19:33,273 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:19:33" (1/1) ... [2024-11-22 02:19:33,275 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:19:33" (1/1) ... [2024-11-22 02:19:33,279 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 02:19:33,280 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 02:19:33,280 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 02:19:33,280 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 02:19:33,281 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:19:33" (1/1) ... [2024-11-22 02:19:33,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 02:19:33,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 02:19:33,322 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 02:19:33,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 02:19:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 02:19:33,370 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2024-11-22 02:19:33,371 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2024-11-22 02:19:33,371 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2024-11-22 02:19:33,371 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2024-11-22 02:19:33,371 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-11-22 02:19:33,371 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-11-22 02:19:33,371 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2024-11-22 02:19:33,372 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2024-11-22 02:19:33,372 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2024-11-22 02:19:33,372 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2024-11-22 02:19:33,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 02:19:33,373 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2024-11-22 02:19:33,373 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2024-11-22 02:19:33,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 02:19:33,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 02:19:33,464 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 02:19:33,467 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 02:19:33,982 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-11-22 02:19:33,983 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 02:19:34,003 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 02:19:34,003 INFO L316 CfgBuilder]: Removed 9 assume(true) statements. [2024-11-22 02:19:34,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:19:34 BoogieIcfgContainer [2024-11-22 02:19:34,004 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 02:19:34,005 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 02:19:34,005 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 02:19:34,025 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 02:19:34,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:19:32" (1/3) ... [2024-11-22 02:19:34,026 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ede0c31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:19:34, skipping insertion in model container [2024-11-22 02:19:34,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:19:33" (2/3) ... [2024-11-22 02:19:34,027 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ede0c31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:19:34, skipping insertion in model container [2024-11-22 02:19:34,027 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:19:34" (3/3) ... [2024-11-22 02:19:34,028 INFO L112 eAbstractionObserver]: Analyzing ICFG token_ring.06.cil-2.c [2024-11-22 02:19:34,041 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 02:19:34,041 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 02:19:34,103 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 02:19:34,109 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;@2f582695, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 02:19:34,109 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 02:19:34,115 INFO L276 IsEmpty]: Start isEmpty. Operand has 239 states, 211 states have (on average 1.6113744075829384) internal successors, (340), 213 states have internal predecessors, (340), 20 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-22 02:19:34,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-22 02:19:34,126 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:19:34,127 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:19:34,128 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:19:34,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:19:34,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1989971987, now seen corresponding path program 1 times [2024-11-22 02:19:34,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:19:34,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981693437] [2024-11-22 02:19:34,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:19:34,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:19:34,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:19:34,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:19:34,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:19:34,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981693437] [2024-11-22 02:19:34,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981693437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:19:34,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:19:34,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:19:34,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18227147] [2024-11-22 02:19:34,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:19:34,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:19:34,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:19:34,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:19:34,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:19:34,510 INFO L87 Difference]: Start difference. First operand has 239 states, 211 states have (on average 1.6113744075829384) internal successors, (340), 213 states have internal predecessors, (340), 20 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 02:19:34,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:19:34,590 INFO L93 Difference]: Finished difference Result 471 states and 751 transitions. [2024-11-22 02:19:34,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:19:34,592 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 111 [2024-11-22 02:19:34,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:19:34,604 INFO L225 Difference]: With dead ends: 471 [2024-11-22 02:19:34,604 INFO L226 Difference]: Without dead ends: 234 [2024-11-22 02:19:34,608 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:19:34,614 INFO L432 NwaCegarLoop]: 358 mSDtfsCounter, 354 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:19:34,615 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 