./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.3.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.3.prop1-func-interl.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 8fc3a6d3b0b1431172e0209b0b104a00aac0d094097ed1d14b47359031b0c40e --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 07:46:23,985 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 07:46:24,030 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 07:46:24,037 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 07:46:24,037 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 07:46:24,064 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 07:46:24,065 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 07:46:24,065 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 07:46:24,066 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 07:46:24,066 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 07:46:24,067 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 07:46:24,067 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 07:46:24,067 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 07:46:24,067 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 07:46:24,067 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 07:46:24,068 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 07:46:24,068 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 07:46:24,068 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 07:46:24,068 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 07:46:24,068 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 07:46:24,068 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 07:46:24,068 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 07:46:24,068 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 07:46:24,068 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 07:46:24,069 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 07:46:24,069 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 07:46:24,069 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 07:46:24,069 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 07:46:24,069 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 07:46:24,069 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 07:46:24,069 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 07:46:24,069 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 07:46:24,069 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 07:46:24,069 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 07:46:24,069 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 07:46:24,069 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 07:46:24,069 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 07:46:24,069 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 07:46:24,069 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 07:46:24,069 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 07:46:24,069 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 07:46:24,070 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 07:46:24,070 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 07:46:24,070 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 07:46:24,070 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 07:46:24,070 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> 8fc3a6d3b0b1431172e0209b0b104a00aac0d094097ed1d14b47359031b0c40e [2025-01-09 07:46:24,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 07:46:24,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 07:46:24,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 07:46:24,336 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 07:46:24,336 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 07:46:24,337 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.3.prop1-func-interl.c [2025-01-09 07:46:25,530 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8c58b0cc2/c3b54ae970f6436fb3d90f57442273e0/FLAG117284937 [2025-01-09 07:46:25,865 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 07:46:25,865 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.3.prop1-func-interl.c [2025-01-09 07:46:25,888 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8c58b0cc2/c3b54ae970f6436fb3d90f57442273e0/FLAG117284937 [2025-01-09 07:46:26,094 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8c58b0cc2/c3b54ae970f6436fb3d90f57442273e0 [2025-01-09 07:46:26,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 07:46:26,098 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 07:46:26,099 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 07:46:26,099 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 07:46:26,102 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 07:46:26,102 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 07:46:26" (1/1) ... [2025-01-09 07:46:26,103 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3773ebaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:46:26, skipping insertion in model container [2025-01-09 07:46:26,103 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 07:46:26" (1/1) ... [2025-01-09 07:46:26,142 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 07:46:26,259 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.3.prop1-func-interl.c[1175,1188] [2025-01-09 07:46:26,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 07:46:26,515 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 07:46:26,524 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.3.prop1-func-interl.c[1175,1188] [2025-01-09 07:46:26,649 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 07:46:26,660 INFO L204 MainTranslator]: Completed translation [2025-01-09 07:46:26,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:46:26 WrapperNode [2025-01-09 07:46:26,662 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 07:46:26,663 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 07:46:26,663 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 07:46:26,664 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 07:46:26,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:46:26" (1/1) ... [2025-01-09 07:46:26,724 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:46:26" (1/1) ... [2025-01-09 07:46:27,104 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4885 [2025-01-09 07:46:27,105 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 07:46:27,106 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 07:46:27,106 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 07:46:27,106 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 07:46:27,112 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:46:26" (1/1) ... [2025-01-09 07:46:27,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:46:26" (1/1) ... [2025-01-09 07:46:27,252 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:46:26" (1/1) ... [2025-01-09 07:46:27,342 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]. [2025-01-09 07:46:27,343 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:46:26" (1/1) ... [2025-01-09 07:46:27,343 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:46:26" (1/1) ... [2025-01-09 07:46:27,519 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:46:26" (1/1) ... [2025-01-09 07:46:27,550 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:46:26" (1/1) ... [2025-01-09 07:46:27,585 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:46:26" (1/1) ... [2025-01-09 07:46:27,645 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:46:26" (1/1) ... [2025-01-09 07:46:27,694 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:46:26" (1/1) ... [2025-01-09 07:46:27,804 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 07:46:27,805 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 07:46:27,805 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 07:46:27,805 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 07:46:27,806 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:46:26" (1/1) ... [2025-01-09 07:46:27,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 07:46:27,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 07:46:27,829 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 07:46:27,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 07:46:27,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 07:46:27,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 07:46:27,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 07:46:27,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 07:46:28,137 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 07:46:28,138 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 07:46:31,919 INFO L? ?]: Removed 2720 outVars from TransFormulas that were not future-live. [2025-01-09 07:46:31,919 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 07:46:31,956 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 07:46:31,960 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 07:46:31,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 07:46:31 BoogieIcfgContainer [2025-01-09 07:46:31,960 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 07:46:31,962 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 07:46:31,962 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 