./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.3.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d 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.lamport.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 b40fd28e7ab866ebfa545571c21572e184c6ab303d37931a984a360989d0153b --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 23:19:07,210 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 23:19:07,292 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-07 23:19:07,298 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 23:19:07,299 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 23:19:07,325 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 23:19:07,327 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 23:19:07,327 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 23:19:07,328 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 23:19:07,328 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 23:19:07,328 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 23:19:07,328 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 23:19:07,328 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 23:19:07,329 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 23:19:07,329 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 23:19:07,329 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 23:19:07,330 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 23:19:07,330 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 23:19:07,330 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 23:19:07,330 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 23:19:07,330 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 23:19:07,330 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 23:19:07,330 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 23:19:07,330 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 23:19:07,331 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 23:19:07,331 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 23:19:07,331 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 23:19:07,331 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 23:19:07,331 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 23:19:07,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 23:19:07,331 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 23:19:07,331 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 23:19:07,331 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 23:19:07,331 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 23:19:07,331 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 23:19:07,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 23:19:07,331 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 23:19:07,331 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 23:19:07,331 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 23:19:07,332 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 23:19:07,332 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 -> b40fd28e7ab866ebfa545571c21572e184c6ab303d37931a984a360989d0153b [2025-02-07 23:19:07,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 23:19:07,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 23:19:07,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 23:19:07,678 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 23:19:07,679 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 23:19:07,680 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.3.prop1-func-interl.c [2025-02-07 23:19:08,980 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0e63a7f7e/e77302b5664e433ebff642d6ca9e16d8/FLAG5e46e2020 [2025-02-07 23:19:09,369 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 23:19:09,369 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.3.prop1-func-interl.c [2025-02-07 23:19:09,391 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0e63a7f7e/e77302b5664e433ebff642d6ca9e16d8/FLAG5e46e2020 [2025-02-07 23:19:09,411 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0e63a7f7e/e77302b5664e433ebff642d6ca9e16d8 [2025-02-07 23:19:09,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 23:19:09,415 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 23:19:09,416 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 23:19:09,416 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 23:19:09,420 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 23:19:09,421 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 11:19:09" (1/1) ... [2025-02-07 23:19:09,423 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@649a78e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:19:09, skipping insertion in model container [2025-02-07 23:19:09,424 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 11:19:09" (1/1) ... [2025-02-07 23:19:09,485 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 23:19:09,679 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.lamport.3.prop1-func-interl.c[1174,1187] [2025-02-07 23:19:10,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 23:19:10,086 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 23:19:10,097 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.lamport.3.prop1-func-interl.c[1174,1187] [2025-02-07 23:19:10,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 23:19:10,355 INFO L204 MainTranslator]: Completed translation [2025-02-07 23:19:10,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:19:10 WrapperNode [2025-02-07 23:19:10,357 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 23:19:10,358 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 23:19:10,358 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 23:19:10,358 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 23:19:10,364 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:19:10" (1/1) ... [2025-02-07 23:19:10,420 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:19:10" (1/1) ... [2025-02-07 23:19:11,216 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 7844 [2025-02-07 23:19:11,217 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 23:19:11,218 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 23:19:11,218 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 23:19:11,218 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 23:19:11,226 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:19:10" (1/1) ... [2025-02-07 23:19:11,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:19:10" (1/1) ... [2025-02-07 23:19:11,490 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:19:10" (1/1) ... [2025-02-07 23:19:11,608 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]. [2025-02-07 23:19:11,608 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:19:10" (1/1) ... [2025-02-07 23:19:11,608 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:19:10" (1/1) ... [2025-02-07 23:19:11,853 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:19:10" (1/1) ... [2025-02-07 23:19:11,890 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:19:10" (1/1) ... [2025-02-07 23:19:11,928 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:19:10" (1/1) ... [2025-02-07 23:19:11,960 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:19:10" (1/1) ... [2025-02-07 23:19:12,061 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 23:19:12,062 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 23:19:12,062 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 23:19:12,062 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 23:19:12,063 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:19:10" (1/1) ... [2025-02-07 23:19:12,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 23:19:12,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 23:19:12,096 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) [2025-02-07 23:19:12,102 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 [2025-02-07 23:19:12,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 23:19:12,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-07 23:19:12,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 23:19:12,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 23:19:12,697 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 23:19:12,699 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 23:19:22,991 INFO L? ?]: Removed 4437 outVars from TransFormulas that were not future-live. [2025-02-07 23:19:22,991 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 23:19:23,485 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 23:19:23,493 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 23:19:23,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 11:19:23 BoogieIcfgContainer [2025-02-07 23:19:23,499 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 23:19:23,505 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 23:19:23,505 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 23:19:23,511 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 23:19:23,511 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 11:19:09" (1/3) ... [2025-02-07 23:19:23,512 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f819350 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 11:19:23, skipping insertion in model container [2025-02-07 23:19:23,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:19:10" (2/3) ... [2025-02-07 23:19:23,513 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f819350 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 11:19:23, skipping insertion in model container [2025-02-07 23:19:23,513 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 11:19:23" (3/3) ... [2025-02-07 23:19:23,515 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.lamport.3.prop1-func-interl.c [2025-02-07 23:19:23,539 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 23:19:23,541 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.lamport.3.prop1-func-interl.c