358 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:19:34,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-11-22 02:19:34,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2024-11-22 02:19:34,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 207 states have (on average 1.5217391304347827) internal successors, (315), 208 states have internal predecessors, (315), 20 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-22 02:19:34,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 355 transitions. [2024-11-22 02:19:34,681 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 355 transitions. Word has length 111 [2024-11-22 02:19:34,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:19:34,683 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 355 transitions. [2024-11-22 02:19:34,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 02:19:34,684 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 355 transitions. [2024-11-22 02:19:34,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-22 02:19:34,687 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:19:34,688 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:19:34,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 02:19:34,689 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:19:34,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:19:34,690 INFO L85 PathProgramCache]: Analyzing trace with hash 915701295, now seen corresponding path program 1 times [2024-11-22 02:19:34,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:19:34,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539842165] [2024-11-22 02:19:34,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:19:34,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:19:34,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:19:34,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:19:34,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:19:34,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539842165] [2024-11-22 02:19:34,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539842165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:19:34,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:19:34,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 02:19:34,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966209448] [2024-11-22 02:19:34,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:19:34,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:19:34,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:19:34,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:19:34,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:19:34,887 INFO L87 Difference]: Start difference. First operand 234 states and 355 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 02:19:35,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:19:35,325 INFO L93 Difference]: Finished difference Result 698 states and 1071 transitions. [2024-11-22 02:19:35,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 02:19:35,326 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 111 [2024-11-22 02:19:35,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:19:35,335 INFO L225 Difference]: With dead ends: 698 [2024-11-22 02:19:35,335 INFO L226 Difference]: Without dead ends: 478 [2024-11-22 02:19:35,340 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:19:35,341 INFO L432 NwaCegarLoop]: 276 mSDtfsCounter, 648 mSDsluCounter, 695 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 662 SdHoareTripleChecker+Valid, 971 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 02:19:35,342 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [662 Valid, 971 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 02:19:35,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2024-11-22 02:19:35,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 461. [2024-11-22 02:19:35,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461 states, 412 states have (on average 1.5339805825242718) internal successors, (632), 414 states have internal predecessors, (632), 35 states have call successors, (35), 12 states have call predecessors, (35), 13 states have return successors, (36), 35 states have call predecessors, (36), 35 states have call successors, (36) [2024-11-22 02:19:35,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 703 transitions. [2024-11-22 02:19:35,381 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 703 transitions. Word has length 111 [2024-11-22 02:19:35,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:19:35,381 INFO L471 AbstractCegarLoop]: Abstraction has 461 states and 703 transitions. [2024-11-22 02:19:35,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 02:19:35,382 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 703 transitions. [2024-11-22 02:19:35,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-22 02:19:35,385 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:19:35,386 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:19:35,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 02:19:35,386 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:19:35,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:19:35,387 INFO L85 PathProgramCache]: Analyzing trace with hash -2100267341, now seen corresponding path program 1 times [2024-11-22 02:19:35,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:19:35,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434965845] [2024-11-22 02:19:35,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:19:35,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:19:35,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:19:35,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:19:35,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:19:35,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434965845] [2024-11-22 02:19:35,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434965845] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:19:35,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:19:35,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 02:19:35,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16316747] [2024-11-22 02:19:35,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:19:35,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 02:19:35,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:19:35,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 02:19:35,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:19:35,558 INFO L87 Difference]: Start difference. First operand 461 states and 703 transitions. Second operand has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 02:19:36,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:19:36,074 INFO L93 Difference]: Finished difference