./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vending.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vending.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-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 64bit --witnessprinter.graph.data.programhash 6b894aafaf217d6baa0c5f761ec3f51539bf2a720cb529b8ece9095e2a660f16 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 04:11:08,039 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 04:11:08,095 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-24 04:11:08,099 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 04:11:08,100 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 04:11:08,116 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 04:11:08,116 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 04:11:08,117 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 04:11:08,117 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 04:11:08,117 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 04:11:08,118 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 04:11:08,118 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 04:11:08,118 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 04:11:08,119 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 04:11:08,119 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 04:11:08,119 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 04:11:08,119 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 04:11:08,120 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 04:11:08,120 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 04:11:08,120 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 04:11:08,120 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 04:11:08,121 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 04:11:08,121 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 04:11:08,121 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 04:11:08,121 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 04:11:08,122 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 04:11:08,122 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 04:11:08,122 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 04:11:08,122 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 04:11:08,123 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 04:11:08,123 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 04:11:08,123 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 04:11:08,123 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 04:11:08,123 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 04:11:08,123 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 04:11:08,123 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 04:11:08,124 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 04:11:08,124 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 04:11:08,124 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 04:11:08,124 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b894aafaf217d6baa0c5f761ec3f51539bf2a720cb529b8ece9095e2a660f16 [2024-10-24 04:11:08,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 04:11:08,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 04:11:08,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 04:11:08,364 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 04:11:08,364 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 04:11:08,365 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vending.c [2024-10-24 04:11:09,712 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 04:11:09,932 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 04:11:09,933 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vending.c [2024-10-24 04:11:09,951 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cdf07889/32a3d30d74994aa0a6659779130bc064/FLAG9a0996eb6 [2024-10-24 04:11:09,968 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cdf07889/32a3d30d74994aa0a6659779130bc064 [2024-10-24 04:11:09,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 04:11:09,973 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 04:11:09,976 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 04:11:09,976 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 04:11:09,981 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 04:11:09,982 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:11:09" (1/1) ... [2024-10-24 04:11:09,984 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34285a19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:11:09, skipping insertion in model container [2024-10-24 04:11:09,985 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:11:09" (1/1) ... [2024-10-24 04:11:10,033 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 04:11:10,260 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vending.c[1249,1262] [2024-10-24 04:11:10,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 04:11:10,523 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 04:11:10,532 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vending.c[1249,1262] [2024-10-24 04:11:10,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 04:11:10,627 INFO L204 MainTranslator]: Completed translation [2024-10-24 04:11:10,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:11:10 WrapperNode [2024-10-24 04:11:10,628 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 04:11:10,628 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 04:11:10,629 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 04:11:10,629 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 04:11:10,635 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:11:10" (1/1) ... [2024-10-24 04:11:10,666 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:11:10" (1/1) ... [2024-10-24 04:11:10,913 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2218 [2024-10-24 04:11:10,913 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 04:11:10,914 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 04:11:10,914 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 04:11:10,914 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 04:11:10,925 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:11:10" (1/1) ... [2024-10-24 04:11:10,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:11:10" (1/1) ... [2024-10-24 04:11:10,958 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:11:10" (1/1) ... [2024-10-24 04:11:11,017 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 04:11:11,018 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:11:10" (1/1) ... [2024-10-24 04:11:11,018 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:11:10" (1/1) ... [2024-10-24 04:11:11,062 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:11:10" (1/1) ... [2024-10-24 04:11:11,078 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:11:10" (1/1) ... [2024-10-24 04:11:11,092 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:11:10" (1/1) ... [2024-10-24 04:11:11,109 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:11:10" (1/1) ... [2024-10-24 04:11:11,133 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 04:11:11,134 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 04:11:11,135 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 04:11:11,135 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 04:11:11,135 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:11:10" (1/1) ... [2024-10-24 04:11:11,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 04:11:11,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 04:11:11,163 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 04:11:11,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 04:11:11,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 04:11:11,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 04:11:11,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 04:11:11,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 04:11:11,449 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 04:11:11,451 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 04:11:12,928 INFO L? ?]: Removed 1503 outVars from TransFormulas that were not future-live. [2024-10-24 04:11:12,928 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 04:11:12,998 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 04:11:12,998 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 04:11:13,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:11:13 BoogieIcfgContainer [2024-10-24 04:11:13,000 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 04:11:13,001 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 04:11:13,002 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 04:11:13,006 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 04:11:13,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 04:11:09" (1/3) ... [2024-10-24 04:11:13,007 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29c28d75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:11:13, skipping insertion in model container [2024-10-24 04:11:13,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:11:10" (2/3) ... [2024-10-24 04:11:13,008 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29c28d75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:11:13, skipping insertion in model container [2024-10-24 04:11:13,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:11:13" (3/3) ... [2024-10-24 04:11:13,009 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_Vending.c [2024-10-24 04:11:13,024 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 04:11:13,024 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 04:11:13,091 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 04:11:13,098 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;@2b15cd31, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 04:11:13,098 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 04:11:13,103 INFO L276 IsEmpty]: Start isEmpty. Operand has 323 states, 321 states have (on average 1.5015576323987538) internal successors, (482), 322 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:13,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-24 04:11:13,117 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:11:13,118 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 04:11:13,119 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:11:13,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:11:13,125 INFO L85 PathProgramCache]: Analyzing trace with hash -410351444, now seen corresponding path program 1 times [2024-10-24 04:11:13,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:11:13,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510293150] [2024-10-24 04:11:13,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:11:13,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:11:13,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:11:13,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:11:13,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:11:13,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510293150] [2024-10-24 04:11:13,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510293150] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:11:13,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:11:13,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 04:11:13,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172279468] [2024-10-24 04:11:13,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:11:13,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 04:11:13,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:11:14,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 04:11:14,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 04:11:14,021 INFO L87 Difference]: Start difference. First operand has 323 states, 321 states have (on average 1.5015576323987538) internal successors, (482), 322 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:14,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:11:14,104 INFO L93 Difference]: Finished difference Result 614 states and 918 transitions. [2024-10-24 04:11:14,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 04:11:14,114 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-10-24 04:11:14,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:11:14,126 INFO L225 Difference]: With dead ends: 614 [2024-10-24 04:11:14,127 INFO L226 Difference]: Without dead ends: 324 [2024-10-24 04:11:14,133 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 04:11:14,136 INFO L432 NwaCegarLoop]: 477 mSDtfsCounter, 0 mSDsluCounter, 949 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1426 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 04:11:14,137 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1426 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 04:11:14,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-10-24 04:11:14,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 324. [2024-10-24 04:11:14,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 323 states have (on average 1.4922600619195046) internal successors, (482), 323 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:14,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 482 transitions. [2024-10-24 04:11:14,188 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 482 transitions. Word has length 98 [2024-10-24 04:11:14,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:11:14,189 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 482 transitions. [2024-10-24 04:11:14,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:14,189 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 482 transitions. [2024-10-24 04:11:14,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-24 04:11:14,192 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:11:14,192 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 04:11:14,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 04:11:14,194 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:11:14,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:11:14,195 INFO L85 PathProgramCache]: Analyzing trace with hash 165702888, now seen corresponding path program 1 times [2024-10-24 04:11:14,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:11:14,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745453824] [2024-10-24 04:11:14,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:11:14,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:11:14,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:11:14,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:11:14,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:11:14,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745453824] [2024-10-24 04:11:14,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745453824] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:11:14,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:11:14,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 04:11:14,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751652280] [2024-10-24 04:11:14,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:11:14,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 04:11:14,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:11:14,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 04:11:14,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 04:11:14,554 INFO L87 Difference]: Start difference. First operand 324 states and 482 transitions. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:14,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:11:14,593 INFO L93 Difference]: Finished difference Result 617 states and 918 transitions. [2024-10-24 04:11:14,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 04:11:14,594 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2024-10-24 04:11:14,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:11:14,596 INFO L225 Difference]: With dead ends: 617 [2024-10-24 04:11:14,597 INFO L226 Difference]: Without dead ends: 326 [2024-10-24 04:11:14,599 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 04:11:14,600 INFO L432 NwaCegarLoop]: 477 mSDtfsCounter, 0 mSDsluCounter, 946 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1423 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 04:11:14,600 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1423 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 04:11:14,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2024-10-24 04:11:14,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 326. [2024-10-24 04:11:14,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 325 states have (on average 1.4892307692307691) internal successors, (484), 325 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:14,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 484 transitions. [2024-10-24 04:11:14,612 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 484 transitions. Word has length 99 [2024-10-24 04:11:14,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:11:14,612 INFO L471 AbstractCegarLoop]: Abstraction has 326 states and 484 transitions. [2024-10-24 04:11:14,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:14,613 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 484 transitions. [2024-10-24 04:11:14,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-24 04:11:14,615 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:11:14,616 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 04:11:14,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 04:11:14,616 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:11:14,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:11:14,617 INFO L85 PathProgramCache]: Analyzing trace with hash -256143099, now seen corresponding path program 1 times [2024-10-24 04:11:14,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:11:14,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723618694] [2024-10-24 04:11:14,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:11:14,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:11:14,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:11:15,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:11:15,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:11:15,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723618694] [2024-10-24 04:11:15,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723618694] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:11:15,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:11:15,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 04:11:15,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732364051] [2024-10-24 04:11:15,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:11:15,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 04:11:15,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:11:15,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 04:11:15,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-24 04:11:15,550 INFO L87 Difference]: Start difference. First operand 326 states and 484 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:15,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:11:15,939 INFO L93 Difference]: Finished difference Result 911 states and 1353 transitions. [2024-10-24 04:11:15,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 04:11:15,944 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2024-10-24 04:11:15,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:11:15,946 INFO L225 Difference]: With dead ends: 911 [2024-10-24 04:11:15,946 INFO L226 Difference]: Without dead ends: 618 [2024-10-24 04:11:15,949 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-10-24 04:11:15,950 INFO L432 NwaCegarLoop]: 449 mSDtfsCounter, 1274 mSDsluCounter, 1789 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1274 SdHoareTripleChecker+Valid, 2238 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 04:11:15,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1274 Valid, 2238 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 04:11:15,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2024-10-24 04:11:15,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 443. [2024-10-24 04:11:15,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 442 states have (on average 1.48868778280543) internal successors, (658), 442 states have internal predecessors, (658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:15,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 658 transitions. [2024-10-24 04:11:15,981 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 658 transitions. Word has length 100 [2024-10-24 04:11:15,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:11:15,982 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 658 transitions. [2024-10-24 04:11:15,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:15,982 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 658 transitions. [2024-10-24 04:11:15,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-10-24 04:11:15,983 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:11:15,984 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] [2024-10-24 04:11:15,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 04:11:15,984 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:11:15,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:11:15,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1471024192, now seen corresponding path program 1 times [2024-10-24 04:11:15,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:11:15,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42629091] [2024-10-24 04:11:15,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:11:15,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:11:16,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:11:16,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:11:16,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:11:16,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42629091] [2024-10-24 04:11:16,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42629091] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:11:16,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:11:16,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 04:11:16,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552441218] [2024-10-24 04:11:16,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:11:16,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 04:11:16,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:11:16,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 04:11:16,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 04:11:16,376 INFO L87 Difference]: Start difference. First operand 443 states and 658 