07:46:31,965 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 07:46:31,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 07:46:26" (1/3) ... [2025-01-09 07:46:31,966 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@160bfa5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 07:46:31, skipping insertion in model container [2025-01-09 07:46:31,967 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:46:26" (2/3) ... [2025-01-09 07:46:31,967 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@160bfa5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 07:46:31, skipping insertion in model container [2025-01-09 07:46:31,968 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 07:46:31" (3/3) ... [2025-01-09 07:46:31,969 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.peterson.3.prop1-func-interl.c [2025-01-09 07:46:31,980 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 07:46:31,981 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.peterson.3.prop1-func-interl.c that has 1 procedures, 1682 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 07:46:32,060 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 07:46:32,069 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;@5e201236, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 07:46:32,070 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 07:46:32,078 INFO L276 IsEmpty]: Start isEmpty. Operand has 1682 states, 1680 states have (on average 1.499404761904762) internal successors, (2519), 1681 states have internal predecessors, (2519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 07:46:32,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-01-09 07:46:32,085 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 07:46:32,085 INFO L218 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] [2025-01-09 07:46:32,085 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 07:46:32,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 07:46:32,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1403989345, now seen corresponding path program 1 times [2025-01-09 07:46:32,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 07:46:32,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465798120] [2025-01-09 07:46:32,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 07:46:32,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 07:46:32,195 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-01-09 07:46:32,297 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-01-09 07:46:32,297 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 07:46:32,298 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 07:46:33,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 07:46:33,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 07:46:33,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465798120] [2025-01-09 07:46:33,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465798120] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 07:46:33,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 07:46:33,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 07:46:33,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087937302] [2025-01-09 07:46:33,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 07:46:33,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 07:46:33,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 07:46:33,026 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 07:46:33,027 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 07:46:33,034 INFO L87 Difference]: Start difference. First operand has 1682 states, 1680 states have (on average 1.499404761904762) internal successors, (2519), 1681 states have internal predecessors, (2519), 0 states have call successors, (0), 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 26.75) 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) [2025-01-09 07:46:33,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 07:46:33,184 INFO L93 Difference]: Finished difference Result 3249 states and 4869 transitions. [2025-01-09 07:46:33,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 07:46:33,187 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.75) 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 [2025-01-09 07:46:33,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 07:46:33,201 INFO L225 Difference]: With dead ends: 3249 [2025-01-09 07:46:33,201 INFO L226 Difference]: Without dead ends: 1681 [2025-01-09 07:46:33,205 INFO L434 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 [2025-01-09 07:46:33,207 INFO L435 NwaCegarLoop]: 2513 mSDtfsCounter, 0 mSDsluCounter, 5020 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7533 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 07:46:33,208 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7533 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 07:46:33,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1681 states. [2025-01-09 07:46:33,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1681 to 1681. [2025-01-09 07:46:33,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1681 states, 1680 states have (on average 1.4982142857142857) internal successors, (2517), 1680 states have internal predecessors, (2517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 07:46:33,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1681 states to 1681 states and 2517 transitions. [2025-01-09 07:46:33,310 INFO L78 Accepts]: Start accepts. Automaton has 1681 states and 2517 transitions. Word has length 107 [2025-01-09 07:46:33,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 07:46:33,312 INFO L471 AbstractCegarLoop]: Abstraction has 1681 states and 2517 transitions. [2025-01-09 07:46:33,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.75) 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) [2025-01-09 07:46:33,312 INFO L276 IsEmpty]: Start isEmpty. Operand 1681 states and 2517 transitions. [2025-01-09 07:46:33,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2025-01-09 07:46:33,317 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 07:46:33,317 INFO L218 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] [2025-01-09 07:46:33,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 07:46:33,318 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 07:46:33,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 07:46:33,319 INFO L85 PathProgramCache]: Analyzing trace with hash -572300919, now seen corresponding path program 1 times [2025-01-09 07:46:33,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 07:46:33,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668421094] [2025-01-09 07:46:33,320 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 07:46:33,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 07:46:33,364 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-01-09 07:46:33,393 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-01-09 07:46:33,396 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 07:46:33,396 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 07:46:33,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 07:46:33,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 07:46:33,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668421094] [2025-01-09 07:46:33,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668421094] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 07:46:33,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 07:46:33,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 07:46:33,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924705041] [2025-01-09 07:46:33,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 07:46:33,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 07:46:33,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 07:46:33,651 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 07:46:33,651 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 07:46:33,652 INFO L87 Difference]: Start difference. First operand 1681 states and 2517 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) [2025-01-09 07:46:33,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 07:46:33,717 INFO L93 Difference]: Finished difference Result 3250 states and 4867 transitions. [2025-01-09 07:46:33,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 07:46:33,718 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 [2025-01-09 07:46:33,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 07:46:33,726 INFO L225 Difference]: With dead ends: 3250 [2025-01-09 07:46:33,727 INFO L226 Difference]: Without dead ends: 1683 [2025-01-09 07:46:33,729 INFO L434 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 [2025-01-09 07:46:33,731 INFO L435 NwaCegarLoop]: 2513 mSDtfsCounter, 0 mSDsluCounter, 5016 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7529 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 07:46:33,731 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7529 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 07:46:33,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1683 states. [2025-01-09 07:46:33,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1683 to 1683. [2025-01-09 