Result 1193 states and 1840 transitions. [2024-11-22 02:19:36,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 02:19:36,075 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 111 [2024-11-22 02:19:36,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:19:36,080 INFO L225 Difference]: With dead ends: 1193 [2024-11-22 02:19:36,081 INFO L226 Difference]: Without dead ends: 746 [2024-11-22 02:19:36,083 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-22 02:19:36,084 INFO L432 NwaCegarLoop]: 462 mSDtfsCounter, 646 mSDsluCounter, 1395 mSDsCounter, 0 mSdLazyCounter, 686 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 660 SdHoareTripleChecker+Valid, 1857 SdHoareTripleChecker+Invalid, 712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 02:19:36,086 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [660 Valid, 1857 Invalid, 712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 686 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 02:19:36,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2024-11-22 02:19:36,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 673. [2024-11-22 02:19:36,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 673 states, 602 states have (on average 1.526578073089701) internal successors, (919), 605 states have internal predecessors, (919), 50 states have call successors, (50), 18 states have call predecessors, (50), 20 states have return successors, (54), 51 states have call predecessors, (54), 50 states have call successors, (54) [2024-11-22 02:19:36,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 1023 transitions. [2024-11-22 02:19:36,126 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 1023 transitions. Word has length 111 [2024-11-22 02:19:36,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:19:36,127 INFO L471 AbstractCegarLoop]: Abstraction has 673 states and 1023 transitions. [2024-11-22 02:19:36,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 02:19:36,127 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 1023 transitions. [2024-11-22 02:19:36,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-22 02:19:36,128 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:19:36,128 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:19:36,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 02:19:36,129 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:19:36,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:19:36,129 INFO L85 PathProgramCache]: Analyzing trace with hash 575725041, now seen corresponding path program 1 times [2024-11-22 02:19:36,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:19:36,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565895541] [2024-11-22 02:19:36,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:19:36,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:19:36,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:19:36,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:19:36,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:19:36,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565895541] [2024-11-22 02:19:36,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565895541] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:19:36,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:19:36,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 02:19:36,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181820203] [2024-11-22 02:19:36,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:19:36,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 02:19:36,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:19:36,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 02:19:36,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:19:36,246 INFO L87 Difference]: Start difference. First operand 673 states and 1023 transitions. Second operand has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 02:19:36,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:19:36,662 INFO L93 Difference]: Finished difference Result 1863 states and 2867 transitions. [2024-11-22 02:19:36,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 02:19:36,663 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 111 [2024-11-22 02:19:36,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:19:36,670 INFO L225 Difference]: With dead ends: 1863 [2024-11-22 02:19:36,670 INFO L226 Difference]: Without dead ends: 1204 [2024-11-22 02:19:36,673 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-22 02:19:36,674 INFO L432 NwaCegarLoop]: 294 mSDtfsCounter, 661 mSDsluCounter, 996 mSDsCounter, 0 mSdLazyCounter, 559 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 675 SdHoareTripleChecker+Valid, 1290 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 02:19:36,674 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [675 Valid, 1290 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 559 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 02:19:36,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1204 states. [2024-11-22 02:19:36,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1204 to 1122. [2024-11-22 02:19:36,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1122 states, 1005 states have (on average 1.528358208955224) internal successors, (1536), 1012 states have internal predecessors, (1536), 80 states have call successors, (80), 30 states have call predecessors, (80), 36 states have return successors, (96), 83 states have call predecessors, (96), 80 states have call successors, (96) [2024-11-22 02:19:36,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 1122 states and 1712 transitions. [2024-11-22 02:19:36,727 INFO L78 Accepts]: Start accepts. Automaton has 1122 states and 1712 transitions. Word has length 111 [2024-11-22 02:19:36,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:19:36,727 INFO L471 AbstractCegarLoop]: Abstraction has 1122 states and 1712 transitions. [2024-11-22 02:19:36,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 02:19:36,728 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1712 transitions. [2024-11-22 02:19:36,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-22 02:19:36,729 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:19:36,729 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:19:36,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 02:19:36,730 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:19:36,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:19:36,730 INFO L85 PathProgramCache]: Analyzing trace with hash -307783949, now seen corresponding path program 1 times [2024-11-22 02:19:36,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:19:36,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631376039] [2024-11-22 