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:16,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:11:16,425 INFO L93 Difference]: Finished difference Result 740 states and 1099 transitions. [2024-10-24 04:11:16,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 04:11:16,426 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2024-10-24 04:11:16,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:11:16,428 INFO L225 Difference]: With dead ends: 740 [2024-10-24 04:11:16,428 INFO L226 Difference]: Without dead ends: 447 [2024-10-24 04:11:16,428 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-24 04:11:16,432 INFO L432 NwaCegarLoop]: 473 mSDtfsCounter, 393 mSDsluCounter, 940 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 393 SdHoareTripleChecker+Valid, 1413 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 04:11:16,432 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [393 Valid, 1413 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 04:11:16,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2024-10-24 04:11:16,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 446. [2024-10-24 04:11:16,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 445 states have (on average 1.4853932584269662) internal successors, (661), 445 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:16,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 661 transitions. [2024-10-24 04:11:16,450 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 661 transitions. Word has length 101 [2024-10-24 04:11:16,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:11:16,450 INFO L471 AbstractCegarLoop]: Abstraction has 446 states and 661 transitions. [2024-10-24 04:11:16,452 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:16,452 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 661 transitions. [2024-10-24 04:11:16,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-10-24 04:11:16,453 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:11:16,453 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] [2024-10-24 04:11:16,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 04:11:16,454 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:11:16,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:11:16,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1087531280, now seen corresponding path program 1 times [2024-10-24 04:11:16,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:11:16,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257267243] [2024-10-24 04:11:16,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:11:16,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:11:16,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:11:17,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:11:17,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:11:17,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257267243] [2024-10-24 04:11:17,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257267243] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:11:17,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:11:17,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 04:11:17,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947584992] [2024-10-24 04:11:17,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:11:17,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 04:11:17,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:11:17,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 04:11:17,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 04:11:17,050 INFO L87 Difference]: Start difference. First operand 446 states and 661 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:17,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:11:17,106 INFO L93 Difference]: Finished difference Result 745 states and 1104 transitions. [2024-10-24 04:11:17,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 04:11:17,106 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2024-10-24 04:11:17,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:11:17,109 INFO L225 Difference]: With dead ends: 745 [2024-10-24 04:11:17,110 INFO L226 Difference]: Without dead ends: 449 [2024-10-24 04:11:17,110 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 04:11:17,111 INFO L432 NwaCegarLoop]: 476 mSDtfsCounter, 17 mSDsluCounter, 1394 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 1870 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 04:11:17,111 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 1870 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 04:11:17,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2024-10-24 04:11:17,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 449. [2024-10-24 04:11:17,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 448 states have (on average 1.4821428571428572) internal successors, (664), 448 states have internal predecessors, (664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:17,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 664 transitions. [2024-10-24 04:11:17,124 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 664 transitions. Word has length 102 [2024-10-24 04:11:17,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:11:17,125 INFO L471 AbstractCegarLoop]: Abstraction has 449 states and 664 transitions. [2024-10-24 04:11:17,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:17,126 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 664 transitions. [2024-10-24 04:11:17,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-24 04:11:17,127 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:11:17,127 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] [2024-10-24 04:11:17,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 04:11:17,129 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:11:17,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:11:17,129 INFO L85 PathProgramCache]: Analyzing trace with hash -729417323, now seen corresponding path program 1 times [2024-10-24 04:11:17,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:11:17,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36257045] [2024-10-24 04:11:17,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:11:17,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:11:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:11:18,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:11:18,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:11:18,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36257045] [2024-10-24 04:11:18,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36257045] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:11:18,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:11:18,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 04:11:18,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3897823] [2024-10-24 04:11:18,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:11:18,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 04:11:18,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:11:18,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 04:11:18,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-10-24 04:11:18,588 INFO L87 Difference]: Start difference. First operand 449 states and 664 transitions. Second operand has 10 states, 10 states have (on average 10.3) internal successors, (103), 9 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:18,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:11:18,830 INFO L93 Difference]: Finished difference Result 825 states and 1219 transitions. [2024-10-24 04:11:18,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 04:11:18,831 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.3) internal successors, (103), 9 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2024-10-24 04:11:18,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:11:18,832 INFO L225 Difference]: With dead ends: 825 [2024-10-24 04:11:18,833 INFO L226 Difference]: Without dead ends: 481 [2024-10-24 04:11:18,833 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2024-10-24 04:11:18,834 INFO L432 NwaCegarLoop]: 451 mSDtfsCounter, 465 mSDsluCounter, 3146 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 465 SdHoareTripleChecker+Valid, 3597 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 04:11:18,834 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [465 Valid, 3597 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 04:11:18,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2024-10-24 04:11:18,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 471. [2024-10-24 04:11:18,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 470 states have (on average 1.476595744680851) internal successors, (694), 470 states have internal predecessors, (694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:18,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 694 transitions. [2024-10-24 04:11:18,841 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 694 transitions. Word has length 103 [2024-10-24 04:11:18,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:11:18,841 INFO L471 AbstractCegarLoop]: Abstraction has 471 states and 694 transitions. [2024-10-24 04:11:18,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.3) internal successors, (103), 9 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:18,842 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 694 transitions. [2024-10-24 04:11:18,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-24 04:11:18,842 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:11:18,843 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] [2024-10-24 04:11:18,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 04:11:18,843 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:11:18,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:11:18,843 INFO L85 PathProgramCache]: Analyzing trace with hash 213435981, now seen corresponding path program 1 times [2024-10-24 04:11:18,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:11:18,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980052838] [2024-10-24 04:11:18,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:11:18,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:11:18,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:11:19,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:11:19,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:11:19,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980052838] [2024-10-24 04:11:19,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980052838] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:11:19,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:11:19,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 04:11:19,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291554036] [2024-10-24 04:11:19,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:11:19,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 04:11:19,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:11:19,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 04:11:19,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-10-24 04:11:19,703 INFO L87 Difference]: Start difference. First operand 471 states and 694 transitions. Second operand has 11 states, 11 states have (on average 9.454545454545455) internal successors, (104), 10 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:19,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:11:19,971 INFO L93 Difference]: Finished difference Result 1120 states and 1645 transitions. [2024-10-24 04:11:19,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 04:11:19,972 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.454545454545455) internal successors, (104), 10 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2024-10-24 04:11:19,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:11:19,975 INFO L225 Difference]: With dead ends: 1120 [2024-10-24 04:11:19,975 INFO L226 Difference]: Without dead ends: 781 [2024-10-24 04:11:19,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-10-24 04:11:19,976 INFO L432 NwaCegarLoop]: 456 mSDtfsCounter, 1027 mSDsluCounter, 3628 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1027 SdHoareTripleChecker+Valid, 4084 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 04:11:19,978 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1027 Valid, 4084 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 04:11:19,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2024-10-24 04:11:19,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 549. [2024-10-24 04:11:19,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 548 states have (on average 1.4744525547445255) internal successors, (808), 548 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:19,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 808 transitions. [2024-10-24 04:11:19,991 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 808 transitions. Word has length 104 [2024-10-24 04:11:19,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:11:19,991 INFO L471 AbstractCegarLoop]: Abstraction has 549 states and 808 transitions. [2024-10-24 04:11:19,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.454545454545455) internal successors, (104), 10 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:19,992 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 808 transitions. [2024-10-24 04:11:19,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-24 04:11:19,993 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:11:19,993 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] [2024-10-24 04:11:19,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 04:11:19,994 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:11:19,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:11:19,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1680796993, now seen corresponding path program 1 times [2024-10-24 04:11:19,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:11:19,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424557872] [2024-10-24 04:11:19,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:11:19,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:11:20,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:11:20,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:11:20,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:11:20,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424557872] [2024-10-24 04:11:20,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424557872] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:11:20,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:11:20,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 04:11:20,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79452785] [2024-10-24 04:11:20,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:11:20,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 04:11:20,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:11:20,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 04:11:20,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 04:11:20,574 INFO L87 Difference]: Start difference. First operand 549 states and 808 transitions. Second operand has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 7 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:20,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:11:20,654 INFO L93 Difference]: Finished difference Result 985 states and 1451 transitions. [2024-10-24 04:11:20,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 04:11:20,655 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 7 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2024-10-24 04:11:20,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:11:20,657 INFO L225 Difference]: With dead ends: 985 [2024-10-24 04:11:20,657 INFO L226 Difference]: Without dead ends: 579 [2024-10-24 04:11:20,658 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 04:11:20,659 INFO L432 NwaCegarLoop]: 477 mSDtfsCounter, 5 mSDsluCounter, 2357 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 2834 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 04:11:20,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 2834 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 04:11:20,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2024-10-24 04:11:20,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 549. [2024-10-24 04:11:20,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 548 states have (on average 1.4744525547445255) internal successors, (808), 548 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:20,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 808 transitions. [2024-10-24 04:11:20,669 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 808 transitions. Word has length 104 [2024-10-24 04:11:20,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:11:20,669 INFO L471 AbstractCegarLoop]: Abstraction has 549 states and 808 transitions. [2024-10-24 04:11:20,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 7 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:20,669 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 808 transitions. [2024-10-24 04:11:20,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-24 04:11:20,670 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:11:20,670 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] [2024-10-24 04:11:20,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 04:11:20,671 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:11:20,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:11:20,671 INFO L85 PathProgramCache]: Analyzing trace with hash 338286129, now seen corresponding path program 1 times [2024-10-24 04:11:20,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:11:20,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525798317] [2024-10-24 04:11:20,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:11:20,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:11:20,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:11:20,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:11:20,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:11:20,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525798317] [2024-10-24 04:11:20,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525798317] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:11:20,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:11:20,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 04:11:20,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577779985] [2024-10-24 04:11:20,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:11:20,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 04:11:20,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:11:20,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 04:11:20,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 04:11:20,993 INFO L87 Difference]: Start difference. First operand 549 states and 808 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:21,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:11:21,163 INFO L93 Difference]: Finished difference Result 969 states and 1424 transitions. [2024-10-24 04:11:21,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 04:11:21,164 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2024-10-24 04:11:21,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:11:21,166 INFO L225 Difference]: With dead ends: 969 [2024-10-24 04:11:21,166 INFO L226 Difference]: Without dead ends: 549 [2024-10-24 04:11:21,167 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 04:11:21,167 INFO L432 NwaCegarLoop]: 398 mSDtfsCounter, 438 mSDsluCounter, 790 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 1188 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 04:11:21,167 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [438 Valid, 1188 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 04:11:21,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2024-10-24 04:11:21,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 549. [2024-10-24 04:11:21,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 548 states have (on average 1.4708029197080292) internal successors, (806), 548 states have internal predecessors, (806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:21,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 806 transitions. [2024-10-24 04:11:21,178 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 806 transitions. Word has length 104 [2024-10-24 04:11:21,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:11:21,178 INFO L471 AbstractCegarLoop]: Abstraction has 549 states and 806 transitions. [2024-10-24 04:11:21,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:21,178 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 806 transitions. [2024-10-24 04:11:21,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-10-24 04:11:21,179 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:11:21,180 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] [2024-10-24 04:11:21,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 04:11:21,180 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:11:21,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:11:21,180 INFO L85 PathProgramCache]: Analyzing trace with hash 615306488, now seen corresponding path program 1 times [2024-10-24 04:11:21,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:11:21,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164928082] [2024-10-24 04:11:21,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:11:21,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:11:21,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:11:22,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:11:22,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:11:22,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164928082] [2024-10-24 04:11:22,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164928082] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:11:22,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:11:22,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 04:11:22,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666675848] [2024-10-24 04:11:22,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:11:22,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 04:11:22,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:11:22,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 04:11:22,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-10-24 04:11:22,332 INFO L87 Difference]: Start difference. First operand 549 states and 806 transitions. Second operand