07:46:33,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1683 states, 1682 states have (on average 1.4976218787158144) internal successors, (2519), 1682 states have internal predecessors, (2519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 07:46:33,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1683 states to 1683 states and 2519 transitions. [2025-01-09 07:46:33,762 INFO L78 Accepts]: Start accepts. Automaton has 1683 states and 2519 transitions. Word has length 108 [2025-01-09 07:46:33,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 07:46:33,764 INFO L471 AbstractCegarLoop]: Abstraction has 1683 states and 2519 transitions. [2025-01-09 07:46:33,764 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) [2025-01-09 07:46:33,764 INFO L276 IsEmpty]: Start isEmpty. Operand 1683 states and 2519 transitions. [2025-01-09 07:46:33,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2025-01-09 07:46:33,767 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 07:46:33,767 INFO L218 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] [2025-01-09 07:46:33,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 07:46:33,768 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 07:46:33,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 07:46:33,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1659424584, now seen corresponding path program 1 times [2025-01-09 07:46:33,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 07:46:33,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197397667] [2025-01-09 07:46:33,771 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 07:46:33,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 07:46:33,811 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-01-09 07:46:33,837 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-01-09 07:46:33,838 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 07:46:33,838 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 07:46:34,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 07:46:34,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 07:46:34,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197397667] [2025-01-09 07:46:34,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197397667] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 07:46:34,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 07:46:34,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 07:46:34,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612864763] [2025-01-09 07:46:34,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 07:46:34,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 07:46:34,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 07:46:34,018 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 07:46:34,019 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 07:46:34,019 INFO L87 Difference]: Start difference. First operand 1683 states and 2519 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) [2025-01-09 07:46:34,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 07:46:34,083 INFO L93 Difference]: Finished difference Result 3258 states and 4877 transitions. [2025-01-09 07:46:34,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 07:46:34,084 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 [2025-01-09 07:46:34,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 07:46:34,092 INFO L225 Difference]: With dead ends: 3258 [2025-01-09 07:46:34,092 INFO L226 Difference]: Without dead ends: 1689 [2025-01-09 07:46:34,094 INFO L434 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 [2025-01-09 07:46:34,097 INFO L435 NwaCegarLoop]: 2513 mSDtfsCounter, 4 mSDsluCounter, 5010 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 7523 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 07:46:34,097 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 7523 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 07:46:34,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1689 states. [2025-01-09 07:46:34,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1689 to 1689. [2025-01-09 07:46:34,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1689 states, 1688 states have (on average 1.497037914691943) internal successors, (2527), 1688 states have internal predecessors, (2527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 07:46:34,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1689 states to 1689 states and 2527 transitions. [2025-01-09 07:46:34,129 INFO L78 Accepts]: Start accepts. Automaton has 1689 states and 2527 transitions. Word has length 109 [2025-01-09 07:46:34,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 07:46:34,130 INFO L471 AbstractCegarLoop]: Abstraction has 1689 states and 2527 transitions. [2025-01-09 07:46:34,130 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) [2025-01-09 07:46:34,130 INFO L276 IsEmpty]: Start isEmpty. Operand 1689 states and 2527 transitions. [2025-01-09 07:46:34,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2025-01-09 07:46:34,132 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 07:46:34,132 INFO L218 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] [2025-01-09 07:46:34,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 07:46:34,132 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 07:46:34,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 07:46:34,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1151503031, now seen corresponding path program 1 times [2025-01-09 07:46:34,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 07:46:34,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543790674] [2025-01-09 07:46:34,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 07:46:34,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 07:46:34,172 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-01-09 07:46:34,197 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-01-09 07:46:34,198 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 07:46:34,198 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 07:46:34,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 07:46:34,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 07:46:34,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543790674] [2025-01-09 07:46:34,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543790674] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 07:46:34,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 07:46:34,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 07:46:34,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314787097] [2025-01-09 07:46:34,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 07:46:34,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 07:46:34,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 07:46:34,426 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 07:46:34,427 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 07:46:34,427 INFO L87 Difference]: Start difference. First operand 1689 states and 2527 transitions. Second operand has 5 states, 5 states have (on average 22.0) 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) [2025-01-09 07:46:34,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 07:46:34,482 INFO L93 Difference]: Finished difference Result 3268 states and 4889 transitions. [2025-01-09 07:46:34,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 07:46:34,483 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.0) 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 [2025-01-09 07:46:34,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 07:46:34,489 INFO L225 Difference]: With dead ends: 3268 [2025-01-09 07:46:34,489 INFO L226 Difference]: Without dead ends: 1693 [2025-01-09 07:46:34,491 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 07:46:34,491 INFO L435 NwaCegarLoop]: 2513 mSDtfsCounter, 0 mSDsluCounter, 5010 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7523 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 07:46:34,491 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7523 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 07:46:34,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1693 states. [2025-01-09 07:46:34,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1693 to 1689. [2025-01-09 07:46:34,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1689 states, 1688 states have (on average 1.497037914691943) internal successors, (2527), 1688 states have internal predecessors, (2527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 07:46:34,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1689 states to 1689 states and 2527 transitions. [2025-01-09 07:46:34,516 INFO L78 Accepts]: Start accepts. Automaton has 1689 states and 2527 transitions. Word has length 110 [2025-01-09 07:46:34,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 07:46:34,516 INFO L471 AbstractCegarLoop]: Abstraction has 1689 states and 2527 transitions. [2025-01-09 07:46:34,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) 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) [2025-01-09 07:46:34,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1689 states and 2527 transitions. [2025-01-09 07:46:34,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2025-01-09 