02:19:36,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:19:36,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:19:36,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:19:36,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:19:36,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:19:36,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631376039] [2024-11-22 02:19:36,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631376039] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:19:36,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:19:36,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 02:19:36,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912484198] [2024-11-22 02:19:36,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:19:36,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 02:19:36,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:19:36,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 02:19:36,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:19:36,842 INFO L87 Difference]: Start difference. First operand 1122 states and 1712 transitions. Second operand has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 02:19:37,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:19:37,340 INFO L93 Difference]: Finished difference Result 3282 states and 5082 transitions. [2024-11-22 02:19:37,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 02:19:37,340 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 111 [2024-11-22 02:19:37,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:19:37,350 INFO L225 Difference]: With dead ends: 3282 [2024-11-22 02:19:37,351 INFO L226 Difference]: Without dead ends: 2174 [2024-11-22 02:19:37,354 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-22 02:19:37,357 INFO L432 NwaCegarLoop]: 451 mSDtfsCounter, 633 mSDsluCounter, 1364 mSDsCounter, 0 mSdLazyCounter, 686 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 647 SdHoareTripleChecker+Valid, 1815 SdHoareTripleChecker+Invalid, 712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 02:19:37,357 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [647 Valid, 1815 Invalid, 712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 686 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 02:19:37,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2174 states. [2024-11-22 02:19:37,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2174 to 2080. [2024-11-22 02:19:37,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2080 states, 1865 states have (on average 1.5388739946380696) internal successors, (2870), 1886 states have internal predecessors, (2870), 140 states have call successors, (140), 54 states have call predecessors, (140), 74 states have return successors, (204), 147 states have call predecessors, (204), 140 states have call successors, (204) [2024-11-22 02:19:37,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2080 states to 2080 states and 3214 transitions. [2024-11-22 02:19:37,440 INFO L78 Accepts]: Start accepts. Automaton has 2080 states and 3214 transitions. Word has length 111 [2024-11-22 02:19:37,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:19:37,441 INFO L471 AbstractCegarLoop]: Abstraction has 2080 states and 3214 transitions. [2024-11-22 02:19:37,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 02:19:37,441 INFO L276 IsEmpty]: Start isEmpty. Operand 2080 states and 3214 transitions. [2024-11-22 02:19:37,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-22 02:19:37,445 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:19:37,445 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:19:37,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 02:19:37,446 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:19:37,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:19:37,446 INFO L85 PathProgramCache]: Analyzing trace with hash 2046601333, now seen corresponding path program 1 times [2024-11-22 02:19:37,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:19:37,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402314038] [2024-11-22 02:19:37,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:19:37,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:19:37,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:19:37,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:19:37,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:19:37,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402314038] [2024-11-22 02:19:37,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402314038] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:19:37,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:19:37,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 02:19:37,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139352444] [2024-11-22 02:19:37,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:19:37,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 02:19:37,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:19:37,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 02:19:37,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:19:37,587 INFO L87 Difference]: Start difference. First operand 2080 states and 3214 transitions. Second operand has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 02:19:38,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:19:38,134 INFO L93 Difference]: Finished difference Result 6360 states and 10034 transitions. [2024-11-22 02:19:38,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 02:19:38,135 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 111 [2024-11-22 02:19:38,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:19:38,184 INFO L225 Difference]: With dead ends: 6360 [2024-11-22 02:19:38,185 INFO L226 Difference]: Without dead ends: 4294 [2024-11-22 02:19:38,189 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-22 02:19:38,191 INFO L432 NwaCegarLoop]: 448 mSDtfsCounter, 628 mSDsluCounter, 1355 mSDsCounter, 0 mSdLazyCounter, 686 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 642 SdHoareTripleChecker+Valid, 1803 SdHoareTripleChecker+Invalid, 712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 02:19:38,193 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [642 Valid, 1803 Invalid, 712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 686 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 02:19:38,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4294 states. [2024-11-22 02:19:38,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4294 to 4167. [2024-11-22 02:19:38,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4167 states, 3738 states have (on average 1.5575173889780631) internal successors, (5822), 3805 states have internal predecessors, (5822), 260 states have call