has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 8 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:22,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:11:22,575 INFO L93 Difference]: Finished difference Result 1136 states and 1656 transitions. [2024-10-24 04:11:22,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 04:11:22,576 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 8 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2024-10-24 04:11:22,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:11:22,578 INFO L225 Difference]: With dead ends: 1136 [2024-10-24 04:11:22,578 INFO L226 Difference]: Without dead ends: 752 [2024-10-24 04:11:22,579 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-10-24 04:11:22,579 INFO L432 NwaCegarLoop]: 589 mSDtfsCounter, 1157 mSDsluCounter, 3272 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1157 SdHoareTripleChecker+Valid, 3861 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 04:11:22,580 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1157 Valid, 3861 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 04:11:22,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2024-10-24 04:11:22,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 557. [2024-10-24 04:11:22,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 557 states, 556 states have (on average 1.4676258992805755) internal successors, (816), 556 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:22,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 816 transitions. [2024-10-24 04:11:22,590 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 816 transitions. Word has length 105 [2024-10-24 04:11:22,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:11:22,590 INFO L471 AbstractCegarLoop]: Abstraction has 557 states and 816 transitions. [2024-10-24 04:11:22,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 8 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:22,590 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 816 transitions. [2024-10-24 04:11:22,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-10-24 04:11:22,591 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:11:22,591 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] [2024-10-24 04:11:22,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 04:11:22,591 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:11:22,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:11:22,592 INFO L85 PathProgramCache]: Analyzing trace with hash 70930936, now seen corresponding path program 1 times [2024-10-24 04:11:22,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:11:22,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073229185] [2024-10-24 04:11:22,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:11:22,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:11:22,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:11:23,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:11:23,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:11:23,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073229185] [2024-10-24 04:11:23,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073229185] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:11:23,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:11:23,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 04:11:23,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075847615] [2024-10-24 04:11:23,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:11:23,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 04:11:23,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:11:23,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 04:11:23,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 04:11:23,251 INFO L87 Difference]: Start difference. First operand 557 states and 816 transitions. Second operand has 8 states, 8 states have (on average 13.125) internal successors, (105), 8 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:23,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:11:23,334 INFO L93 Difference]: Finished difference Result 959 states and 1406 transitions. [2024-10-24 04:11:23,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 04:11:23,335 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.125) internal successors, (105), 8 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2024-10-24 04:11:23,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:11:23,337 INFO L225 Difference]: With dead ends: 959 [2024-10-24 04:11:23,337 INFO L226 Difference]: Without dead ends: 581 [2024-10-24 04:11:23,337 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 04:11:23,338 INFO L432 NwaCegarLoop]: 465 mSDtfsCounter, 9 mSDsluCounter, 2780 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 3245 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 04:11:23,338 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 3245 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 04:11:23,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2024-10-24 04:11:23,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 533. [2024-10-24 04:11:23,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 532 states have (on average 1.4699248120300752) internal successors, (782), 532 states have internal predecessors, (782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:23,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 782 transitions. [2024-10-24 04:11:23,348 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 782 transitions. Word has length 105 [2024-10-24 04:11:23,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:11:23,348 INFO L471 AbstractCegarLoop]: Abstraction has 533 states and 782 transitions. [2024-10-24 04:11:23,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.125) internal successors, (105), 8 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:23,348 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 782 transitions. [2024-10-24 04:11:23,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-10-24 04:11:23,349 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:11:23,349 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] [2024-10-24 04:11:23,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 04:11:23,349 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:11:23,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:11:23,350 INFO L85 PathProgramCache]: Analyzing trace with hash 195781084, now seen corresponding path program 1 times [2024-10-24 04:11:23,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:11:23,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458570494] [2024-10-24 04:11:23,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:11:23,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:11:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:11:23,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:11:23,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:11:23,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458570494] [2024-10-24 04:11:23,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458570494] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:11:23,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:11:23,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 04:11:23,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873738701] [2024-10-24 04:11:23,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:11:23,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 04:11:23,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:11:23,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 04:11:23,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 04:11:23,808 INFO L87 Difference]: Start difference. First operand 533 states and 782 transitions. Second operand has 6 states, 6 states have (on average 17.5) internal successors, (105), 5 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:24,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:11:24,295 INFO L93 Difference]: Finished difference Result 1159 states and 1698 transitions. [2024-10-24 04:11:24,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 04:11:24,296 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.5) internal successors, (105), 5 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2024-10-24 04:11:24,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:11:24,300 INFO L225 Difference]: With dead ends: 1159 [2024-10-24 04:11:24,300 INFO L226 Difference]: Without dead ends: 837 [2024-10-24 04:11:24,301 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-10-24 04:11:24,302 INFO L432 NwaCegarLoop]: 542 mSDtfsCounter, 752 mSDsluCounter, 1444 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 752 SdHoareTripleChecker+Valid, 1986 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 04:11:24,302 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [752 Valid, 1986 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 588 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 04:11:24,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2024-10-24 04:11:24,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 708. [2024-10-24 04:11:24,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 708 states, 707 states have (on average 1.4681753889674682) internal successors, (1038), 707 states have internal predecessors, (1038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:24,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 708 states and 1038 transitions. [2024-10-24 04:11:24,324 INFO L78 Accepts]: Start accepts. Automaton has 708 states and 1038 transitions. Word has length 105 [2024-10-24 04:11:24,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:11:24,324 INFO L471 AbstractCegarLoop]: Abstraction has 708 states and 1038 transitions. [2024-10-24 04:11:24,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.5) internal successors, (105), 5 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:24,324 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 1038 transitions. [2024-10-24 04:11:24,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-10-24 04:11:24,326 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:11:24,326 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 04:11:24,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 04:11:24,326 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:11:24,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:11:24,327 INFO L85 PathProgramCache]: Analyzing trace with hash -999751208, now seen corresponding path program 1 times [2024-10-24 04:11:24,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:11:24,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912892248] [2024-10-24 04:11:24,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:11:24,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:11:24,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:11:24,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:11:24,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:11:24,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912892248] [2024-10-24 04:11:24,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912892248] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:11:24,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:11:24,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 04:11:24,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275796396] [2024-10-24 04:11:24,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:11:24,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 04:11:24,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:11:24,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 04:11:24,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 04:11:24,736 INFO L87 Difference]: Start difference. First operand 708 states and 1038 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:24,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:11:24,788 INFO L93 Difference]: Finished difference Result 1240 states and 1819 transitions. [2024-10-24 04:11:24,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 04:11:24,789 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2024-10-24 04:11:24,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:11:24,792 INFO L225 Difference]: With dead ends: 1240 [2024-10-24 04:11:24,792 INFO L226 Difference]: Without dead ends: 736 [2024-10-24 04:11:24,793 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 04:11:24,793 INFO L432 NwaCegarLoop]: 469 mSDtfsCounter, 3 mSDsluCounter, 1403 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1872 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 04:11:24,794 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1872 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 04:11:24,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2024-10-24 04:11:24,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 724. [2024-10-24 04:11:24,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 724 states, 723 states have (on average 1.4550484094052558) internal successors, (1052), 723 states have internal predecessors, (1052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:24,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 1052 transitions. [2024-10-24 04:11:24,807 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 1052 transitions. Word has length 106 [2024-10-24 04:11:24,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:11:24,807 INFO L471 AbstractCegarLoop]: Abstraction has 724 states and 1052 transitions. [2024-10-24 04:11:24,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:24,808 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1052 transitions. [2024-10-24 04:11:24,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-10-24 04:11:24,809 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:11:24,809 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] [2024-10-24 04:11:24,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-24 04:11:24,809 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:11:24,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:11:24,810 INFO L85 PathProgramCache]: Analyzing trace with hash 15313040, now seen corresponding path program 1 times [2024-10-24 04:11:24,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:11:24,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581005159] [2024-10-24 04:11:24,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:11:24,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:11:24,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:11:25,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:11:25,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:11:25,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581005159] [2024-10-24 04:11:25,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581005159] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:11:25,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:11:25,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 04:11:25,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830614888] [2024-10-24 04:11:25,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:11:25,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 04:11:25,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:11:25,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 04:11:25,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-10-24 04:11:25,627 INFO L87 Difference]: Start difference. First operand 724 states and 1052 transitions. Second operand has 11 states, 11 states have (on average 9.636363636363637) internal successors, (106), 10 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:25,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:11:25,900 INFO L93 Difference]: Finished difference Result 1494 states and 2164 transitions. [2024-10-24 04:11:25,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 04:11:25,902 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.636363636363637) internal successors, (106), 10 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2024-10-24 04:11:25,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:11:25,905 INFO L225 Difference]: With dead ends: 1494 [2024-10-24 04:11:25,905 INFO L226 Difference]: Without dead ends: 1022 [2024-10-24 04:11:25,906 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-10-24 04:11:25,907 INFO L432 NwaCegarLoop]: 701 mSDtfsCounter, 767 mSDsluCounter, 5328 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 767 SdHoareTripleChecker+Valid, 6029 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 04:11:25,907 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [767 Valid, 6029 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 04:11:25,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1022 states. [2024-10-24 04:11:25,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1022 to 757. [2024-10-24 04:11:25,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 757 states, 756 states have (on average 1.4537037037037037) internal successors, (1099), 756 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:25,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 757 states and 1099 transitions. [2024-10-24 04:11:25,924 INFO L78 Accepts]: Start accepts. Automaton has 757 states and 1099 transitions. Word has length 106 [2024-10-24 04:11:25,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:11:25,924 INFO L471 AbstractCegarLoop]: Abstraction has 757 states and 1099 transitions. [2024-10-24 04:11:25,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.636363636363637) internal successors, (106), 10 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:25,924 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 1099 transitions. [2024-10-24 04:11:25,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-10-24 04:11:25,925 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:11:25,926 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] [2024-10-24 04:11:25,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-24 04:11:25,926 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:11:25,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:11:25,926 INFO L85 PathProgramCache]: Analyzing trace with hash 375827886, now seen corresponding path program 1 times [2024-10-24 04:11:25,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:11:25,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771887603] [2024-10-24 04:11:25,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:11:25,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:11:26,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:11:26,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:11:26,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:11:26,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771887603] [2024-10-24 04:11:26,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771887603] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:11:26,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:11:26,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 04:11:26,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654639963] [2024-10-24 04:11:26,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:11:26,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 04:11:26,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:11:26,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 04:11:26,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-24 04:11:26,650 INFO L87 Difference]: Start difference. First operand 757 states and 1099 transitions. Second operand has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 5 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:27,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:11:27,346 INFO L93 Difference]: Finished difference Result 1665 states and 2412 transitions. [2024-10-24 04:11:27,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 04:11:27,347 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 5 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2024-10-24 04:11:27,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:11:27,350 INFO L225 Difference]: With dead ends: 1665 [2024-10-24 04:11:27,350 INFO L226 Difference]: Without dead ends: 1216 [2024-10-24 04:11:27,351 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 04:11:27,352 INFO L432 NwaCegarLoop]: 463 mSDtfsCounter, 716 mSDsluCounter, 1220 mSDsCounter, 0 mSdLazyCounter, 887 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 716 SdHoareTripleChecker+Valid, 1683 SdHoareTripleChecker+Invalid, 887 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 887 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 04:11:27,352 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [716 Valid, 1683 Invalid, 887 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 887 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 04:11:27,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1216 states. [2024-10-24 04:11:27,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1216 to 1079. [2024-10-24 04:11:27,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1079 states, 1078 states have (on average 1.4461966604823748) internal successors, (1559), 1078 states have internal predecessors, (1559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:27,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 1079 states and 1559 transitions. [2024-10-24 04:11:27,370 INFO L78 Accepts]: Start accepts. Automaton has 1079 states and 1559 transitions. Word has length 106 [2024-10-24 04:11:27,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:11:27,371 INFO L471 AbstractCegarLoop]: Abstraction has 1079 states and 1559 transitions. [2024-10-24 04:11:27,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 5 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:27,371 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 1559 transitions. [2024-10-24 04:11:27,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-10-24 04:11:27,372 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:11:27,372 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] [2024-10-24 04:11:27,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-24 04:11:27,372 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:11:27,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:11:27,373 INFO L85 PathProgramCache]: Analyzing trace with hash -334186373, now seen corresponding path program 1 times [2024-10-24 04:11:27,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:11:27,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948199964] [2024-10-24 