07:46:34,517 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 07:46:34,517 INFO L218 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] [2025-01-09 07:46:34,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 07:46:34,517 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 07:46:34,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 07:46:34,518 INFO L85 PathProgramCache]: Analyzing trace with hash -2049224239, now seen corresponding path program 1 times [2025-01-09 07:46:34,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 07:46:34,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571283603] [2025-01-09 07:46:34,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 07:46:34,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 07:46:34,544 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-01-09 07:46:34,570 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-01-09 07:46:34,570 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 07:46:34,570 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 07:46:34,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 07:46:34,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 07:46:34,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571283603] [2025-01-09 07:46:34,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571283603] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 07:46:34,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 07:46:34,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 07:46:34,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729939912] [2025-01-09 07:46:34,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 07:46:34,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 07:46:34,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 07:46:34,800 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 07:46:34,800 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 07:46:34,800 INFO L87 Difference]: Start difference. First operand 1689 states and 2527 transitions. Second operand has 5 states, 5 states have (on average 22.2) internal successors, (111), 5 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) [2025-01-09 07:46:36,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 07:46:36,393 INFO L93 Difference]: Finished difference Result 4823 states and 7217 transitions. [2025-01-09 07:46:36,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 07:46:36,393 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 5 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 [2025-01-09 07:46:36,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 07:46:36,402 INFO L225 Difference]: With dead ends: 4823 [2025-01-09 07:46:36,403 INFO L226 Difference]: Without dead ends: 3248 [2025-01-09 07:46:36,405 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-01-09 07:46:36,406 INFO L435 NwaCegarLoop]: 1904 mSDtfsCounter, 2399 mSDsluCounter, 5578 mSDsCounter, 0 mSdLazyCounter, 2409 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2399 SdHoareTripleChecker+Valid, 7482 SdHoareTripleChecker+Invalid, 2410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-01-09 07:46:36,406 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2399 Valid, 7482 Invalid, 2410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2409 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-01-09 07:46:36,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3248 states. [2025-01-09 07:46:36,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3248 to 1768. [2025-01-09 07:46:36,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1768 states, 1767 states have (on average 1.4963214487832484) internal successors, (2644), 1767 states have internal predecessors, (2644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 07:46:36,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1768 states to 1768 states and 2644 transitions. [2025-01-09 07:46:36,444 INFO L78 Accepts]: Start accepts. Automaton has 1768 states and 2644 transitions. Word has length 111 [2025-01-09 07:46:36,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 07:46:36,444 INFO L471 AbstractCegarLoop]: Abstraction has 1768 states and 2644 transitions. [2025-01-09 07:46:36,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 5 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) [2025-01-09 07:46:36,444 INFO L276 IsEmpty]: Start isEmpty. Operand 1768 states and 2644 transitions. [2025-01-09 07:46:36,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-01-09 07:46:36,445 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 07:46:36,445 INFO L218 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] [2025-01-09 07:46:36,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 07:46:36,445 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 07:46:36,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 07:46:36,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1132542867, now seen corresponding path program 1 times [2025-01-09 07:46:36,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 07:46:36,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182156589] [2025-01-09 07:46:36,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 07:46:36,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 07:46:36,473 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-01-09 07:46:36,501 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-01-09 07:46:36,502 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 07:46:36,502 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 07:46:36,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 07:46:36,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 07:46:36,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182156589] [2025-01-09 07:46:36,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182156589] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 07:46:36,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 07:46:36,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 07:46:36,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386723527] [2025-01-09 07:46:36,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 07:46:36,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 07:46:36,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 07:46:36,727 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 07:46:36,727 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-09 07:46:36,728 INFO L87 Difference]: Start difference. First operand 1768 states and 2644 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) [2025-01-09 07:46:37,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 07:46:37,747 INFO L93 Difference]: Finished difference Result 3343 states and 5001 transitions. [2025-01-09 07:46:37,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 07:46:37,748 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 [2025-01-09 07:46:37,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 07:46:37,753 INFO L225 Difference]: With dead ends: 3343 [2025-01-09 07:46:37,753 INFO L226 Difference]: Without dead ends: 1768 [2025-01-09 07:46:37,755 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-09 07:46:37,755 INFO L435 NwaCegarLoop]: 1894 mSDtfsCounter, 2414 mSDsluCounter, 3776 mSDsCounter, 0 mSdLazyCounter, 1859 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2414 SdHoareTripleChecker+Valid, 5670 SdHoareTripleChecker+Invalid, 1860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1859 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-01-09 07:46:37,757 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2414 Valid, 5670 Invalid, 1860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1859 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-01-09 07:46:37,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1768 states. [2025-01-09 07:46:37,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1768 to 1768. [2025-01-09 07:46:37,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1768 states, 1767 states have (on average 1.4940577249575553) internal successors, (2640), 1767 states have internal predecessors, (2640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 07:46:37,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1768 states to 1768 states and 2640 transitions. [2025-01-09 07:46:37,782 INFO L78 Accepts]: Start accepts. Automaton has 1768 states and 2640 transitions. Word has length 112 [2025-01-09 07:46:37,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 07:46:37,783 INFO L471 AbstractCegarLoop]: Abstraction has 1768 states and 2640 transitions. [2025-01-09 07:46:37,783 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) [2025-01-09 07:46:37,783 INFO L276 IsEmpty]: Start isEmpty. Operand 1768 states and 2640 transitions. [2025-01-09 07:46:37,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2025-01-09 07:46:37,784 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 07:46:37,784 INFO L218 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] [2025-01-09 07:46:37,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-09 07:46:37,784 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 07:46:37,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 