successors, (260), 102 states have call predecessors, (260), 168 states have return successors, (516), 275 states have call predecessors, (516), 260 states have call successors, (516) [2024-11-22 02:19:38,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4167 states to 4167 states and 6598 transitions. [2024-11-22 02:19:38,334 INFO L78 Accepts]: Start accepts. Automaton has 4167 states and 6598 transitions. Word has length 111 [2024-11-22 02:19:38,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:19:38,334 INFO L471 AbstractCegarLoop]: Abstraction has 4167 states and 6598 transitions. [2024-11-22 02:19:38,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 02:19:38,335 INFO L276 IsEmpty]: Start isEmpty. Operand 4167 states and 6598 transitions. [2024-11-22 02:19:38,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-22 02:19:38,337 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:19:38,338 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:19:38,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 02:19:38,338 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:19:38,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:19:38,338 INFO L85 PathProgramCache]: Analyzing trace with hash -371302733, now seen corresponding path program 1 times [2024-11-22 02:19:38,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:19:38,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842409936] [2024-11-22 02:19:38,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:19:38,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:19:38,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:19:38,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:19:38,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:19:38,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842409936] [2024-11-22 02:19:38,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842409936] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:19:38,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:19:38,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 02:19:38,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741761567] [2024-11-22 02:19:38,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:19:38,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 02:19:38,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:19:38,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 02:19:38,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:19:38,440 INFO L87 Difference]: Start difference. First operand 4167 states and 6598 transitions. Second operand has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 02:19:39,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:19:39,089 INFO L93 Difference]: Finished difference Result 13141 states and 21440 transitions. [2024-11-22 02:19:39,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 02:19:39,090 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 111 [2024-11-22 02:19:39,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:19:39,128 INFO L225 Difference]: With dead ends: 13141 [2024-11-22 02:19:39,128 INFO L226 Difference]: Without dead ends: 8988 [2024-11-22 02:19:39,141 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-22 02:19:39,141 INFO L432 NwaCegarLoop]: 445 mSDtfsCounter, 623 mSDsluCounter, 1346 mSDsCounter, 0 mSdLazyCounter, 686 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 637 SdHoareTripleChecker+Valid, 1791 SdHoareTripleChecker+Invalid, 712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 02:19:39,142 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [637 Valid, 1791 Invalid, 712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 686 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 02:19:39,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8988 states. [2024-11-22 02:19:39,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8988 to 8800. [2024-11-22 02:19:39,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8800 states, 7889 states have (on average 1.5811889973380657) internal successors, (12474), 8102 states have internal predecessors, (12474), 500 states have call successors, (500), 198 states have call predecessors, (500), 410 states have return successors, (1524), 531 states have call predecessors, (1524), 500 states have call successors, (1524) [2024-11-22 02:19:39,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8800 states to 8800 states and 14498 transitions. [2024-11-22 02:19:39,510 INFO L78 Accepts]: Start accepts. Automaton has 8800 states and 14498 transitions. Word has length 111 [2024-11-22 02:19:39,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:19:39,510 INFO L471 AbstractCegarLoop]: Abstraction has 8800 states and 14498 transitions. [2024-11-22 02:19:39,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 02:19:39,511 INFO L276 IsEmpty]: Start isEmpty. Operand 8800 states and 14498 transitions. [2024-11-22 02:19:39,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-22 02:19:39,515 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:19:39,515 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:19:39,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 02:19:39,515 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:19:39,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:19:39,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1142036299, now seen corresponding path program 1 times [2024-11-22 02:19:39,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:19:39,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096966451] [2024-11-22 02:19:39,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:19:39,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:19:39,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:19:39,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:19:39,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:19:39,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096966451] [2024-11-22 02:19:39,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096966451] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:19:39,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:19:39,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 02:19:39,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265110190] [2024-11-22 02:19:39,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:19:39,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 02:19:39,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:19:39,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 02:19:39,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:19:39,638 INFO L87 Difference]: Start difference. First operand 8800 states and 14498 transitions. Second operand has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 