04:11:27,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:11:27,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:11:27,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:11:28,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:11:28,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:11:28,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948199964] [2024-10-24 04:11:28,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948199964] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:11:28,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:11:28,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 04:11:28,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583074640] [2024-10-24 04:11:28,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:11:28,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 04:11:28,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:11:28,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 04:11:28,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 04:11:28,186 INFO L87 Difference]: Start difference. First operand 1079 states and 1559 transitions. Second operand has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:28,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:11:28,345 INFO L93 Difference]: Finished difference Result 1883 states and 2718 transitions. [2024-10-24 04:11:28,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 04:11:28,346 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2024-10-24 04:11:28,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:11:28,349 INFO L225 Difference]: With dead ends: 1883 [2024-10-24 04:11:28,349 INFO L226 Difference]: Without dead ends: 1196 [2024-10-24 04:11:28,351 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-24 04:11:28,352 INFO L432 NwaCegarLoop]: 454 mSDtfsCounter, 679 mSDsluCounter, 909 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 679 SdHoareTripleChecker+Valid, 1363 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 04:11:28,352 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [679 Valid, 1363 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 04:11:28,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1196 states. [2024-10-24 04:11:28,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1196 to 1079. [2024-10-24 04:11:28,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1079 states, 1078 states have (on average 1.4424860853432282) internal successors, (1555), 1078 states have internal predecessors, (1555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:28,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 1079 states and 1555 transitions. [2024-10-24 04:11:28,368 INFO L78 Accepts]: Start accepts. Automaton has 1079 states and 1555 transitions. Word has length 107 [2024-10-24 04:11:28,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:11:28,369 INFO L471 AbstractCegarLoop]: Abstraction has 1079 states and 1555 transitions. [2024-10-24 04:11:28,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:28,369 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 1555 transitions. [2024-10-24 04:11:28,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-10-24 04:11:28,370 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:11:28,370 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] [2024-10-24 04:11:28,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-24 04:11:28,371 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:11:28,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:11:28,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1983826129, now seen corresponding path program 1 times [2024-10-24 04:11:28,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:11:28,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134317597] [2024-10-24 04:11:28,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:11:28,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:11:28,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:11:29,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:11:29,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:11:29,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134317597] [2024-10-24 04:11:29,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134317597] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:11:29,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:11:29,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-24 04:11:29,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720313396] [2024-10-24 04:11:29,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:11:29,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 04:11:29,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:11:29,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 04:11:29,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-10-24 04:11:29,357 INFO L87 Difference]: Start difference. First operand 1079 states and 1555 transitions. Second operand has 12 states, 12 states have (on average 9.0) internal successors, (108), 11 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:29,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:11:29,581 INFO L93 Difference]: Finished difference Result 1991 states and 2862 transitions. [2024-10-24 04:11:29,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 04:11:29,581 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.0) internal successors, (108), 11 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2024-10-24 04:11:29,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:11:29,585 INFO L225 Difference]: With dead ends: 1991 [2024-10-24 04:11:29,585 INFO L226 Difference]: Without dead ends: 1326 [2024-10-24 04:11:29,586 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2024-10-24 04:11:29,587 INFO L432 NwaCegarLoop]: 480 mSDtfsCounter, 463 mSDsluCounter, 3830 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 463 SdHoareTripleChecker+Valid, 4310 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 04:11:29,587 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [463 Valid, 4310 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 04:11:29,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1326 states. [2024-10-24 04:11:29,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1326 to 1302. [2024-10-24 04:11:29,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1302 states, 1301 states have (on average 1.4296694850115297) internal successors, (1860), 1301 states have internal predecessors, (1860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:29,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 1302 states and 1860 transitions. [2024-10-24 04:11:29,607 INFO L78 Accepts]: Start accepts. Automaton has 1302 states and 1860 transitions. Word has length 108 [2024-10-24 04:11:29,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:11:29,607 INFO L471 AbstractCegarLoop]: Abstraction has 1302 states and 1860 transitions. [2024-10-24 04:11:29,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.0) internal successors, (108), 11 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:29,608 INFO L276 IsEmpty]: Start isEmpty. Operand 1302 states and 1860 transitions. [2024-10-24 04:11:29,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-10-24 04:11:29,609 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:11:29,609 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] [2024-10-24 04:11:29,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-24 04:11:29,609 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:11:29,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:11:29,610 INFO L85 PathProgramCache]: Analyzing trace with hash -416833103, now seen corresponding path program 1 times [2024-10-24 04:11:29,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:11:29,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890350952] [2024-10-24 04:11:29,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:11:29,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:11:29,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:11:29,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:11:29,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:11:29,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890350952] [2024-10-24 04:11:29,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890350952] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:11:29,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:11:29,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 04:11:29,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806353348] [2024-10-24 04:11:29,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:11:29,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 04:11:29,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:11:29,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 04:11:29,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 04:11:29,911 INFO L87 Difference]: Start difference. First operand 1302 states and 1860 transitions. Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:29,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:11:29,938 INFO L93 Difference]: Finished difference Result 2055 states and 2942 transitions. [2024-10-24 04:11:29,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 04:11:29,939 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2024-10-24 04:11:29,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:11:29,943 INFO L225 Difference]: With dead ends: 2055 [2024-10-24 04:11:29,943 INFO L226 Difference]: Without dead ends: 1253 [2024-10-24 04:11:29,944 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 04:11:29,944 INFO L432 NwaCegarLoop]: 476 mSDtfsCounter, 0 mSDsluCounter, 942 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1418 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 04:11:29,945 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1418 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 04:11:29,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1253 states. [2024-10-24 04:11:29,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1253 to 1253. [2024-10-24 04:11:29,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1253 states, 1252 states have (on average 1.4289137380191694) internal successors, (1789), 1252 states have internal predecessors, (1789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:29,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 1253 states and 1789 transitions. [2024-10-24 04:11:29,960 INFO L78 Accepts]: Start accepts. Automaton has 1253 states and 1789 transitions. Word has length 108 [2024-10-24 04:11:29,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:11:29,960 INFO L471 AbstractCegarLoop]: Abstraction has 1253 states and 1789 transitions. [2024-10-24 04:11:29,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:29,960 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1789 transitions. [2024-10-24 04:11:29,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-10-24 04:11:29,961 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:11:29,961 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] [2024-10-24 04:11:29,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-24 04:11:29,962 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:11:29,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:11:29,962 INFO L85 PathProgramCache]: Analyzing trace with hash -1678933277, now seen corresponding path program 1 times [2024-10-24 04:11:29,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:11:29,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468926369] [2024-10-24 04:11:29,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:11:29,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:11:30,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:11:30,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:11:30,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:11:30,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468926369] [2024-10-24 04:11:30,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468926369] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:11:30,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:11:30,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 04:11:30,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605897647] [2024-10-24 04:11:30,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:11:30,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 04:11:30,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:11:30,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 04:11:30,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-24 04:11:30,389 INFO L87 Difference]: Start difference. First operand 1253 states and 1789 transitions. Second operand has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 6 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:30,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:11:30,939 INFO L93 Difference]: Finished difference Result 2402 states and 3436 transitions. [2024-10-24 04:11:30,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 04:11:30,947 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 6 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2024-10-24 04:11:30,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:11:30,951 INFO L225 Difference]: With dead ends: 2402 [2024-10-24 04:11:30,951 INFO L226 Difference]: Without dead ends: 1390 [2024-10-24 04:11:30,952 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-24 04:11:30,952 INFO L432 NwaCegarLoop]: 569 mSDtfsCounter, 856 mSDsluCounter, 1979 mSDsCounter, 0 mSdLazyCounter, 739 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 856 SdHoareTripleChecker+Valid, 2548 SdHoareTripleChecker+Invalid, 739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 739 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 04:11:30,953 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [856 Valid, 2548 Invalid, 739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 739 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 04:11:30,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1390 states. [2024-10-24 04:11:30,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1390 to 1253. [2024-10-24 04:11:30,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1253 states, 1252 states have (on average 1.4257188498402555) internal successors, (1785), 1252 states have internal predecessors, (1785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:30,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 1253 states and 1785 transitions. [2024-10-24 04:11:30,971 INFO L78 Accepts]: Start accepts. Automaton has 1253 states and 1785 transitions. Word has length 108 [2024-10-24 04:11:30,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:11:30,971 INFO L471 AbstractCegarLoop]: Abstraction has 1253 states and 1785 transitions. [2024-10-24 04:11:30,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 6 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:30,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1785 transitions. [2024-10-24 04:11:30,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-10-24 04:11:30,973 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:11:30,973 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] [2024-10-24 04:11:30,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-24 04:11:30,973 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:11:30,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:11:30,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1142470929, now seen corresponding path program 1 times [2024-10-24 04:11:30,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:11:30,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402823282] [2024-10-24 04:11:30,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:11:30,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:11:31,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:11:31,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:11:31,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:11:31,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402823282] [2024-10-24 04:11:31,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402823282] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:11:31,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:11:31,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 04:11:31,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847294109] [2024-10-24 04:11:31,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:11:31,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 04:11:31,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:11:31,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 04:11:31,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-10-24 04:11:31,852 INFO L87 Difference]: Start difference. First operand 1253 states and 1785 transitions. Second operand has 11 states, 11 states have (on average 9.818181818181818) internal successors, (108), 10 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:32,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:11:32,728 INFO L93 Difference]: Finished difference Result 2619 states and 3749 transitions. [2024-10-24 04:11:32,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 04:11:32,729 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.818181818181818) internal successors, (108), 10 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2024-10-24 04:11:32,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:11:32,734 INFO L225 Difference]: With dead ends: 2619 [2024-10-24 04:11:32,734 INFO L226 Difference]: Without dead ends: 1913 [2024-10-24 04:11:32,735 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=367, Unknown=0, NotChecked=0, Total=462 [2024-10-24 04:11:32,736 INFO L432 NwaCegarLoop]: 538 mSDtfsCounter, 1052 mSDsluCounter, 3423 mSDsCounter, 0 mSdLazyCounter, 1184 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1052 SdHoareTripleChecker+Valid, 3961 SdHoareTripleChecker+Invalid, 1188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 04:11:32,736 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1052 Valid, 3961 Invalid, 1188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1184 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 04:11:32,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1913 states. [2024-10-24 04:11:32,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1913 to 1911. [2024-10-24 04:11:32,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1911 states, 1910 states have (on average 1.4308900523560208) internal successors, (2733), 1910 states have internal predecessors, (2733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:32,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1911 states to 1911 states and 2733 transitions. [2024-10-24 04:11:32,758 INFO L78 Accepts]: Start accepts. Automaton has 1911 states and 2733 transitions. Word has length 108 [2024-10-24 04:11:32,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:11:32,758 INFO L471 AbstractCegarLoop]: Abstraction has 1911 states and 2733 transitions. [2024-10-24 04:11:32,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.818181818181818) internal successors, (108), 10 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:32,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1911 states and 2733 transitions. [2024-10-24 04:11:32,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-24 04:11:32,760 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:11:32,760 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] [2024-10-24 04:11:32,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-24 04:11:32,760 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:11:32,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:11:32,760 INFO L85 PathProgramCache]: Analyzing trace with hash -164509175, now seen corresponding path program 1 times [2024-10-24 04:11:32,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:11:32,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271195726] [2024-10-24 04:11:32,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:11:32,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:11:32,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:11:33,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:11:33,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:11:33,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271195726] [2024-10-24 04:11:33,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271195726] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:11:33,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:11:33,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 04:11:33,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855225774] [2024-10-24 04:11:33,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:11:33,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 04:11:33,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:11:33,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 04:11:33,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-24 04:11:33,101 INFO L87 Difference]: Start difference. First operand 1911 states and 2733 transitions. Second operand has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 5 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:33,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:11:33,183 INFO L93 Difference]: Finished difference Result 3711 states and 5317 transitions. [2024-10-24 04:11:33,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 04:11:33,184 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 5 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2024-10-24 04:11:33,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:11:33,191 INFO L225 Difference]: With dead ends: 3711 [2024-10-24 04:11:33,191 INFO L226 Difference]: Without dead ends: 2374 [2024-10-24 04:11:33,193 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-10-24 04:11:33,194 INFO L432 NwaCegarLoop]: 700 mSDtfsCounter, 687 mSDsluCounter, 1852 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 687 SdHoareTripleChecker+Valid, 2552 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 04:11:33,194 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [687 Valid, 2552 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 04:11:33,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2374 states. [2024-10-24 04:11:33,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2374 to 2017. [2024-10-24 04:11:33,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2017 states, 2016 states have (on average 1.4270833333333333) internal successors, (2877), 2016 states have internal predecessors, (2877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:33,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2017 states to 2017 states and 2877 transitions. [2024-10-24 04:11:33,227 INFO