07:46:37,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1068437458, now seen corresponding path program 1 times [2025-01-09 07:46:37,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 07:46:37,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046630844] [2025-01-09 07:46:37,785 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 07:46:37,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 07:46:37,808 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-01-09 07:46:37,837 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-01-09 07:46:37,840 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 07:46:37,841 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 07:46:37,841 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 07:46:37,855 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-01-09 07:46:37,874 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-01-09 07:46:37,876 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 07:46:37,876 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 07:46:37,932 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 07:46:37,932 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 07:46:37,933 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 07:46:37,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-09 07:46:37,936 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2025-01-09 07:46:38,013 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 07:46:38,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 07:46:38 BoogieIcfgContainer [2025-01-09 07:46:38,019 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 07:46:38,020 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 07:46:38,020 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 07:46:38,020 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 07:46:38,021 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 07:46:31" (3/4) ... [2025-01-09 07:46:38,022 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 07:46:38,023 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 07:46:38,024 INFO L158 Benchmark]: Toolchain (without parser) took 11925.64ms. Allocated memory was 167.8MB in the beginning and 964.7MB in the end (delta: 796.9MB). Free memory was 122.5MB in the beginning and 300.1MB in the end (delta: -177.6MB). Peak memory consumption was 624.2MB. Max. memory is 16.1GB. [2025-01-09 07:46:38,024 INFO L158 Benchmark]: CDTParser took 1.12ms. Allocated memory is still 201.3MB. Free memory is still 117.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 07:46:38,024 INFO L158 Benchmark]: CACSL2BoogieTranslator took 563.55ms. Allocated memory is still 167.8MB. Free memory was 122.5MB in the beginning and 59.2MB in the end (delta: 63.3MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2025-01-09 07:46:38,024 INFO L158 Benchmark]: Boogie Procedure Inliner took 442.29ms. Allocated memory was 167.8MB in the beginning and 184.5MB in the end (delta: 16.8MB). Free memory was 58.7MB in the beginning and 67.2MB in the end (delta: -8.5MB). Peak memory consumption was 68.7MB. Max. memory is 16.1GB. [2025-01-09 07:46:38,025 INFO L158 Benchmark]: Boogie Preprocessor took 698.15ms. Allocated memory was 184.5MB in the beginning and 419.4MB in the end (delta: 234.9MB). Free memory was 67.2MB in the beginning and 274.4MB in the end (delta: -207.3MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB. [2025-01-09 07:46:38,025 INFO L158 Benchmark]: RCFGBuilder took 4155.57ms. Allocated memory was 419.4MB in the beginning and 964.7MB in the end (delta: 545.3MB). Free memory was 274.4MB in the beginning and 755.5MB in the end (delta: -481.0MB). Peak memory consumption was 205.9MB. Max. memory is 16.1GB. [2025-01-09 07:46:38,025 INFO L158 Benchmark]: TraceAbstraction took 6057.59ms. Allocated memory is still 964.7MB. Free memory was 755.5MB in the beginning and 300.2MB in the end (delta: 455.3MB). Peak memory consumption was 450.5MB. Max. memory is 16.1GB. [2025-01-09 07:46:38,025 INFO L158 Benchmark]: Witness Printer took 2.88ms. Allocated memory is still 964.7MB. Free memory was 300.2MB in the beginning and 300.1MB in the end (delta: 83.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 07:46:38,026 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.12ms. Allocated memory is still 201.3MB. Free memory is still 117.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 563.55ms. Allocated memory is still 167.8MB. Free memory was 122.5MB in the beginning and 59.2MB in the end (delta: 63.3MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 442.29ms. Allocated memory was 167.8MB in the beginning and 184.5MB in the end (delta: 16.8MB). Free memory was 58.7MB in the beginning and 67.2MB in the end (delta: -8.5MB). Peak memory consumption was 68.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 698.15ms. Allocated memory was 184.5MB in the beginning and 419.4MB in the end (delta: 234.9MB). Free memory was 67.2MB in the beginning and 274.4MB in the end (delta: -207.3MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB. * RCFGBuilder took 4155.57ms. Allocated memory was 419.4MB in the beginning and 964.7MB in the end (delta: 545.3MB). Free memory was 274.4MB in the beginning and 755.5MB in the end (delta: -481.0MB). Peak memory consumption was 205.9MB. Max. memory is 16.1GB. * TraceAbstraction took 6057.59ms. Allocated memory is still 964.7MB. Free memory was 755.5MB in the beginning and 300.2MB in the end (delta: 455.3MB). Peak memory consumption was 450.5MB. Max. memory is 16.1GB. * Witness Printer took 2.88ms. Allocated memory is still 964.7MB. Free memory was 300.2MB in the beginning and 300.1MB in the end (delta: 83.8kB). Peak memory consumption was 8.4MB. 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 bitwiseAnd at line 225, overapproximation of bitwiseAnd at line 223. 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_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L38] const SORT_2 var_5 = 0; [L39] const SORT_1 var_30 = 0; [L40] const SORT_4 var_63 = 1; [L41] const SORT_4 var_64 = 0; [L42] const SORT_2 var_74 = 0; [L43] const SORT_3 var_90 = 0; [L44] const SORT_2 var_95 = 2; [L45] const SORT_2 var_101 = 1; [L46] const SORT_4 var_121 = 2; [L47] const SORT_4 var_229 = 3; [L48] const SORT_2 var_251 = 3; [L50] SORT_1 input_73; [L51] SORT_1 input_75; [L52] SORT_1 input_79; [L53] SORT_1 input_80; [L54] SORT_1 input_84; [L55] SORT_1 input_85; [L56] SORT_1 input_89; [L57] SORT_1 input_96; [L58] SORT_1 input_102; [L59] SORT_1 input_132; [L60] SORT_1 input_135; [L61] SORT_1 input_139; [L62] SORT_1 input_146; [L63] SORT_1 input_149; [L64] SORT_1 input_153; [L65] SORT_1 input_160; [L66] SORT_1 input_163; [L67] SORT_1 input_167; [L68] SORT_1 input_177; [L69] SORT_1 input_195; [L70] SORT_1 input_213; [L72] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L72] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L73] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L73] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L74] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L74] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L75] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L75] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L76] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L76] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L77] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L78] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L79] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L80] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L81] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L82] SORT_2 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L83] SORT_2 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L84] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L85] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L86] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L87] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L88] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L89] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L90] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L91] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L92] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L93] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L94] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L95] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L96] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L97] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L97] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L98] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_121=2, var_229=3, var_251=3, var_30=0, var_5=0, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L99] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L101] SORT_2 init_7_arg_1 = var_5; [L102] state_6 = init_7_arg_1 [L103] SORT_2 init_9_arg_1 = var_5; [L104] state_8 = init_9_arg_1 [L105] SORT_2 init_11_arg_1 = var_5; [L106] state_10 = init_11_arg_1 [L107] SORT_2 init_13_arg_1 = var_5; [L108] state_12 = init_13_arg_1 [L109] SORT_2 init_15_arg_1 = var_5; [L110] state_14 = init_15_arg_1 [L111] SORT_2 init_17_arg_1 = var_5; [L112] state_16 = init_17_arg_1 [L113] SORT_2 