02:19:40,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:19:40,533 INFO L93 Difference]: Finished difference Result 29868 states and 51095 transitions. [2024-11-22 02:19:40,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 02:19:40,534 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 111 [2024-11-22 02:19:40,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:19:40,633 INFO L225 Difference]: With dead ends: 29868 [2024-11-22 02:19:40,633 INFO L226 Difference]: Without dead ends: 21082 [2024-11-22 02:19:40,663 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-22 02:19:40,664 INFO L432 NwaCegarLoop]: 440 mSDtfsCounter, 812 mSDsluCounter, 1326 mSDsCounter, 0 mSdLazyCounter, 689 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 833 SdHoareTripleChecker+Valid, 1766 SdHoareTripleChecker+Invalid, 718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 02:19:40,665 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [833 Valid, 1766 Invalid, 718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 689 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 02:19:40,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21082 states. [2024-11-22 02:19:41,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21082 to 19185. [2024-11-22 02:19:41,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19185 states, 17180 states have (on average 1.6089639115250292) internal successors, (27642), 17847 states have internal predecessors, (27642), 948 states have call successors, (948), 390 states have call predecessors, (948), 1056 states have return successors, (5044), 1011 states have call predecessors, (5044), 948 states have call successors, (5044) [2024-11-22 02:19:41,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19185 states to 19185 states and 33634 transitions. [2024-11-22 02:19:41,624 INFO L78 Accepts]: Start accepts. Automaton has 19185 states and 33634 transitions. Word has length 111 [2024-11-22 02:19:41,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:19:41,625 INFO L471 AbstractCegarLoop]: Abstraction has 19185 states and 33634 transitions. [2024-11-22 02:19:41,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 02:19:41,626 INFO L276 IsEmpty]: Start isEmpty. Operand 19185 states and 33634 transitions. [2024-11-22 02:19:41,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-22 02:19:41,636 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:19:41,636 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:19:41,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 02:19:41,637 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:19:41,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:19:41,637 INFO L85 PathProgramCache]: Analyzing trace with hash -2136729997, now seen corresponding path program 1 times [2024-11-22 02:19:41,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:19:41,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039178496] [2024-11-22 02:19:41,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:19:41,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:19:41,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:19:41,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:19:41,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:19:41,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039178496] [2024-11-22 02:19:41,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039178496] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:19:41,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:19:41,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 02:19:41,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636981026] [2024-11-22 02:19:41,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:19:41,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 02:19:41,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:19:41,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 02:19:41,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:19:41,749 INFO L87 Difference]: Start difference. First operand 19185 states and 33634 transitions. Second operand has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 02:19:43,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:19:43,458 INFO L93 Difference]: Finished difference Result 65363 states and 121389 transitions. [2024-11-22 02:19:43,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 02:19:43,458 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 111 [2024-11-22 02:19:43,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:19:43,677 INFO L225 Difference]: With dead ends: 65363 [2024-11-22 02:19:43,678 INFO L226 Difference]: Without dead ends: 46192 [2024-11-22 02:19:43,750 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-22 02:19:43,751 INFO L432 NwaCegarLoop]: 436 mSDtfsCounter, 665 mSDsluCounter, 1314 mSDsCounter, 0 mSdLazyCounter, 835 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 678 SdHoareTripleChecker+Valid, 1750 SdHoareTripleChecker+Invalid, 863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 02:19:43,751 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [678 Valid, 1750 Invalid, 863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 835 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 02:19:43,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46192 states. [2024-11-22 02:19:45,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46192 to 42698. [2024-11-22 02:19:46,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42698 states, 38051 states have (on average 1.635436650810754) internal successors, (62230), 40112 states have internal predecessors, (62230), 1812 states have call successors, (1812), 774 states have call predecessors, (1812), 2834 states have return successors, (18196), 1939 states have call predecessors, (18196), 1812 states have call successors, (18196) [2024-11-22 02:19:46,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42698 states to 42698 states and 82238 transitions. [2024-11-22 02:19:46,351 INFO L78 Accepts]: Start accepts. Automaton has 42698 states and 82238 transitions. Word has length 111 [2024-11-22 02:19:46,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:19:46,351 INFO L471 AbstractCegarLoop]: Abstraction has 42698 states and 82238 transitions. [2024-11-22 02:19:46,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 02:19:46,351 INFO L276 IsEmpty]: Start isEmpty. Operand 42698 states and 82238 transitions. [2024-11-22 02:19:46,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-22 02:19:46,371 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:19:46,371 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:19:46,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 02:19:46,372 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:19:46,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:19:46,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1571961077, now