L78 Accepts]: Start accepts. Automaton has 2017 states and 2877 transitions. Word has length 109 [2024-10-24 04:11:33,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:11:33,227 INFO L471 AbstractCegarLoop]: Abstraction has 2017 states and 2877 transitions. [2024-10-24 04:11:33,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 5 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:33,228 INFO L276 IsEmpty]: Start isEmpty. Operand 2017 states and 2877 transitions. [2024-10-24 04:11:33,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-24 04:11:33,229 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:11:33,229 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] [2024-10-24 04:11:33,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-24 04:11:33,229 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:11:33,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:11:33,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1817066942, now seen corresponding path program 1 times [2024-10-24 04:11:33,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:11:33,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361517727] [2024-10-24 04:11:33,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:11:33,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:11:33,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:11:33,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:11:33,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:11:33,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361517727] [2024-10-24 04:11:33,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361517727] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:11:33,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:11:33,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 04:11:33,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780343392] [2024-10-24 04:11:33,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:11:33,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 04:11:33,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:11:33,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 04:11:33,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 04:11:33,663 INFO L87 Difference]: Start difference. First operand 2017 states and 2877 transitions. Second operand has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:33,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:11:33,685 INFO L93 Difference]: Finished difference Result 3507 states and 5017 transitions. [2024-10-24 04:11:33,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 04:11:33,687 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2024-10-24 04:11:33,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:11:33,693 INFO L225 Difference]: With dead ends: 3507 [2024-10-24 04:11:33,693 INFO L226 Difference]: Without dead ends: 2003 [2024-10-24 04:11:33,695 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 04:11:33,696 INFO L432 NwaCegarLoop]: 473 mSDtfsCounter, 0 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 944 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 04:11:33,696 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 944 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 04:11:33,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2003 states. [2024-10-24 04:11:33,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2003 to 2003. [2024-10-24 04:11:33,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2003 states, 2002 states have (on average 1.4200799200799201) internal successors, (2843), 2002 states have internal predecessors, (2843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:33,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2003 states to 2003 states and 2843 transitions. [2024-10-24 04:11:33,723 INFO L78 Accepts]: Start accepts. Automaton has 2003 states and 2843 transitions. Word has length 109 [2024-10-24 04:11:33,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:11:33,723 INFO L471 AbstractCegarLoop]: Abstraction has 2003 states and 2843 transitions. [2024-10-24 04:11:33,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:33,724 INFO L276 IsEmpty]: Start isEmpty. Operand 2003 states and 2843 transitions. [2024-10-24 04:11:33,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-24 04:11:33,725 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:11:33,725 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] [2024-10-24 04:11:33,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-24 04:11:33,726 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:11:33,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:11:33,726 INFO L85 PathProgramCache]: Analyzing trace with hash 410027042, now seen corresponding path program 1 times [2024-10-24 04:11:33,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:11:33,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915400269] [2024-10-24 04:11:33,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:11:33,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:11:33,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:11:34,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:11:34,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:11:34,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915400269] [2024-10-24 04:11:34,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915400269] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:11:34,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:11:34,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 04:11:34,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386957556] [2024-10-24 04:11:34,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:11:34,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 04:11:34,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:11:34,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 04:11:34,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 04:11:34,042 INFO L87 Difference]: Start difference. First operand 2003 states and 2843 transitions. Second operand has 5 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:34,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:11:34,078 INFO L93 Difference]: Finished difference Result 3469 states and 4935 transitions. [2024-10-24 04:11:34,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 04:11:34,079 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2024-10-24 04:11:34,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:11:34,084 INFO L225 Difference]: With dead ends: 3469 [2024-10-24 04:11:34,084 INFO L226 Difference]: Without dead ends: 2003 [2024-10-24 04:11:34,085 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 04:11:34,086 INFO L432 NwaCegarLoop]: 467 mSDtfsCounter, 1 mSDsluCounter, 1398 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1865 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 04:11:34,086 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1865 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 04:11:34,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2003 states. [2024-10-24 04:11:34,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2003 to 2003. [2024-10-24 04:11:34,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2003 states, 2002 states have (on average 1.413086913086913) internal successors, (2829), 2002 states have internal predecessors, (2829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:34,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2003 states to 2003 states and 2829 transitions. [2024-10-24 04:11:34,107 INFO L78 Accepts]: Start accepts. Automaton has 2003 states and 2829 transitions. Word has length 109 [2024-10-24 04:11:34,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:11:34,107 INFO L471 AbstractCegarLoop]: Abstraction has 2003 states and 2829 transitions. [2024-10-24 04:11:34,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:34,108 INFO L276 IsEmpty]: Start isEmpty. Operand 2003 states and 2829 transitions. [2024-10-24 04:11:34,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-24 04:11:34,109 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:11:34,109 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] [2024-10-24 04:11:34,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-24 04:11:34,109 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:11:34,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:11:34,110 INFO L85 PathProgramCache]: Analyzing trace with hash -814917975, now seen corresponding path program 1 times [2024-10-24 04:11:34,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:11:34,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903815353] [2024-10-24 04:11:34,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:11:34,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:11:34,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:11:34,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:11:34,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:11:34,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903815353] [2024-10-24 04:11:34,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903815353] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:11:34,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:11:34,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 04:11:34,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696482873] [2024-10-24 04:11:34,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:11:34,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 04:11:34,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:11:34,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 04:11:34,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 04:11:34,443 INFO L87 Difference]: Start difference. First operand 2003 states and 2829 transitions. Second operand has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 5 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:34,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:11:34,745 INFO L93 Difference]: Finished difference Result 3933 states and 5579 transitions. [2024-10-24 04:11:34,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 04:11:34,746 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 5 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2024-10-24 04:11:34,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:11:34,753 INFO L225 Difference]: With dead ends: 3933 [2024-10-24 04:11:34,753 INFO L226 Difference]: Without dead ends: 2389 [2024-10-24 04:11:34,756 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-10-24 04:11:34,757 INFO L432 NwaCegarLoop]: 446 mSDtfsCounter, 1243 mSDsluCounter, 1328 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1243 SdHoareTripleChecker+Valid, 1774 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 04:11:34,757 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1243 Valid, 1774 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 04:11:34,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2389 states. [2024-10-24 04:11:34,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2389 to 1953. [2024-10-24 04:11:34,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1953 states, 1952 states have (on average 1.4113729508196722) internal successors, (2755), 1952 states have internal predecessors, (2755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:34,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1953 states to 1953 states and 2755 transitions. [2024-10-24 04:11:34,794 INFO L78 Accepts]: Start accepts. Automaton has 1953 states and 2755 transitions. Word has length 109 [2024-10-24 04:11:34,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:11:34,794 INFO L471 AbstractCegarLoop]: Abstraction has 1953 states and 2755 transitions. [2024-10-24 04:11:34,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 5 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:34,795 INFO L276 IsEmpty]: Start isEmpty. Operand 1953 states and 2755 transitions. [2024-10-24 04:11:34,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-24 04:11:34,797 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:11:34,797 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] [2024-10-24 04:11:34,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-24 04:11:34,797 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:11:34,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:11:34,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1032964500, now seen corresponding path program 1 times [2024-10-24 04:11:34,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:11:34,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885484642] [2024-10-24 04:11:34,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:11:34,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:11:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:11:35,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:11:35,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:11:35,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885484642] [2024-10-24 04:11:35,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885484642] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:11:35,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:11:35,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 04:11:35,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355122030] [2024-10-24 04:11:35,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:11:35,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 04:11:35,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:11:35,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 04:11:35,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-10-24 04:11:35,214 INFO L87 Difference]: Start difference. First operand 1953 states and 2755 transitions. Second operand has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:35,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:11:35,673 INFO L93 Difference]: Finished difference Result 3613 states and 5123 transitions. [2024-10-24 04:11:35,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 04:11:35,679 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2024-10-24 04:11:35,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:11:35,684 INFO L225 Difference]: With dead ends: 3613 [2024-10-24 04:11:35,685 INFO L226 Difference]: Without dead ends: 2225 [2024-10-24 04:11:35,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-24 04:11:35,687 INFO L432 NwaCegarLoop]: 544 mSDtfsCounter, 689 mSDsluCounter, 1687 mSDsCounter, 0 mSdLazyCounter, 844 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 689 SdHoareTripleChecker+Valid, 2231 SdHoareTripleChecker+Invalid, 844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 844 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 04:11:35,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [689 Valid, 2231 Invalid, 844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 844 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 04:11:35,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2225 states. [2024-10-24 04:11:35,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2225 to 1712. [2024-10-24 04:11:35,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1712 states, 1711 states have (on average 1.4143775569842199) internal successors, (2420), 1711 states have internal predecessors, (2420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:35,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 1712 states and 2420 transitions. [2024-10-24 04:11:35,709 INFO L78 Accepts]: Start accepts. Automaton has 1712 states and 2420 transitions. Word has length 109 [2024-10-24 04:11:35,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:11:35,709 INFO L471 AbstractCegarLoop]: Abstraction has 1712 states and 2420 transitions. [2024-10-24 04:11:35,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:35,709 INFO L276 IsEmpty]: Start isEmpty. Operand 1712 states and 2420 transitions. [2024-10-24 04:11:35,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-24 04:11:35,710 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:11:35,710 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] [2024-10-24 04:11:35,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-24 04:11:35,711 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:11:35,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:11:35,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1058645568, now seen corresponding path program 1 times [2024-10-24 04:11:35,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:11:35,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999397915] [2024-10-24 04:11:35,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:11:35,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:11:35,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:11:36,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:11:36,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:11:36,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999397915] [2024-10-24 04:11:36,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999397915] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:11:36,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:11:36,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-24 04:11:36,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927295131] [2024-10-24 04:11:36,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:11:36,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-24 04:11:36,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:11:36,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-24 04:11:36,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-24 04:11:36,630 INFO L87 Difference]: Start difference. First operand 1712 states and 2420 transitions. Second operand has 15 states, 15 states have (on average 7.266666666666667) internal successors, (109), 14 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:37,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:11:37,035 INFO L93 Difference]: Finished difference Result 3608 states and 5099 transitions. [2024-10-24 04:11:37,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-24 04:11:37,036 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.266666666666667) internal successors, (109), 14 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2024-10-24 04:11:37,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:11:37,039 INFO L225 Difference]: With dead ends: 3608 [2024-10-24 04:11:37,039 INFO L226 Difference]: Without dead ends: 1948 [2024-10-24 04:11:37,046 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=590, Unknown=0, NotChecked=0, Total=702 [2024-10-24 04:11:37,046 INFO L432 NwaCegarLoop]: 453 mSDtfsCounter, 1112 mSDsluCounter, 4958 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1112 SdHoareTripleChecker+Valid, 5411 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 04:11:37,046 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1112 Valid, 5411 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 04:11:37,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1948 states. [2024-10-24 04:11:37,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1948 to 1738. [2024-10-24 04:11:37,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1738 states, 1737 states have (on average 1.4139320667818076) internal successors, (2456), 1737 states have internal predecessors, (2456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:37,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1738 states to 1738 states and 2456 transitions. [2024-10-24 04:11:37,065 INFO L78 Accepts]: Start accepts. Automaton has 1738 states and 2456 transitions. Word has length 109 [2024-10-24 04:11:37,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:11:37,066 INFO L471 AbstractCegarLoop]: Abstraction has 1738 states and 2456 transitions. [2024-10-24 04:11:37,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 7.266666666666667) internal successors, (109), 14 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:37,066 INFO L276 IsEmpty]: Start isEmpty. Operand 1738 states and 2456 transitions. [2024-10-24 04:11:37,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-10-24 04:11:37,067 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:11:37,067 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] [2024-10-24 04:11:37,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-10-24 04:11:37,067 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:11:37,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:11:37,068 INFO L85 PathProgramCache]: Analyzing trace with hash 149052324, now seen corresponding path program 1 times [2024-10-24 04:11:37,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:11:37,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901972450] [2024-10-24 04:11:37,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:11:37,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:11:37,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:11:37,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:11:37,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:11:37,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901972450] [2024-10-24 04:11:37,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901972450] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:11:37,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:11:37,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 04:11:37,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579898037] [2024-10-24 04:11:37,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:11:37,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 04:11:37,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:11:37,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 04:11:37,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 04:11:37,357 INFO L87 Difference]: Start difference. First operand 1738 states and 2456 transitions. Second operand has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 5 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:37,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:11:37,484 INFO L93 Difference]: Finished difference Result 3422 states and 4833 transitions. [2024-10-24 04:11:37,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 04:11:37,484 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 5 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2024-10-24 04:11:37,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:11:37,487 INFO L225 Difference]: With dead ends: 3422 [2024-10-24 04:11:37,487 INFO L226 Difference]: Without dead ends: 1742 [2024-10-24 04:11:37,489 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-24 04:11:37,489 