init_19_arg_1 = var_5; [L114] state_18 = init_19_arg_1 [L115] SORT_2 init_21_arg_1 = var_5; [L116] state_20 = init_21_arg_1 [L117] SORT_2 init_23_arg_1 = var_5; [L118] state_22 = init_23_arg_1 [L119] SORT_2 init_25_arg_1 = var_5; [L120] state_24 = init_25_arg_1 [L121] SORT_2 init_27_arg_1 = var_5; [L122] state_26 = init_27_arg_1 [L123] SORT_2 init_29_arg_1 = var_5; [L124] state_28 = init_29_arg_1 [L125] SORT_1 init_32_arg_1 = var_30; [L126] state_31 = init_32_arg_1 [L127] SORT_1 init_34_arg_1 = var_30; [L128] state_33 = init_34_arg_1 [L129] SORT_1 init_36_arg_1 = var_30; [L130] state_35 = init_36_arg_1 [L131] SORT_1 init_38_arg_1 = var_30; [L132] state_37 = init_38_arg_1 [L133] SORT_1 init_40_arg_1 = var_30; [L134] state_39 = init_40_arg_1 [L135] SORT_1 init_42_arg_1 = var_30; [L136] state_41 = init_42_arg_1 [L137] SORT_1 init_44_arg_1 = var_30; [L138] state_43 = init_44_arg_1 [L139] SORT_1 init_46_arg_1 = var_30; [L140] state_45 = init_46_arg_1 [L141] SORT_1 init_48_arg_1 = var_30; [L142] state_47 = init_48_arg_1 [L143] SORT_1 init_50_arg_1 = var_30; [L144] state_49 = init_50_arg_1 [L145] SORT_1 init_52_arg_1 = var_30; [L146] state_51 = init_52_arg_1 [L147] SORT_1 init_54_arg_1 = var_30; [L148] state_53 = init_54_arg_1 [L149] SORT_1 init_56_arg_1 = var_30; [L150] state_55 = init_56_arg_1 [L151] SORT_1 init_58_arg_1 = var_30; [L152] state_57 = init_58_arg_1 [L153] SORT_1 init_60_arg_1 = var_30; [L154] state_59 = init_60_arg_1 [L155] SORT_1 init_62_arg_1 = var_30; [L156] state_61 = init_62_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L159] input_73 = __VERIFIER_nondet_uchar() [L160] EXPR input_73 & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L160] input_73 = input_73 & mask_SORT_1 [L161] input_75 = __VERIFIER_nondet_uchar() [L162] EXPR input_75 & mask_SORT_1 VAL [input_73=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L162] input_75 = input_75 & mask_SORT_1 [L163] input_79 = __VERIFIER_nondet_uchar() [L164] EXPR input_79 & mask_SORT_1 VAL [input_73=0, input_75=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L164] input_79 = input_79 & mask_SORT_1 [L165] input_80 = __VERIFIER_nondet_uchar() [L166] EXPR input_80 & mask_SORT_1 VAL [input_73=0, input_75=0, input_79=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L166] input_80 = input_80 & mask_SORT_1 [L167] input_84 = __VERIFIER_nondet_uchar() [L168] EXPR input_84 & mask_SORT_1 VAL [input_73=0, input_75=0, input_79=0, input_80=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L168] input_84 = input_84 & mask_SORT_1 [L169] input_85 = __VERIFIER_nondet_uchar() [L170] EXPR input_85 & mask_SORT_1 VAL [input_73=0, input_75=0, input_79=0, input_80=0, input_84=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L170] input_85 = input_85 & mask_SORT_1 [L171] input_89 = __VERIFIER_nondet_uchar() [L172] EXPR input_89 & mask_SORT_1 VAL [input_73=0, input_75=0, input_79=0, input_80=0, input_84=0, input_85=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L172] input_89 = input_89 & mask_SORT_1 [L173] input_96 = __VERIFIER_nondet_uchar() [L174] EXPR input_96 & mask_SORT_1 VAL [input_73=0, input_75=0, input_79=0, input_80=0, input_84=0, input_85=0, input_89=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L174] input_96 = input_96 & mask_SORT_1 [L175] input_102 = __VERIFIER_nondet_uchar() [L176] EXPR input_102 & mask_SORT_1 VAL [input_73=0, input_75=0, input_79=0, input_80=0, input_84=0, input_85=0, input_89=0, input_96=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L176] input_102 = input_102 & mask_SORT_1 [L177] input_132 = __VERIFIER_nondet_uchar() [L178] EXPR input_132 & mask_SORT_1 VAL [input_102=0, input_73=0, input_75=0, input_79=0, input_80=0, input_84=0, input_85=0, input_89=0, input_96=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L178] input_132 = input_132 & mask_SORT_1 [L179] input_135 = __VERIFIER_nondet_uchar() [L180] EXPR input_135 & mask_SORT_1 VAL [input_102=0, input_132=0, input_73=0, input_75=0, input_79=0, input_80=0, input_84=0, input_85=0, input_89=0, input_96=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L180] input_135 = input_135 & mask_SORT_1 [L181] input_139 = __VERIFIER_nondet_uchar() [L182] EXPR input_139 & mask_SORT_1 VAL [input_102=0, input_132=0, input_135=0, input_73=0, input_75=0, input_79=0, input_80=0, input_84=0, input_85=0, input_89=0, input_96=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L182] input_139 = input_139 & mask_SORT_1 [L183] input_146 = __VERIFIER_nondet_uchar() [L184] EXPR input_146 & mask_SORT_1 VAL [input_102=0, input_132=0, input_135=0, input_139=0, input_73=0, input_75=0, input_79=0, input_80=0, input_84=0, input_85=0, input_89=0, input_96=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L184] input_146 = input_146 & mask_SORT_1 [L185] input_149 = __VERIFIER_nondet_uchar() [L186] EXPR input_149 & mask_SORT_1 VAL [input_102=0, input_132=0, input_135=0, input_139=0, input_146=0, input_73=0, input_75=0, input_79=0, input_80=0, input_84=0, input_85=0, input_89=0, input_96=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L186] input_149 = input_149 & mask_SORT_1 [L187] input_153 = __VERIFIER_nondet_uchar() [L188] EXPR input_153 & mask_SORT_1 VAL [input_102=0, input_132=0, input_135=0, input_139=0, input_146=0, input_149=0, input_73=0, input_75=0, input_79=0, input_80=0, input_84=0, input_85=0, input_89=0, input_96=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L188] input_153 = input_153 & mask_SORT_1 [L189] input_160 = __VERIFIER_nondet_uchar() [L190] EXPR input_160 & mask_SORT_1 VAL [input_102=0, input_132=0, input_135=0, input_139=0, input_146=0, input_149=0, input_153=0, input_73=0, input_75=0, input_79=0, input_80=0, input_84=0, input_85=0, input_89=0, input_96=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L190] input_160 = input_160 & mask_SORT_1 [L191] input_163 = __VERIFIER_nondet_uchar() [L192] EXPR input_163 & mask_SORT_1 VAL [input_102=0, input_132=0, input_135=0, input_139=0, input_146=0, input_149=0, input_153=0, input_160=0, input_73=0, input_75=0, input_79=0, input_80=0, input_84=0, input_85=0, input_89=0, input_96=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L192] input_163 = input_163 & mask_SORT_1 [L193] input_167 = __VERIFIER_nondet_uchar() [L194] EXPR input_167 & mask_SORT_1 VAL [input_102=0, input_132=0, input_135=0, input_139=0, input_146=0, input_149=0, input_153=0, input_160=0, input_163=0, input_73=0, input_75=0, input_79=0, input_80=0, input_84=0, input_85=0, input_89=0, input_96=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L194] input_167 = input_167 & mask_SORT_1 [L195] input_177 = __VERIFIER_nondet_uchar() [L196] input_195 = __VERIFIER_nondet_uchar() [L197] input_213 = __VERIFIER_nondet_uchar() [L200] SORT_1 var_65_arg_0 = state_33; [L201] SORT_4 var_65_arg_1 = var_63; [L202] SORT_4 var_65_arg_2 = var_64; [L203] SORT_4 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L204] SORT_1 var_66_arg_0 = state_43; [L205] SORT_4 var_66_arg_1 = var_63; [L206] SORT_4 var_66_arg_2 = var_64; [L207] SORT_4 var_66 = var_66_arg_0 ? var_66_arg_1 : var_66_arg_2; [L208] SORT_4 var_67_arg_0 = var_65; [L209] SORT_4 var_67_arg_1 = var_66; [L210] SORT_4 var_67 = var_67_arg_0 + var_67_arg_1; [L211] SORT_1 var_68_arg_0 = state_53; [L212] SORT_4 var_68_arg_1 = var_63; [L213] SORT_4 var_68_arg_2 = var_64; [L214] SORT_4 var_68 = var_68_arg_0 ? var_68_arg_1 : var_68_arg_2; [L215] SORT_4 var_69_arg_0 = var_67; [L216] SORT_4 var_69_arg_1 = var_68; [L217] SORT_4 var_69 = var_69_arg_0 + var_69_arg_1; VAL [input_102=0, input_132=0, input_135=0, input_139=0, input_146=0, input_149=0, input_153=0, input_160=0, input_163=0, input_167=0, input_73=0, input_75=0, input_79=0, input_80=0, input_84=0, input_85=0, input_89=0, input_96=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_69=0, var_74=0, var_90=0, var_95=2] [L218] EXPR var_69 & mask_SORT_4 VAL [input_102=0, input_132=0, input_135=0, input_139=0, input_146=0, input_149=0, input_153=0, input_160=0, input_163=0, input_167=0, input_73=0, input_75=0, input_79=0, input_80=0, input_84=0, input_85=0, input_89=0, input_96=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L218] var_69 = var_69 & mask_SORT_4 [L219] SORT_4 var_70_arg_0 = var_69; [L220] SORT_4 var_70_arg_1 = var_63; [L221] SORT_1 var_70 = var_70_arg_0 <= var_70_arg_1; [L222] SORT_1 var_71_arg_0 = ~state_61; VAL [input_102=0, input_132=0, input_135=0, input_139=0, input_146=0, input_149=0, input_153=0, input_160=0, input_163=0, input_167=0, input_73=0, input_75=0, input_79=0, input_80=0, input_84=0, input_85=0, input_89=0, input_96=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_70=1, var_71_arg_0=-1, var_74=0, var_90=0, var_95=2] [L223] EXPR var_71_arg_0 & mask_SORT_1 VAL [input_102=0, input_132=0, input_135=0, input_139=0, input_146=0, input_149=0, input_153=0, input_160=0, input_163=0, input_167=0, input_73=0, input_75=0, input_79=0, input_80=0, input_84=0, input_85=0, input_89=0, input_96=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_70=1, var_74=0, var_90=0, var_95=2] [L223] var_71_arg_0 = var_71_arg_0 & mask_SORT_1 [L224] SORT_1 var_71_arg_1 = ~var_70; VAL [input_102=0, input_132=0, input_135=0, input_139=0, input_146=0, input_149=0, input_153=0, input_160=0, input_163=0, input_167=0, input_73=0, input_75=0, input_79=0, input_80=0, input_84=0, input_85=0, input_89=0, input_96=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_71_arg_0=1, var_71_arg_1=-2, var_74=0, var_90=0, var_95=2] [L225] EXPR var_71_arg_1 & mask_SORT_1 VAL [input_102=0, input_132=0, input_135=0, input_139=0, input_146=0, input_149=0, input_153=0, input_160=0, input_163=0, input_167=0, input_73=0, input_75=0, input_79=0, input_80=0, input_84=0, input_85=0, input_89=0, input_96=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_71_arg_0=1, var_74=0, var_90=0, var_95=2] [L225] var_71_arg_1 = var_71_arg_1 & mask_SORT_1 [L226] EXPR var_71_arg_0 & var_71_arg_1 VAL [input_102=0, input_132=0, input_135=0, input_139=0, input_146=0, input_149=0, input_153=0, input_160=0, input_163=0, input_167=0, input_73=0, input_75=0, input_79=0, input_80=0, input_84=0, input_85=0, input_89=0, input_96=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L226] SORT_1 var_71 = var_71_arg_0 & var_71_arg_1; [L227] EXPR var_71 & mask_SORT_1 VAL [input_102=0, input_132=0, input_135=0, input_139=0, input_146=0, input_149=0, input_153=0, input_160=0, input_163=0, input_167=0, input_73=0, input_75=0, input_79=0, input_80=0, input_84=0, input_85=0, input_89=0, input_96=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L227] var_71 = var_71 & mask_SORT_1 [L228] SORT_1 bad_72_arg_0 = var_71; [L229] CALL __VERIFIER_assert(!(bad_72_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1682 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.9s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4817 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4817 mSDsluCounter, 43260 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 29410 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4337 IncrementalHoareTripleChecker+Invalid, 4340 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 13850 mSDtfsCounter, 4337 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1768occurred in iteration=5, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 1484 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 770 NumberOfCodeBlocks, 770 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 651 ConstructedInterpolants, 0 QuantifiedInterpolants, 1508 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-01-09 07:46:38,047 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.3.prop1-func-interl.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 8fc3a6d3b0b1431172e0209b0b104a00aac0d094097ed1d14b47359031b0c40e --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 07:46:40,388 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 07:46:40,500 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2025-01-09 07:46:40,505 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 07:46:40,506 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 07:46:40,525 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 07:46:40,527 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 07:46:40,528 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 07:46:40,528 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 07:46:40,528 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 07:46:40,528 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 07:46:40,529 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 07:46:40,529 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 07:46:40,529 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 07:46:40,529 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 07:46:40,530 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 07:46:40,530 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 07:46:40,530 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 07:46:40,530 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 07:46:40,530 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 07:46:40,530 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 07:46:40,530 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 07:46:40,530 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 07:46:40,530 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 07:46:40,531 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 07:46:40,531 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 07:46:40,531 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 07:46:40,531 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 07:46:40,531 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 07:46:40,531 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 07:46:40,531 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 07:46:40,531 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 07:46:40,531 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 07:46:40,532 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 07:46:40,532 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 07:46:40,532 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 07:46:40,532 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 07:46:40,532 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 07:46:40,532 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 07:46:40,532 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 07:46:40,533 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 07:46:40,533 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 07:46:40,533 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 07:46:40,533 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 07:46:40,533 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 07:46:40,533 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 07:46:40,533 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 07:46:40,533 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> 8fc3a6d3b0b1431172e0209b0b104a00aac0d094097ed1d14b47359031b0c40e [2025-01-09 07:46:40,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 07:46:40,829 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 07:46:40,831 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 07:46:40,836 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 07:46:40,836 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 07:46:40,837 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.3.prop1-func-interl.c [2025-01-09 07:46:42,018 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/51af04272/36528b92243c4486aea551d5bfce5c10/FLAG1dbeca89f [2025-01-09 07:46:42,328 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 07:46:42,333 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.3.prop1-func-interl.c [2025-01-09 07:46:42,351 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/51af04272/36528b92243c4486aea551d5bfce5c10/FLAG1dbeca89f [2025-01-09 07:46:42,591 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/51af04272/36528b92243c4486aea551d5bfce5c10 [2025-01-09 07:46:42,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 07:46:42,594 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 07:46:42,595 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 07:46:42,595 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 07:46:42,598 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 07:46:42,598 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 07:46:42" (1/1) ... [2025-01-09 07:46:42,599 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ea2e571 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:46:42, skipping insertion in model container [2025-01-09 07:46:42,599 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 07:46:42" (1/1) ... [2025-01-09 07:46:42,637 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 07:46:42,778 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.3.prop1-func-interl.c[1175,1188] [2025-01-09 07:46:42,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 07:46:43,008 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 07:46:43,016 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.3.prop1-func-interl.c[1175,1188] [2025-01-09 07:46:43,115 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 07:46:43,126 INFO L204 MainTranslator]: Completed translation [2025-01-09 07:46:43,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:46:43 WrapperNode [2025-01-09 07:46:43,128 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 07:46:43,129 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 07:46:43,129 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 07:46:43,129 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 07:46:43,134 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:46:43" (1/1) ... [2025-01-09 07:46:43,154 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:46:43" (1/1) ... [2025-01-09 07:46:43,260 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1541 [2025-01-09 07:46:43,261 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 07:46:43,261 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 07:46:43,261 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 07:46:43,261 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 07:46:43,270 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:46:43" (1/1) ... [2025-01-09 07:46:43,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:46:43" (1/1) ... [2025-01-09 