seen corresponding path program 1 times [2024-11-22 02:19:46,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:19:46,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466592706] [2024-11-22 02:19:46,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:19:46,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:19:46,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:19:46,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:19:46,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:19:46,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466592706] [2024-11-22 02:19:46,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466592706] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:19:46,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:19:46,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 02:19:46,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313514914] [2024-11-22 02:19:46,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:19:46,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 02:19:46,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:19:46,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 02:19:46,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:19:46,472 INFO L87 Difference]: Start difference. First operand 42698 states and 82238 transitions. Second operand has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 02:19:50,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:19:50,370 INFO L93 Difference]: Finished difference Result 145966 states and 306603 transitions. [2024-11-22 02:19:50,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 02:19:50,371 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 111 [2024-11-22 02:19:50,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:19:50,999 INFO L225 Difference]: With dead ends: 145966 [2024-11-22 02:19:50,999 INFO L226 Difference]: Without dead ends: 103282 [2024-11-22 02:19:51,143 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-22 02:19:51,144 INFO L432 NwaCegarLoop]: 434 mSDtfsCounter, 742 mSDsluCounter, 1308 mSDsCounter, 0 mSdLazyCounter, 689 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 763 SdHoareTripleChecker+Valid, 1742 SdHoareTripleChecker+Invalid, 718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 02:19:51,144 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [763 Valid, 1742 Invalid, 718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 689 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 02:19:51,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103282 states. [2024-11-22 02:19:56,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103282 to 97871. [2024-11-22 02:19:56,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97871 states, 86546 states have (on average 1.656806784831188) internal successors, (143390), 92853 states have internal predecessors, (143390), 3476 states have call successors, (3476), 1542 states have call predecessors, (3476), 7848 states have return successors, (69012), 3731 states have call predecessors, (69012), 3476 states have call successors, (69012) [2024-11-22 02:19:57,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97871 states to 97871 states and 215878 transitions. [2024-11-22 02:19:57,210 INFO L78 Accepts]: Start accepts. Automaton has 97871 states and 215878 transitions. Word has length 111 [2024-11-22 02:19:57,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:19:57,210 INFO L471 AbstractCegarLoop]: Abstraction has 97871 states and 215878 transitions. [2024-11-22 02:19:57,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 02:19:57,211 INFO L276 IsEmpty]: Start isEmpty. Operand 97871 states and 215878 transitions. [2024-11-22 02:19:57,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-22 02:19:57,253 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:19:57,253 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:19:57,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-22 02:19:57,254 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:19:57,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:19:57,255 INFO L85 PathProgramCache]: Analyzing trace with hash -386613709, now seen corresponding path program 1 times [2024-11-22 02:19:57,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:19:57,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983860933] [2024-11-22 02:19:57,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:19:57,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:19:57,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:19:57,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:19:57,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:19:57,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983860933] [2024-11-22 02:19:57,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983860933] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:19:57,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:19:57,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 02:19:57,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591502522] [2024-11-22 02:19:57,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:19:57,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 02:19:57,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:19:57,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 02:19:57,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:19:57,352 INFO L87 Difference]: Start difference. First operand 97871 states and 215878 transitions. Second operand has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 02:20:06,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:20:06,818 INFO L93 Difference]: Finished difference Result 334109 states and 836673 transitions. [2024-11-22 02:20:06,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 02:20:06,819 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 111 [2024-11-22 02:20:06,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:20:08,781 INFO L225 Difference]: With dead ends: 334109 [2024-11-22 02:20:08,782 INFO L226 Difference]: Without dead ends: 236252 [2024-11-22 02:20:09,091 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-22 02:20:09,092 INFO L432 NwaCegarLoop]: 279 mSDtfsCounter, 742 mSDsluCounter, 942 mSDsCounter, 0 mSdLazyCounter, 564 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 763 SdHoareTripleChecker+Valid, 1221 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 02:20:09,092 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [763 Valid, 1221 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 564 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 02:20:09,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236252 states.