INFO L432 NwaCegarLoop]: 437 mSDtfsCounter, 450 mSDsluCounter, 1309 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 1746 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 04:11:37,489 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [450 Valid, 1746 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 04:11:37,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1742 states. [2024-10-24 04:11:37,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1742 to 1742. [2024-10-24 04:11:37,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1742 states, 1741 states have (on average 1.4106835152211372) internal successors, (2456), 1741 states have internal predecessors, (2456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:37,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1742 states to 1742 states and 2456 transitions. [2024-10-24 04:11:37,506 INFO L78 Accepts]: Start accepts. Automaton has 1742 states and 2456 transitions. Word has length 110 [2024-10-24 04:11:37,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:11:37,506 INFO L471 AbstractCegarLoop]: Abstraction has 1742 states and 2456 transitions. [2024-10-24 04:11:37,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 5 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:37,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 2456 transitions. [2024-10-24 04:11:37,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-10-24 04:11:37,508 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:11:37,508 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] [2024-10-24 04:11:37,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-24 04:11:37,508 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:11:37,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:11:37,509 INFO L85 PathProgramCache]: Analyzing trace with hash -251629004, now seen corresponding path program 1 times [2024-10-24 04:11:37,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:11:37,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164738018] [2024-10-24 04:11:37,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:11:37,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:11:37,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:11:38,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:11:38,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:11:38,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164738018] [2024-10-24 04:11:38,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164738018] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:11:38,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:11:38,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 04:11:38,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725421234] [2024-10-24 04:11:38,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:11:38,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 04:11:38,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:11:38,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 04:11:38,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 04:11:38,183 INFO L87 Difference]: Start difference. First operand 1742 states and 2456 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:38,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:11:38,298 INFO L93 Difference]: Finished difference Result 3185 states and 4503 transitions. [2024-10-24 04:11:38,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 04:11:38,299 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2024-10-24 04:11:38,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:11:38,302 INFO L225 Difference]: With dead ends: 3185 [2024-10-24 04:11:38,302 INFO L226 Difference]: Without dead ends: 1938 [2024-10-24 04:11:38,304 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-24 04:11:38,304 INFO L432 NwaCegarLoop]: 451 mSDtfsCounter, 846 mSDsluCounter, 902 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 846 SdHoareTripleChecker+Valid, 1353 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 04:11:38,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [846 Valid, 1353 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 04:11:38,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1938 states. [2024-10-24 04:11:38,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1938 to 1742. [2024-10-24 04:11:38,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1742 states, 1741 states have (on average 1.407811602527283) internal successors, (2451), 1741 states have internal predecessors, (2451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:38,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1742 states to 1742 states and 2451 transitions. [2024-10-24 04:11:38,327 INFO L78 Accepts]: Start accepts. Automaton has 1742 states and 2451 transitions. Word has length 110 [2024-10-24 04:11:38,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:11:38,327 INFO L471 AbstractCegarLoop]: Abstraction has 1742 states and 2451 transitions. [2024-10-24 04:11:38,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:38,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 2451 transitions. [2024-10-24 04:11:38,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-10-24 04:11:38,328 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:11:38,328 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] [2024-10-24 04:11:38,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-10-24 04:11:38,329 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:11:38,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:11:38,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1024777683, now seen corresponding path program 1 times [2024-10-24 04:11:38,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:11:38,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393098311] [2024-10-24 04:11:38,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:11:38,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:11:38,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:11:38,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:11:38,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:11:38,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393098311] [2024-10-24 04:11:38,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393098311] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:11:38,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:11:38,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 04:11:38,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436676875] [2024-10-24 04:11:38,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:11:38,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 04:11:38,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:11:38,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 04:11:38,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-10-24 04:11:38,995 INFO L87 Difference]: Start difference. First operand 1742 states and 2451 transitions. Second operand has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:39,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:11:39,100 INFO L93 Difference]: Finished difference Result 3323 states and 4705 transitions. [2024-10-24 04:11:39,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 04:11:39,101 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2024-10-24 04:11:39,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:11:39,104 INFO L225 Difference]: With dead ends: 3323 [2024-10-24 04:11:39,104 INFO L226 Difference]: Without dead ends: 2086 [2024-10-24 04:11:39,105 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-10-24 04:11:39,105 INFO L432 NwaCegarLoop]: 460 mSDtfsCounter, 1043 mSDsluCounter, 1721 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1043 SdHoareTripleChecker+Valid, 2181 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 04:11:39,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1043 Valid, 2181 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 04:11:39,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2086 states. [2024-10-24 04:11:39,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2086 to 1752. [2024-10-24 04:11:39,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1752 states, 1751 states have (on average 1.4054825813820675) internal successors, (2461), 1751 states have internal predecessors, (2461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:39,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1752 states to 1752 states and 2461 transitions. [2024-10-24 04:11:39,124 INFO L78 Accepts]: Start accepts. Automaton has 1752 states and 2461 transitions. Word has length 111 [2024-10-24 04:11:39,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:11:39,124 INFO L471 AbstractCegarLoop]: Abstraction has 1752 states and 2461 transitions. [2024-10-24 04:11:39,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:39,125 INFO L276 IsEmpty]: Start isEmpty. Operand 1752 states and 2461 transitions. [2024-10-24 04:11:39,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-10-24 04:11:39,126 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:11:39,126 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] [2024-10-24 04:11:39,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-24 04:11:39,126 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:11:39,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:11:39,126 INFO L85 PathProgramCache]: Analyzing trace with hash 966906612, now seen corresponding path program 1 times [2024-10-24 04:11:39,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:11:39,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887456300] [2024-10-24 04:11:39,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:11:39,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:11:39,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:11:39,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:11:39,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:11:39,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887456300] [2024-10-24 04:11:39,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887456300] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:11:39,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:11:39,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 04:11:39,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850824360] [2024-10-24 04:11:39,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:11:39,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 04:11:39,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:11:39,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 04:11:39,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 04:11:39,710 INFO L87 Difference]: Start difference. First operand 1752 states and 2461 transitions. Second operand has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:39,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:11:39,802 INFO L93 Difference]: Finished difference Result 2974 states and 4201 transitions. [2024-10-24 04:11:39,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 04:11:39,803 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2024-10-24 04:11:39,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:11:39,805 INFO L225 Difference]: With dead ends: 2974 [2024-10-24 04:11:39,805 INFO L226 Difference]: Without dead ends: 1752 [2024-10-24 04:11:39,806 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 04:11:39,806 INFO L432 NwaCegarLoop]: 456 mSDtfsCounter, 4 mSDsluCounter, 2271 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 2727 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 04:11:39,806 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 2727 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 04:11:39,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1752 states. [2024-10-24 04:11:39,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1752 to 1752. [2024-10-24 04:11:39,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1752 states, 1751 states have (on average 1.4020559680182754) internal successors, (2455), 1751 states have internal predecessors, (2455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:39,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1752 states to 1752 states and 2455 transitions. [2024-10-24 04:11:39,821 INFO L78 Accepts]: Start accepts. Automaton has 1752 states and 2455 transitions. Word has length 111 [2024-10-24 04:11:39,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:11:39,822 INFO L471 AbstractCegarLoop]: Abstraction has 1752 states and 2455 transitions. [2024-10-24 04:11:39,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:39,822 INFO L276 IsEmpty]: Start isEmpty. Operand 1752 states and 2455 transitions. [2024-10-24 04:11:39,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-24 04:11:39,823 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:11:39,823 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, 1] [2024-10-24 04:11:39,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-10-24 04:11:39,823 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:11:39,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:11:39,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1483778939, now seen corresponding path program 1 times [2024-10-24 04:11:39,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:11:39,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919268941] [2024-10-24 04:11:39,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:11:39,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:11:39,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:11:40,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:11:40,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:11:40,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919268941] [2024-10-24 04:11:40,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919268941] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:11:40,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:11:40,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 04:11:40,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918210058] [2024-10-24 04:11:40,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:11:40,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 04:11:40,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:11:40,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 04:11:40,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 04:11:40,026 INFO L87 Difference]: Start difference. First operand 1752 states and 2455 transitions. Second operand has 5 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:40,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:11:40,061 INFO L93 Difference]: Finished difference Result 2998 states and 4219 transitions. [2024-10-24 04:11:40,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 04:11:40,062 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2024-10-24 04:11:40,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:11:40,064 INFO L225 Difference]: With dead ends: 2998 [2024-10-24 04:11:40,064 INFO L226 Difference]: Without dead ends: 1776 [2024-10-24 04:11:40,066 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 04:11:40,066 INFO L432 NwaCegarLoop]: 465 mSDtfsCounter, 2 mSDsluCounter, 1388 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1853 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 04:11:40,067 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1853 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 04:11:40,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1776 states. [2024-10-24 04:11:40,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1776 to 1770. [2024-10-24 04:11:40,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1770 states, 1769 states have (on average 1.3979649519502544) internal successors, (2473), 1769 states have internal predecessors, (2473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:40,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1770 states to 1770 states and 2473 transitions. [2024-10-24 04:11:40,081 INFO L78 Accepts]: Start accepts. Automaton has 1770 states and 2473 transitions. Word has length 112 [2024-10-24 04:11:40,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:11:40,081 INFO L471 AbstractCegarLoop]: Abstraction has 1770 states and 2473 transitions. [2024-10-24 04:11:40,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:40,082 INFO L276 IsEmpty]: Start isEmpty. Operand 1770 states and 2473 transitions. [2024-10-24 04:11:40,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-24 04:11:40,083 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:11:40,084 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, 1] [2024-10-24 04:11:40,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-10-24 04:11:40,085 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:11:40,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:11:40,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1829816855, now seen corresponding path program 1 times [2024-10-24 04:11:40,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:11:40,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761935428] [2024-10-24 04:11:40,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:11:40,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:11:40,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:11:40,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:11:40,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:11:40,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761935428] [2024-10-24 04:11:40,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761935428] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:11:40,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:11:40,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 04:11:40,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041981694] [2024-10-24 04:11:40,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:11:40,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 04:11:40,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:11:40,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 04:11:40,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 04:11:40,498 INFO L87 Difference]: Start difference. First operand 1770 states and 2473 transitions. Second operand has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:40,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:11:40,518 INFO L93 Difference]: Finished difference Result 3004 states and 4219 transitions. [2024-10-24 04:11:40,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 04:11:40,518 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2024-10-24 04:11:40,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:11:40,521 INFO L225 Difference]: With dead ends: 3004 [2024-10-24 04:11:40,521 INFO L226 Difference]: Without dead ends: 1734 [2024-10-24 04:11:40,523 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 04:11:40,523 INFO L432 NwaCegarLoop]: 467 mSDtfsCounter, 0 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 932 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 04:11:40,523 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 932 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 04:11:40,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1734 states. [2024-10-24 04:11:40,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1734 to 1734. [2024-10-24 04:11:40,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1733 states have (on average 1.396999422965955) internal successors, (2421), 1733 states have internal predecessors, (2421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:40,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2421 transitions. [2024-10-24 04:11:40,540 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2421 transitions. Word has length 112 [2024-10-24 04:11:40,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:11:40,540 INFO L471 AbstractCegarLoop]: Abstraction has 1734 states and 2421 transitions. [2024-10-24 04:11:40,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:40,540 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2421 transitions. [2024-10-24 04:11:40,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-24 04:11:40,541 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:11:40,541 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, 1, 1] [2024-10-24 04:11:40,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-10-24 04:11:40,541 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:11:40,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:11:40,542 INFO L85 PathProgramCache]: Analyzing trace with hash 420011313, now seen corresponding path program 1 times [2024-10-24 04:11:40,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:11:40,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837051431] [2024-10-24 04:11:40,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:11:40,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:11:40,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 04:11:40,652 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 04:11:40,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 04:11:40,836 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 04:11:40,836 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 04:11:40,837 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-24 04:11:40,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-10-24 04:11:40,841 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 04:11:40,939 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 04:11:40,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 04:11:40 BoogieIcfgContainer [2024-10-24 04:11:40,942 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 04:11:40,943 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 04:11:40,943 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 04:11:40,943 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 04:11:40,943 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:11:13" (3/4) ... [2024-10-24 04:11:40,945 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-24 04:11:40,946 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 04:11:40,946 INFO L158 Benchmark]: Toolchain (without parser) took 30973.86ms. Allocated memory was 130.0MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 59.1MB in the beginning and 447.7MB in the end (delta: -388.6MB). Peak memory consumption was 713.5MB. Max. memory is 16.1GB. [2024-10-24 04:11:40,947 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 130.0MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 04:11:40,947 INFO L158 Benchmark]: CACSL2BoogieTranslator took 652.17ms. Allocated memory is still 130.0MB. Free memory was 59.0MB in the beginning and 60.9MB in the end (delta: -1.9MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2024-10-24 04:11:40,947 INFO L158 Benchmark]: Boogie Procedure Inliner took 285.04ms. Allocated memory was 130.0MB in the beginning and 178.3MB in the end (delta: 48.2MB). Free memory was 60.9MB in the beginning and 106.5MB in the end (delta: -45.6MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. [2024-10-24 04:11:40,947 INFO L158 Benchmark]: Boogie Preprocessor took 219.10ms. Allocated memory is still 178.3MB. Free memory was 106.5MB in the beginning and 76.3MB in the end (delta: 30.