07:46:43,277 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:46:43" (1/1) ... [2025-01-09 07:46:43,312 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]. [2025-01-09 07:46:43,315 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:46:43" (1/1) ... [2025-01-09 07:46:43,316 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:46:43" (1/1) ... [2025-01-09 07:46:43,346 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:46:43" (1/1) ... [2025-01-09 07:46:43,350 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:46:43" (1/1) ... [2025-01-09 07:46:43,359 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:46:43" (1/1) ... [2025-01-09 07:46:43,369 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:46:43" (1/1) ... [2025-01-09 07:46:43,376 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:46:43" (1/1) ... [2025-01-09 07:46:43,391 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 07:46:43,392 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 07:46:43,392 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 07:46:43,392 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 07:46:43,393 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:46:43" (1/1) ... [2025-01-09 07:46:43,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 07:46:43,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 07:46:43,431 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 07:46:43,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 07:46:43,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 07:46:43,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 07:46:43,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 07:46:43,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 07:46:43,734 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 07:46:43,735 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 07:46:44,731 INFO L? ?]: Removed 86 outVars from TransFormulas that were not future-live. [2025-01-09 07:46:44,731 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 07:46:44,737 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 07:46:44,738 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 07:46:44,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 07:46:44 BoogieIcfgContainer [2025-01-09 07:46:44,738 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 07:46:44,739 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 07:46:44,740 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 07:46:44,758 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 07:46:44,759 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 07:46:42" (1/3) ... [2025-01-09 07:46:44,760 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@168f6c63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 07:46:44, skipping insertion in model container [2025-01-09 07:46:44,760 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:46:43" (2/3) ... [2025-01-09 07:46:44,760 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@168f6c63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 07:46:44, skipping insertion in model container [2025-01-09 07:46:44,760 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 07:46:44" (3/3) ... [2025-01-09 07:46:44,762 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.peterson.3.prop1-func-interl.c [2025-01-09 07:46:44,771 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 07:46:44,773 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.peterson.3.prop1-func-interl.c that has 1 procedures, 10 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 07:46:44,806 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 07:46:44,816 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;@1548ab54, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 07:46:44,816 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 07:46:44,818 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 07:46:44,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-01-09 07:46:44,821 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 07:46:44,822 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-01-09 07:46:44,822 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 07:46:44,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 07:46:44,825 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2025-01-09 07:46:44,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 07:46:44,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [182330895] [2025-01-09 07:46:44,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 07:46:44,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 07:46:44,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 07:46:44,836 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 07:46:44,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-09 07:46:45,067 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-09 07:46:45,094 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-09 07:46:45,094 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 07:46:45,094 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 07:46:45,103 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-01-09 07:46:45,116 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 07:46:45,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 07:46:45,346 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 07:46:45,347 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 07:46:45,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [182330895] [2025-01-09 07:46:45,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [182330895] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 07:46:45,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 07:46:45,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 07:46:45,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329157730] [2025-01-09 07:46:45,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 07:46:45,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 07:46:45,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 07:46:45,363 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 07:46:45,364 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 07:46:45,365 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 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 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 07:46:45,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 07:46:45,492 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2025-01-09 07:46:45,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 07:46:45,495 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 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 5 [2025-01-09 07:46:45,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 07:46:45,499 INFO L225 Difference]: With dead ends: 18 [2025-01-09 07:46:45,499 INFO L226 Difference]: Without dead ends: 10 [2025-01-09 07:46:45,500 INFO L434 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 [2025-01-09 07:46:45,502 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 07:46:45,504 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 07:46:45,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2025-01-09 07:46:45,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2025-01-09 07:46:45,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 07:46:45,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2025-01-09 07:46:45,525 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2025-01-09 07:46:45,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 07:46:45,525 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2025-01-09 07:46:45,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 07:46:45,525 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2025-01-09 07:46:45,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-01-09 07:46:45,526 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 07:46:45,526 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2025-01-09 07:46:45,534 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-09 07:46:45,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 07:46:45,731 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 07:46:45,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 07:46:45,732 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2025-01-09 07:46:45,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 07:46:45,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [874065718] [2025-01-09 07:46:45,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 07:46:45,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 07:46:45,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 07:46:45,735 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 07:46:45,737 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-09 07:46:46,045 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-09 07:46:46,122 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-09 07:46:46,122 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 07:46:46,122 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 07:46:46,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 48 conjuncts are in the unsatisfiable core [2025-01-09 07:46:46,142 INFO L279 TraceCheckSpWp]: Computing forward predicates...