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-10-24 04:11:40,947 INFO L158 Benchmark]: RCFGBuilder took 1865.56ms. Allocated memory was 178.3MB in the beginning and 281.0MB in the end (delta: 102.8MB). Free memory was 76.3MB in the beginning and 182.3MB in the end (delta: -106.0MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. [2024-10-24 04:11:40,947 INFO L158 Benchmark]: TraceAbstraction took 27940.74ms. Allocated memory was 281.0MB in the beginning and 1.2GB in the end (delta: 950.0MB). Free memory was 181.3MB in the beginning and 448.8MB in the end (delta: -267.5MB). Peak memory consumption was 682.5MB. Max. memory is 16.1GB. [2024-10-24 04:11:40,947 INFO L158 Benchmark]: Witness Printer took 3.40ms. Allocated memory is still 1.2GB. Free memory was 448.8MB in the beginning and 447.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 04:11:40,948 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 130.0MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 652.17ms. Allocated memory is still 130.0MB. Free memory was 59.0MB in the beginning and 60.9MB in the end (delta: -1.9MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 285.04ms. Allocated memory was 130.0MB in the beginning and 178.3MB in the end (delta: 48.2MB). Free memory was 60.9MB in the beginning and 106.5MB in the end (delta: -45.6MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 219.10ms. Allocated memory is still 178.3MB. Free memory was 106.5MB in the beginning and 76.3MB in the end (delta: 30.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1865.56ms. Allocated memory was 178.3MB in the beginning and 281.0MB in the end (delta: 102.8MB). Free memory was 76.3MB in the beginning and 182.3MB in the end (delta: -106.0MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. * TraceAbstraction took 27940.74ms. Allocated memory was 281.0MB in the beginning and 1.2GB in the end (delta: 950.0MB). Free memory was 181.3MB in the beginning and 448.8MB in the end (delta: -267.5MB). Peak memory consumption was 682.5MB. Max. memory is 16.1GB. * Witness Printer took 3.40ms. Allocated memory is still 1.2GB. Free memory was 448.8MB in the beginning and 447.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 397, overapproximation of bitwiseAnd at line 437. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 2); [L30] const SORT_4 msb_SORT_4 = (SORT_4)1 << (2 - 1); [L32] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 4); [L33] const SORT_9 msb_SORT_9 = (SORT_9)1 << (4 - 1); [L35] const SORT_10 mask_SORT_10 = (SORT_10)-1 >> (sizeof(SORT_10) * 8 - 3); [L36] const SORT_10 msb_SORT_10 = (SORT_10)1 << (3 - 1); [L38] const SORT_10 var_11 = 0; [L39] const SORT_1 var_14 = 0; [L40] const SORT_4 var_16 = 0; [L41] const SORT_9 var_33 = 8; [L42] const SORT_9 var_40 = 7; [L43] const SORT_4 var_52 = 1; [L44] const SORT_1 var_56 = 1; [L45] const SORT_4 var_66 = 2; [L46] const SORT_9 var_72 = 0; [L47] const SORT_4 var_79 = 3; [L48] const SORT_9 var_98 = 5; [L49] const SORT_10 var_120 = 1; [L50] const SORT_9 var_122 = 15; [L51] const SORT_9 var_150 = 6; [L52] const SORT_9 var_315 = 1; [L54] SORT_1 input_2; [L55] SORT_1 input_3; [L56] SORT_4 input_5; [L57] SORT_1 input_6; [L58] SORT_1 input_7; [L59] SORT_1 input_8; [L60] SORT_4 input_103; [L61] SORT_10 input_116; [L62] SORT_10 input_117; [L63] SORT_10 input_118; [L64] SORT_10 input_119; [L65] SORT_10 input_128; [L66] SORT_10 input_135; [L67] SORT_10 input_142; [L68] SORT_10 input_143; [L69] SORT_10 input_144; [L70] SORT_10 input_149; [L71] SORT_10 input_153; [L72] SORT_10 input_159; [L73] SORT_4 input_174; [L74] SORT_4 input_175; [L75] SORT_4 input_176; [L76] SORT_4 input_177; [L77] SORT_4 input_184; [L78] SORT_4 input_187; [L79] SORT_4 input_195; [L80] SORT_4 input_202; [L81] SORT_4 input_203; [L82] SORT_4 input_204; [L83] SORT_4 input_207; [L84] SORT_4 input_209; [L85] SORT_4 input_214; [L86] SORT_4 input_223; [L87] SORT_1 input_235; [L88] SORT_1 input_236; [L89] SORT_1 input_237; [L90] SORT_1 input_238; [L91] SORT_1 input_245; [L92] SORT_1 input_248; [L93] SORT_1 input_251; [L94] SORT_1 input_261; [L95] SORT_4 input_276; [L96] SORT_4 input_280; [L97] SORT_4 input_281; [L98] SORT_4 input_282; [L99] SORT_4 input_283; [L100] SORT_4 input_287; [L101] SORT_4 input_292; [L102] SORT_4 input_301; [L103] SORT_9 input_311; [L104] SORT_9 input_312; [L105] SORT_9 input_313; [L106] SORT_9 input_314; [L107] SORT_9 input_320; [L108] SORT_9 input_326; [L109] SORT_9 input_333; [L110] SORT_9 input_334; [L111] SORT_9 input_335; [L112] SORT_9 input_338; [L113] SORT_9 input_340; [L114] SORT_9 input_344; [L115] SORT_9 input_345; [L116] SORT_9 input_349; [L117] SORT_9 input_354; [L118] SORT_9 input_372; [L119] SORT_9 input_373; [L120] SORT_9 input_374; [L121] SORT_9 input_375; [L122] SORT_9 input_380; [L123] SORT_9 input_383; [L124] SORT_9 input_391; [L125] SORT_9 input_398; [L126] SORT_9 input_399; [L127] SORT_9 input_400; [L128] SORT_9 input_403; [L129] SORT_9 input_405; [L130] SORT_9 input_410; [L131] SORT_9 input_419; [L132] SORT_9 input_430; [L133] SORT_9 input_431; [L134] SORT_9 input_432; [L135] SORT_9 input_433; [L136] SORT_9 input_438; [L137] SORT_9 input_441; [L138] SORT_9 input_444; [L139] SORT_9 input_454; [L141] EXPR __VERIFIER_nondet_uchar() & mask_SORT_10 VAL [mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L141] SORT_10 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_10; [L142] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 VAL [mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L142] SORT_4 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L143] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L143] SORT_1 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L144] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 VAL [mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L144] SORT_4 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L145] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 VAL [mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L145] SORT_9 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L146] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 VAL [mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L146] SORT_4 state_96 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L147] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 VAL [mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L147] SORT_9 state_111 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L148] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 VAL [mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L148] SORT_9 state_113 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L150] SORT_10 init_13_arg_1 = var_11; [L151] state_12 = init_13_arg_1 [L152] SORT_4 init_18_arg_1 = var_16; [L153] state_17 = init_18_arg_1 [L154] SORT_1 init_23_arg_1 = var_14; [L155] state_22 = init_23_arg_1 [L156] SORT_4 init_51_arg_1 = var_16; [L157] state_50 = init_51_arg_1 [L158] SORT_9 init_74_arg_1 = var_72; [L159] state_73 = init_74_arg_1 [L160] SORT_9 init_112_arg_1 = var_72; [L161] state_111 = init_112_arg_1 [L162] SORT_9 init_114_arg_1 = var_72; [L163] state_113 = init_114_arg_1 VAL [mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L166] input_2 = __VERIFIER_nondet_uchar() [L167] EXPR input_2 & mask_SORT_1 VAL [mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L167] input_2 = input_2 & mask_SORT_1 [L168] input_3 = __VERIFIER_nondet_uchar() [L169] input_5 = __VERIFIER_nondet_uchar() [L170] input_6 = __VERIFIER_nondet_uchar() [L171] EXPR input_6 & mask_SORT_1 VAL [input_2=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L171] input_6 = input_6 & mask_SORT_1 [L172] input_7 = __VERIFIER_nondet_uchar() [L173] EXPR input_7 & mask_SORT_1 VAL [input_2=0, input_6=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L173] input_7 = input_7 & mask_SORT_1 [L174] input_8 = __VERIFIER_nondet_uchar() [L175] EXPR input_8 & mask_SORT_1 VAL [input_2=0, input_6=0, input_7=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L175] input_8 = input_8 & mask_SORT_1 [L176] input_103 = __VERIFIER_nondet_uchar() [L177] input_116 = __VERIFIER_nondet_uchar() [L178] input_117 = __VERIFIER_nondet_uchar() [L179] input_118 = __VERIFIER_nondet_uchar() [L180] input_119 = __VERIFIER_nondet_uchar() [L181] input_128 = __VERIFIER_nondet_uchar() [L182] input_135 = __VERIFIER_nondet_uchar() [L183] input_142 = __VERIFIER_nondet_uchar() [L184] input_143 = __VERIFIER_nondet_uchar() [L185] input_144 = __VERIFIER_nondet_uchar() [L186] input_149 = __VERIFIER_nondet_uchar() [L187] input_153 = __VERIFIER_nondet_uchar() [L188] input_159 = __VERIFIER_nondet_uchar() [L189] input_174 = __VERIFIER_nondet_uchar() [L190] input_175 = __VERIFIER_nondet_uchar() [L191] input_176 = __VERIFIER_nondet_uchar() [L192] input_177 = __VERIFIER_nondet_uchar() [L193] input_184 = __VERIFIER_nondet_uchar() [L194] input_187 = __VERIFIER_nondet_uchar() [L195] input_195 = __VERIFIER_nondet_uchar() [L196] input_202 = __VERIFIER_nondet_uchar() [L197] input_203 = __VERIFIER_nondet_uchar() [L198] input_204 = __VERIFIER_nondet_uchar() [L199] input_207 = __VERIFIER_nondet_uchar() [L200] input_209 = __VERIFIER_nondet_uchar() [L201] input_214 = __VERIFIER_nondet_uchar() [L202] input_223 = __VERIFIER_nondet_uchar() [L203] input_235 = __VERIFIER_nondet_uchar() [L204] input_236 = __VERIFIER_nondet_uchar() [L205] input_237 = __VERIFIER_nondet_uchar() [L206] input_238 = __VERIFIER_nondet_uchar() [L207] input_245 = __VERIFIER_nondet_uchar() [L208] input_248 = __VERIFIER_nondet_uchar() [L209] input_251 = __VERIFIER_nondet_uchar() [L210] input_261 = __VERIFIER_nondet_uchar() [L211] input_276 = __VERIFIER_nondet_uchar() [L212] input_280 = __VERIFIER_nondet_uchar() [L213] input_281 = __VERIFIER_nondet_uchar() [L214] input_282 = __VERIFIER_nondet_uchar() [L215] input_283 = __VERIFIER_nondet_uchar() [L216] input_287 = __VERIFIER_nondet_uchar() [L217] input_292 = __VERIFIER_nondet_uchar() [L218] input_301 = __VERIFIER_nondet_uchar() [L219] input_311 = __VERIFIER_nondet_uchar() [L220] input_312 = __VERIFIER_nondet_uchar() [L221] input_313 = __VERIFIER_nondet_uchar() [L222] input_314 = __VERIFIER_nondet_uchar() [L223] input_320 = __VERIFIER_nondet_uchar() [L224] input_326 = __VERIFIER_nondet_uchar() [L225] input_333 = __VERIFIER_nondet_uchar() [L226] input_334 = __VERIFIER_nondet_uchar() [L227] input_335 = __VERIFIER_nondet_uchar() [L228] input_338 = __VERIFIER_nondet_uchar() [L229] input_340 = __VERIFIER_nondet_uchar() [L230] input_344 = __VERIFIER_nondet_uchar() [L231] input_345 = __VERIFIER_nondet_uchar() [L232] input_349 = __VERIFIER_nondet_uchar() [L233] input_354 = __VERIFIER_nondet_uchar() [L234] input_372 = __VERIFIER_nondet_uchar() [L235] input_373 = __VERIFIER_nondet_uchar() [L236] input_374 = __VERIFIER_nondet_uchar() [L237] input_375 = __VERIFIER_nondet_uchar() [L238] input_380 = __VERIFIER_nondet_uchar() [L239] input_383 = __VERIFIER_nondet_uchar() [L240] input_391 = __VERIFIER_nondet_uchar() [L241] input_398 = __VERIFIER_nondet_uchar() [L242] input_399 = __VERIFIER_nondet_uchar() [L243] input_400 = __VERIFIER_nondet_uchar() [L244] input_403 = __VERIFIER_nondet_uchar() [L245] input_405 = __VERIFIER_nondet_uchar() [L246] input_410 = __VERIFIER_nondet_uchar() [L247] input_419 = __VERIFIER_nondet_uchar() [L248] input_430 = __VERIFIER_nondet_uchar() [L249] input_431 = __VERIFIER_nondet_uchar() [L250] input_432 = __VERIFIER_nondet_uchar() [L251] input_433 = __VERIFIER_nondet_uchar() [L252] input_438 = __VERIFIER_nondet_uchar() [L253] input_441 = __VERIFIER_nondet_uchar() [L254] input_444 = __VERIFIER_nondet_uchar() [L255] input_454 = __VERIFIER_nondet_uchar() [L258] SORT_1 var_15_arg_0 = var_14; [L259] SORT_10 var_15_arg_1 = state_12; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_15_arg_0=0, var_15_arg_1=0, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L260] EXPR ((SORT_9)var_15_arg_0 << 3) | var_15_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L260] SORT_9 var_15 = ((SORT_9)var_15_arg_0 << 3) | var_15_arg_1; [L261] SORT_4 var_19_arg_0 = state_17; [L262] SORT_1 var_19_arg_1 = var_14; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_15=0, var_16=0, var_19_arg_0=0, var_19_arg_1=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L263] EXPR ((SORT_10)var_19_arg_0 << 1) | var_19_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_15=0, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L263] SORT_10 var_19 = ((SORT_10)var_19_arg_0 << 1) | var_19_arg_1; [L264] EXPR var_19 & mask_SORT_10 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_15=0, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L264] var_19 = var_19 & mask_SORT_10 [L265] SORT_1 var_20_arg_0 = var_14; [L266] SORT_10 var_20_arg_1 = var_19; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_15=0, var_16=0, var_20_arg_0=0, var_20_arg_1=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L267] EXPR ((SORT_9)var_20_arg_0 << 3) | var_20_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_15=0, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L267] SORT_9 var_20 = ((SORT_9)var_20_arg_0 << 3) | var_20_arg_1; [L268] SORT_9 var_21_arg_0 = var_15; [L269] SORT_9 var_21_arg_1 = var_20; [L270] SORT_9 var_21 = var_21_arg_0 + var_21_arg_1; [L271] SORT_1 var_24_arg_0 = var_14; [L272] SORT_1 var_24_arg_1 = state_22; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_21=0, var_24_arg_0=0, var_24_arg_1=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L273] EXPR ((SORT_4)var_24_arg_0 << 1) | var_24_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_21=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L273] SORT_4 var_24 = ((SORT_4)var_24_arg_0 << 1) | var_24_arg_1; [L274] EXPR var_24 & mask_SORT_4 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_21=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L274] var_24 = var_24 & mask_SORT_4 [L275] SORT_1 var_25_arg_0 = state_22; [L276] SORT_4 var_25_arg_1 = var_24; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_21=0, var_25_arg_0=0, var_25_arg_1=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L277] EXPR ((SORT_10)var_25_arg_0 << 2) | var_25_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_21=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L277] SORT_10 var_25 = ((SORT_10)var_25_arg_0 << 2) | var_25_arg_1; [L278] EXPR var_25 & mask_SORT_10 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_21=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L278] var_25 = var_25 & mask_SORT_10 [L279] SORT_1 var_26_arg_0 = var_14; [L280] SORT_10 var_26_arg_1 = var_25; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_21=0, var_26_arg_0=0, var_26_arg_1=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L281] EXPR ((SORT_9)var_26_arg_0 << 3) | var_26_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_21=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L281] SORT_9 var_26 = ((SORT_9)var_26_arg_0 << 3) | var_26_arg_1; [L282] SORT_9 var_27_arg_0 = var_21; [L283] SORT_9 var_27_arg_1 = var_26; [L284] SORT_9 var_27 = var_27_arg_0 + var_27_arg_1; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L285] EXPR var_27 & mask_SORT_9 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L285] var_27 = var_27 & mask_SORT_9 [L286] SORT_9 var_28_arg_0 = var_27; [L287] SORT_1 var_28 = var_28_arg_0 >> 3; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L288] EXPR var_28 & mask_SORT_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L288] var_28 = var_28 & mask_SORT_1 [L289] SORT_1 var_29_arg_0 = var_28; [L290] SORT_1 var_29_arg_1 = var_14; [L291] SORT_1 var_29 = var_29_arg_0 == var_29_arg_1; [L292] SORT_9 var_30_arg_0 = var_27; [L293] SORT_4 var_30 = var_30_arg_0 >> 1; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_29=1, var_30=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L294] EXPR var_30 & mask_SORT_4 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_29=1, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L294] var_30 = var_30 & mask_SORT_4 [L295] SORT_4 var_31_arg_0 = var_30; [L296] SORT_4 var_31_arg_1 = var_16; [L297] SORT_1 var_31 = var_31_arg_0 == var_31_arg_1; [L298] SORT_1 var_32_arg_0 = var_29; [L299] SORT_1 var_32_arg_1 = var_31; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_315=1, var_32_arg_0=1, var_32_arg_1=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L300] EXPR var_32_arg_0 | var_32_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L300] SORT_1 var_32 = var_32_arg_0 | var_32_arg_1; [L301] SORT_9 var_34_arg_0 = var_27; [L302] SORT_9 var_34_arg_1 = var_33; [L303] SORT_1 var_34 = var_34_arg_0 == var_34_arg_1; [L304] SORT_1 var_35_arg_0 = var_34; [L305] SORT_1 var_35 = ~var_35_arg_0; [L306] SORT_10 var_36_arg_0 = state_12; [L307] SORT_10 var_36_arg_1 = var_11; [L308] SORT_1 var_36 = var_36_arg_0 == var_36_arg_1; [L309] SORT_1 var_37_arg_0 = var_36; [L310] SORT_1 var_37 = ~var_37_arg_0; [L311] SORT_1 var_38_arg_0 = var_35; [L312] SORT_1 var_38_arg_1 = var_37; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_315=1, var_32=1, var_33=8, var_38_arg_0=-1, var_38_arg_1=-2, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L313] EXPR var_38_arg_0 | var_38_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_315=1, var_32=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L313] SORT_1 var_38 = var_38_arg_0 | var_38_arg_1; [L314] SORT_1 var_39_arg_0 = var_32; [L315] SORT_1 var_39_arg_1 = var_38; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_315=1, var_33=8, var_39_arg_0=1, var_39_arg_1=256, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L316] EXPR var_39_arg_0 & var_39_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L316] SORT_1 var_39 = var_39_arg_0 & var_39_arg_1; [L317] SORT_9 var_41_arg_0 = var_27; [L318] SORT_9 var_41_arg_1 = var_40; [L319] SORT_1 var_41 = var_41_arg_0 == var_41_arg_1; [L320] SORT_1 var_42_arg_0 = var_41; [L321] SORT_1 var_42 = ~var_42_arg_0; [L322] SORT_10 var_43_arg_0 = state_12; [L323] SORT_10 var_43_arg_1 = var_11; [L324] SORT_1 var_43 = var_43_arg_0 == var_43_arg_1; [L325] SORT_1 var_44_arg_0 = var_43; [L326] SORT_1 var_44 = ~var_44_arg_0; [L327] SORT_4 var_45_arg_0 = state_17; [L328] SORT_4 var_45_arg_1 = var_16; [L329] SORT_1 var_45 = var_45_arg_0 == var_45_arg_1; [L330] SORT_1 var_46_arg_0 = var_45; [L331] SORT_1 var_46 = ~var_46_arg_0; [L332] SORT_1 var_47_arg_0 = var_44; [L333] SORT_1 var_47_arg_1 = var_46; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_315=1, var_33=8, var_39=0, var_40=7, var_42=-1, var_47_arg_0=-2, var_47_arg_1=-2, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L334] EXPR var_47_arg_0 | var_47_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_315=1, var_33=8, var_39=0, var_40=7, var_42=-1, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L334] SORT_1 var_47 = var_47_arg_0 | var_47_arg_1; [L335] SORT_1 var_48_arg_0 = var_42; [L336] SORT_1 var_48_arg_1 = var_47; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_315=1, var_33=8, var_39=0, var_40=7, var_48_arg_0=-1, var_48_arg_1=254, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L337] EXPR var_48_arg_0 | var_48_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_315=1, var_33=8, var_39=0, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L337] SORT_1 var_48 = var_48_arg_0 | var_48_arg_1; [L338] SORT_1 var_49_arg_0 = var_39; [L339] SORT_1 var_49_arg_1 = var_48; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_315=1, var_33=8, var_40=7, var_49_arg_0=0, var_49_arg_1=256, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L340] EXPR var_49_arg_0 & var_49_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L340] SORT_1 var_49 = var_49_arg_0 & var_49_arg_1; [L341] SORT_4 var_53_arg_0 = state_50; [L342] SORT_4 var_53_arg_1 = var_52; [L343] SORT_1 var_53 = var_53_arg_0 == var_53_arg_1; [L344] SORT_9 var_54_arg_0 = var_27; [L345] SORT_9 var_54_arg_1 = var_40; [L346] SORT_1 var_54 = var_54_arg_0 == var_54_arg_1; [L347] SORT_1 var_55_arg_0 = var_53; [L348] SORT_1 var_55_arg_1 = var_54; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_315=1, var_33=8, var_40=7, var_49=0, var_52=1, var_55_arg_0=0, var_55_arg_1=0, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L349] EXPR var_55_arg_0 & var_55_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_28=0, var_315=1, var_33=8, var_40=7, var_49=0, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L349] SORT_1 var_55 = var_55_arg_0 & var_55_arg_1; [L350] SORT_1 var_57_arg_0 = var_28; [L351] SORT_1 var_57_arg_1 = var_56; [L352] SORT_1 var_57 = var_57_arg_0 == var_57_arg_1; [L353] SORT_1 var_58_arg_0 = var_55; [L354] SORT_1 var_58_arg_1 = var_57; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_49=0, var_52=1, var_56=1, var_58_arg_0=0, var_58_arg_1=0, var_66=2, var_72=0, var_79=3, var_98=5] [L355] EXPR var_58_arg_0 | var_58_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_49=0, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L355] SORT_1 var_58 = var_58_arg_0 | var_58_arg_1; [L356] SORT_1 var_59_arg_0 = var_58; [L357] SORT_1 var_59 = ~var_59_arg_0; [L358] SORT_10 var_60_arg_0 = state_12; [L359] SORT_10 var_60_arg_1 = var_11; [L360] SORT_1 var_60 = var_60_arg_0 == var_60_arg_1; [L361] SORT_4 var_61_arg_0 = state_17; [L362] SORT_4 var_61_arg_1 = var_16; [L363] SORT_1 var_61 = var_61_arg_0 == var_61_arg_1; [L364] SORT_1 var_62_arg_0 = var_60; [L365] SORT_1 var_62_arg_1 = var_61; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_49=0, var_52=1, var_56=1, var_59=-1, var_62_arg_0=1, var_62_arg_1=1, var_66=2, var_72=0, var_79=3, var_98=5] [L366] EXPR var_62_arg_0 & var_62_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_49=0, var_52=1, var_56=1, var_59=-1, var_66=2, var_72=0, var_79=3, var_98=5] [L366] SORT_1 var_62 = var_62_arg_0 & var_62_arg_1; [L367] SORT_1 var_63_arg_0 = var_62; [L368] SORT_1 var_63 = ~var_63_arg_0; [L369] SORT_1 var_64_arg_0 = var_59; [L370] SORT_1 var_64_arg_1 = var_63; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_49=0, var_52=1, var_56=1, var_64_arg_0=-1, var_64_arg_1=-2, var_66=2, var_72=0, var_79=3, var_98=5] [L371] EXPR var_64_arg_0 | var_64_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_49=0, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L371] SORT_1 var_64 = var_64_arg_0 | var_64_arg_1; [L372] SORT_1 var_65_arg_0 = var_49; [L373] SORT_1 var_65_arg_1 = var_64; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_65_arg_0=0, var_65_arg_1=256, var_66=2, var_72=0, var_79=3, var_98=5] [L374] EXPR var_65_arg_0 & var_65_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L374] SORT_1 var_65 = var_65_arg_0 & var_65_arg_1; [L375] SORT_4 var_67_arg_0 = state_50; [L376] SORT_4 var_67_arg_1 = var_66; [L377] SORT_1 var_67 = var_67_arg_0 == var_67_arg_1; [L378] SORT_1 var_68_arg_0 = var_67; [L379] SORT_1 var_68 = ~var_68_arg_0; [L380] SORT_1 var_69_arg_0 = state_22; [L381] SORT_1 var_69_arg_1 = var_14; [L382] SORT_1 var_69 = var_69_arg_0 == var_69_arg_1; [L383] SORT_10 var_70_arg_0 = state_12; [L384] SORT_10 var_70_arg_1 = var_11; [L385] SORT_1 var_70 = var_70_arg_0 == var_70_arg_1; [L386] SORT_1 var_71_arg_0 = var_69; [L387] SORT_1 var_71_arg_1 = var_70; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_65=0, var_66=2, var_68=-1, var_71_arg_0=1, var_71_arg_1=1, var_72=0, var_79=3, var_98=5] [L388] EXPR var_71_arg_0 & var_71_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_65=0, var_66=2, var_68=-1, var_72=0, var_79=3, var_98=5] [L388] SORT_1 var_71 = var_71_arg_0 & var_71_arg_1; [L389] SORT_9 var_75_arg_0 = state_73; [L390] SORT_9 var_75_arg_1 = var_72; [L391] SORT_1 var_75 = var_75_arg_0 == var_75_arg_1; [L392] SORT_1 var_76_arg_0 = var_71; [L393] SORT_1 var_76_arg_1 = var_75; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_65=0, var_66=2, var_68=-1, var_72=0, var_76_arg_0=1, var_76_arg_1=1, var_79=3, var_98=5] [L394] EXPR var_76_arg_0 & var_76_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_65=0, var_66=2, var_68=-1, var_72=0, var_79=3, var_98=5] [L394] SORT_1 var_76 = var_76_arg_0 & var_76_arg_1; [L395] SORT_1 var_77_arg_0 = var_68; [L396] SORT_1 var_77_arg_1 = var_76; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_65=0, var_66=2, var_72=0, var_77_arg_0=-1, var_77_arg_1=1, var_79=3, var_98=5] [L397] EXPR var_77_arg_0 | var_77_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_65=0, var_66=2, var_72=0, var_79=3, var_98=5] [L397] SORT_1 var_77 = var_77_arg_0 | var_77_arg_1; [L398] SORT_1 var_78_arg_0 = var_65; [L399] SORT_1 var_78_arg_1 = var_77; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_78_arg_0=0, var_78_arg_1=256, var_79=3, var_98=5] [L400] EXPR var_78_arg_0 & var_78_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L400] SORT_1 var_78 = var_78_arg_0 & var_78_arg_1; [L401] SORT_4 var_80_arg_0 = state_50; [L402] SORT_4 var_80_arg_1 = var_79; [L403] SORT_1 var_80 = var_80_arg_0 == var_80_arg_1; [L404] SORT_1 var_81_arg_0 = var_80; [L405] SORT_1 var_81 = ~var_81_arg_0; [L406] SORT_9 var_82_arg_0 = var_27; [L407] SORT_4 var_82 = var_82_arg_0 >> 2; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_78=0, var_79=3, var_81=-1, var_82=0, var_98=5] [L408] EXPR var_82 & mask_SORT_4 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_78=0, var_79=3, var_81=-1, var_98=5] [L408] var_82 = var_82 & mask_SORT_4 [L409] SORT_4 var_83_arg_0 = var_82; [L410] SORT_4 var_83_arg_1 = var_52; [L411] SORT_1 var_83 = var_83_arg_0 == var_83_arg_1; [L412] SORT_9 var_84_arg_0 = var_27; [L413] SORT_4 var_84 = var_84_arg_0 >> 0; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_78=0, var_79=3, var_81=-1, var_83=0, var_84=0, var_98=5] [L414] EXPR var_84 & mask_SORT_4 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_78=0, var_79=3, var_81=-1, var_83=0, var_98=5] [L414] var_84 = var_84 & mask_SORT_4 [L415] SORT_4 var_85_arg_0 = var_84; [L416] SORT_4 var_85_arg_1 = var_52; [L417] SORT_1 var_85 = var_85_arg_0 == var_85_arg_1; [L418] SORT_4 var_86_arg_0 = var_84; [L419] SORT_4 var_86_arg_1 = var_66; [L420] SORT_1 var_86 = var_86_arg_0 == var_86_arg_1; [L421] SORT_1 var_87_arg_0 = var_85; [L422] SORT_1 var_87_arg_1 = var_86; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_78=0, var_79=3, var_81=-1, var_83=0, var_87_arg_0=0, var_87_arg_1=0, var_98=5] [L423] EXPR var_87_arg_0 | var_87_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_78=0, var_79=3, var_81=-1, var_83=0, var_98=5] [L423] SORT_1 var_87 = var_87_arg_0 | var_87_arg_1; [L424] SORT_1 var_88_arg_0 = var_83; [L425] SORT_1 var_88_arg_1 = var_87; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_78=0, var_79=3, var_81=-1, var_88_arg_0=0, var_88_arg_1=0, var_98=5] [L426] EXPR var_88_arg_0 & var_88_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_78=0, var_79=3, var_81=-1, var_98=5] [L426] SORT_1 var_88 = var_88_arg_0 & var_88_arg_1; [L427] SORT_1 var_89_arg_0 = var_81; [L428] SORT_1 var_89_arg_1 = var_88; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_78=0, var_79=3, var_89_arg_0=-1, var_89_arg_1=0, var_98=5] [L429] EXPR var_89_arg_0 | var_89_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_78=0, var_79=3, var_98=5] [L429] SORT_1 var_89 = var_89_arg_0 | var_89_arg_1; [L430] SORT_1 var_90_arg_0 = var_78; [L431] SORT_1 var_90_arg_1 = var_89; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_90_arg_0=0, var_90_arg_1=255, var_98=5] [L432] EXPR var_90_arg_0 & var_90_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L432] SORT_1 var_90 = var_90_arg_0 & var_90_arg_1; [L433] SORT_1 var_93_arg_0 = var_90; [L434] SORT_1 var_93 = ~var_93_arg_0; [L435] SORT_1 var_94_arg_0 = var_56; [L436] SORT_1 var_94_arg_1 = var_93; VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_94_arg_0=1, var_94_arg_1=-1, var_98=5] [L437] EXPR var_94_arg_0 & var_94_arg_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L437] SORT_1 var_94 = var_94_arg_0 & var_94_arg_1; [L438] EXPR var_94 & mask_SORT_1 VAL [input_2=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=7, mask_SORT_1=1, mask_SORT_4=3, mask_SORT_9=15, state_111=0, state_113=0, state_12=0, state_17=0, state_22=0, state_50=0, state_73=0, state_96=0, var_11=0, var_120=1, var_122=15, var_14=0, var_150=6, var_16=0, var_27=0, var_315=1, var_33=8, var_40=7, var_52=1, var_56=1, var_66=2, var_72=0, var_79=3, var_98=5] [L438] var_94 = var_94 & mask_SORT_1 [L439] SORT_1 bad_95_arg_0 = var_94; [L440] CALL __VERIFIER_assert(!(bad_95_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 323 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 27.8s, OverallIterations: 33, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 7.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16150 SdHoareTripleChecker+Valid, 5.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16150 mSDsluCounter, 77918 SdHoareTripleChecker+Invalid, 4.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 62219 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7230 IncrementalHoareTripleChecker+Invalid, 7256 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 15699 mSDtfsCounter, 7230 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 288 GetRequests, 63 SyntacticMatches, 3 SemanticMatches, 222 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 296 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2017occurred in iteration=21, InterpolantAutomatonStates: 221, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 32 MinimizatonAttempts, 3566 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.3s SatisfiabilityAnalysisTime, 15.1s InterpolantComputationTime, 3520 NumberOfCodeBlocks, 3520 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 3375 ConstructedInterpolants, 0 QuantifiedInterpolants, 14664 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 32 InterpolantComputations, 32 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-24 04:11:40,982 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vending.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.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 64bit --witnessprinter.graph.data.programhash 6b894aafaf217d6baa0c5f761ec3f51539bf2a720cb529b8ece9095e2a660f16 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 04:11:42,845 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 04:11:42,912 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-10-24 04:11:42,915 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 04:11:42,917 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 04:11:42,941 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 04:11:42,943 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 04:11:42,943 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 04:11:42,943 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 04:11:42,944 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 04:11:42,944 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 04:11:42,944 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 04:11:42,945 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 04:11:42,946 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 04:11:42,947 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 04:11:42,947 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 04:11:42,947 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 04:11:42,947 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 04:11:42,947 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 04:11:42,947 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 04:11:42,948 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 04:11:42,948 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-24 04:11:42,949 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-24 04:11:42,949 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 04:11:42,950 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-24 04:11:42,950 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 04:11:42,950 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 04:11:42,950 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 04:11:42,950 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 04:11:42,951 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 04:11:42,951 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 04:11:42,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 04:11:42,951 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 04:11:42,951 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 04:11:42,960 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 04:11:42,960 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-24 04:11:42,960 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-24 04:11:42,960 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 04:11:42,960 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 04:11:42,960 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 04:11:42,961 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 04:11:42,962 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-24 04:11:42,962 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b894aafaf217d6baa0c5f761ec3f51539bf2a720cb529b8ece9095e2a660f16 [2024-10-24 04:11:43,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 04:11:43,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 04:11:43,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 04:11:43,243 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 04:11:43,243 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 04:11:43,244 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vending.c [2024-10-24 04:11:44,476 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 04:11:44,698 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 04:11:44,698 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vending.c [2024-10-24 04:11:44,712 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d2d59698/154214d282a54738908ac2b26c933160/FLAG7a0b1f7ab [2024-10-24 04:11:44,726 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d2d59698/154214d282a54738908ac2b26c933160 [2024-10-24 04:11:44,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 04:11:44,729 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 04:11:44,745 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 04:11:44,745 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 04:11:44,750 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 04:11:44,751 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:11:44" (1/1) ... [2024-10-24 04:11:44,753 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d3d8c2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:11:44, skipping insertion in model container [2024-10-24 04:11:44,753 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:11:44" (1/1) ... [2024-10-24 04:11:44,803 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 04:11:44,972 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vending.c[1249,1262] [2024-10-24 04:11:45,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 04:11:45,205 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 04:11:45,214 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vending.c[1249,1262] [2024-10-24 04:11:45,298 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 04:11:45,313 INFO L204 MainTranslator]: Completed translation [2024-10-24 04:11:45,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:11:45 WrapperNode [2024-10-24 04:11:45,313 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 04:11:45,314 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 04:11:45,315 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 04:11:45,315 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 04:11:45,321 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:11:45" (1/1) ... [2024-10-24 04:11:45,351 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:11:45" (1/1) ... [2024-10-24 04:11:45,438 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1586 [2024-10-24 04:11:45,438 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 04:11:45,439 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 04:11:45,439 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 04:11:45,439 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 04:11:45,447 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:11:45" (1/1) ... [2024-10-24 04:11:45,447 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:11:45" (1/1) ... [2024-10-24 04:11:45,466 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:11:45" (1/1) ... [2024-10-24 04:11:45,503 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 04:11:45,503 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:11:45" (1/1) ... [2024-10-24 04:11:45,503 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:11:45" (1/1) ... [2024-10-24 04:11:45,536 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:11:45" (1/1) ... [2024-10-24 04:11:45,543 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:11:45" (1/1) ... [2024-10-24 04:11:45,551 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:11:45" (1/1) ... [2024-10-24 04:11:45,561 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:11:45" (1/1) ... [2024-10-24 04:11:45,573 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 04:11:45,574 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 04:11:45,574 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 04:11:45,574 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 04:11:45,575 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:11:45" (1/1) ... [2024-10-24 04:11:45,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 04:11:45,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 04:11:45,608 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 04:11:45,611 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 04:11:45,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 04:11:45,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-24 04:11:45,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 04:11:45,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 04:11:45,897 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 04:11:45,902 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 04:11:46,603 INFO L? ?]: Removed 272 outVars from TransFormulas that were not future-live. [2024-10-24 04:11:46,603 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 04:11:46,650 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 04:11:46,650 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 04:11:46,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:11:46 BoogieIcfgContainer [2024-10-24 04:11:46,651 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 04:11:46,652 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 04:11:46,653 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 04:11:46,655 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 04:11:46,655 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 04:11:44" (1/3) ... [2024-10-24 04:11:46,656 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c82f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:11:46, skipping insertion in model container [2024-10-24 04:11:46,656 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:11:45" (2/3) ... [2024-10-24 04:11:46,657 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c82f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:11:46, skipping insertion in model container [2024-10-24 04:11:46,657 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:11:46" (3/3) ... [2024-10-24 04:11:46,658 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_Vending.c [2024-10-24 04:11:46,673 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 04:11:46,673 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 04:11:46,722 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 04:11:46,728 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;@76e837e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 04:11:46,729 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 04:11:46,732 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:46,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-24 04:11:46,737 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:11:46,739 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-24 04:11:46,739 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:11:46,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:11:46,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1614770, now seen corresponding path program 1 times [2024-10-24 04:11:46,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 04:11:46,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [81241394] [2024-10-24 04:11:46,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:11:46,758 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 04:11:46,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 04:11:46,760 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 04:11:46,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-24 04:11:47,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:11:47,137 WARN L253 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 111 conjuncts are in the unsatisfiable core [2024-10-24 04:11:47,153 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 04:11:48,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:11:48,063 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 04:11:48,064 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 04:11:48,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [81241394] [2024-10-24 04:11:48,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [81241394] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:11:48,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:11:48,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 04:11:48,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052473335] [2024-10-24 04:11:48,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:11:48,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 04:11:48,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 04:11:48,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 04:11:48,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 04:11:48,093 INFO L87 Difference]: Start difference. First operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:48,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:11:48,221 INFO L93 Difference]: Finished difference Result 15 states and 20 transitions. [2024-10-24 04:11:48,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 04:11:48,224 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-10-24 04:11:48,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:11:48,230 INFO L225 Difference]: With dead ends: 15 [2024-10-24 04:11:48,230 INFO L226 Difference]: Without dead ends: 9 [2024-10-24 04:11:48,233 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 04:11:48,237 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 2 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 04:11:48,238 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 04:11:48,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-10-24 04:11:48,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2024-10-24 04:11:48,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:48,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2024-10-24 04:11:48,263 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2024-10-24 04:11:48,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:11:48,263 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2024-10-24 04:11:48,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:11:48,264 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2024-10-24 04:11:48,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-24 04:11:48,264 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:11:48,265 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2024-10-24 04:11:48,272 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-10-24 04:11:48,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 04:11:48,466 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:11:48,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:11:48,467 INFO L85 PathProgramCache]: Analyzing trace with hash 865745430, now seen corresponding path program 1 times [2024-10-24 04:11:48,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 04:11:48,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [154878829] [2024-10-24 04:11:48,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:11:48,468 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 04:11:48,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 04:11:48,475 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 04:11:48,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-24 04:11:49,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:11:49,096 INFO L255 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 173 conjuncts are in the unsatisfiable core [2024-10-24 04:11:49,117 INFO L278 TraceCheckSpWp]: Computing forward predicates...