that has 1 procedures, 2760 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-07 23:19:23,790 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 23:19:23,813 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;@20e15b3f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 23:19:23,815 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 23:19:23,849 INFO L276 IsEmpty]: Start isEmpty. Operand has 2760 states, 2758 states have (on average 1.5007251631617113) internal successors, (4139), 2759 states have internal predecessors, (4139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 23:19:23,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2025-02-07 23:19:23,875 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 23:19:23,876 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 23:19:23,876 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 23:19:23,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 23:19:23,944 INFO L85 PathProgramCache]: Analyzing trace with hash -193678312, now seen corresponding path program 1 times [2025-02-07 23:19:23,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 23:19:23,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712647892] [2025-02-07 23:19:23,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 23:19:23,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 23:19:24,136 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 140 statements into 1 equivalence classes. [2025-02-07 23:19:24,336 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 140 of 140 statements. [2025-02-07 23:19:24,339 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 23:19:24,339 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 23:19:25,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 23:19:25,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 23:19:25,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712647892] [2025-02-07 23:19:25,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712647892] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 23:19:25,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 23:19:25,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-07 23:19:25,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314038044] [2025-02-07 23:19:25,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 23:19:25,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-07 23:19:25,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 23:19:25,282 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-07 23:19:25,283 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-07 23:19:25,293 INFO L87 Difference]: Start difference. First operand has 2760 states, 2758 states have (on average 1.5007251631617113) internal successors, (4139), 2759 states have internal predecessors, (4139), 0 states have call successors, (0), 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 35.0) internal successors, (140), 4 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 23:19:27,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 23:19:27,002 INFO L93 Difference]: Finished difference Result 5363 states and 8045 transitions. [2025-02-07 23:19:27,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-07 23:19:27,005 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 140 [2025-02-07 23:19:27,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 23:19:27,041 INFO L225 Difference]: With dead ends: 5363 [2025-02-07 23:19:27,041 INFO L226 Difference]: Without dead ends: 2760 [2025-02-07 23:19:27,055 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 [2025-02-07 23:19:27,060 INFO L435 NwaCegarLoop]: 3447 mSDtfsCounter, 0 mSDsluCounter, 6889 mSDsCounter, 0 mSdLazyCounter, 2071 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10336 SdHoareTripleChecker+Invalid, 2071 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2071 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-02-07 23:19:27,061 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10336 Invalid, 2071 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2071 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-02-07 23:19:27,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2760 states. [2025-02-07 23:19:27,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2760 to 2760. [2025-02-07 23:19:27,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2760 states, 2759 states have (on average 1.4998187749184486) internal successors, (4138), 2759 states have internal predecessors, (4138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 23:19:27,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2760 states to 2760 states and 4138 transitions. [2025-02-07 23:19:27,300 INFO L78 Accepts]: Start accepts. Automaton has 2760 states and 4138 transitions. Word has length 140 [2025-02-07 23:19:27,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 23:19:27,303 INFO L471 AbstractCegarLoop]: Abstraction has 2760 states and 4138 transitions. [2025-02-07 23:19:27,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 23:19:27,304 INFO L276 IsEmpty]: Start isEmpty. Operand 2760 states and 4138 transitions. [2025-02-07 23:19:27,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2025-02-07 23:19:27,309 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 23:19:27,309 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 23:19:27,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-07 23:19:27,309 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 23:19:27,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 23:19:27,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1704376892, now seen corresponding path program 1 times [2025-02-07 23:19:27,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 23:19:27,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250622702] [2025-02-07 23:19:27,311 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 23:19:27,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 23:19:27,366 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes. [2025-02-07 23:19:27,405 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements. [2025-02-07 23:19:27,407 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 23:19:27,407 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 23:19:27,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 23:19:27,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 23:19:27,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250622702] [2025-02-07 23:19:27,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250622702] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 23:19:27,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 23:19:27,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-07 23:19:27,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132859230] [2025-02-07 23:19:27,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 23:19:27,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-07 23:19:27,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 23:19:27,732 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-07 23:19:27,732 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-07 23:19:27,733 INFO L87 Difference]: Start difference. First operand 2760 states and 4138 transitions. Second operand has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 23:19:29,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 23:19:29,088 INFO L93 Difference]: Finished difference Result 5365 states and 8044 transitions. [2025-02-07 23:19:29,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-07 23:19:29,089 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 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 141 [2025-02-07 23:19:29,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 23:19:29,106 INFO L225 Difference]: With dead ends: 5365 [2025-02-07 23:19:29,107 INFO L226 Difference]: Without dead ends: 2762 [2025-02-07 23:19:29,113 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 [2025-02-07 23:19:29,114 INFO L435 NwaCegarLoop]: 3447 mSDtfsCounter, 0 mSDsluCounter, 6886 mSDsCounter, 0 mSdLazyCounter, 2074 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10333 SdHoareTripleChecker+Invalid, 2074 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-02-07 23:19:29,115 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10333 Invalid, 2074 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2074 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-02-07 23:19:29,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2762 states. [2025-02-07 23:19:29,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2762 to 2762. [2025-02-07 23:19:29,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2762 states, 2761 states have (on average 1.4994567185802246) internal successors, (4140), 2761 states have internal predecessors, (4140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 23:19:29,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 4140 transitions. [2025-02-07 23:19:29,205 INFO L78 Accepts]: Start accepts. Automaton has 2762 states and 4140 transitions. Word has length 141 [2025-02-07 23:19:29,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 23:19:29,207 INFO L471 AbstractCegarLoop]: Abstraction has 2762 states and 4140 transitions. [2025-02-07 23:19:29,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 23:19:29,207 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 4140 transitions. [2025-02-07 23:19:29,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2025-02-07 23:19:29,209 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 23:19:29,209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 23:19:29,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-07 23:19:29,210 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 23:19:29,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 23:19:29,210 INFO L85 PathProgramCache]: Analyzing trace with hash 635437459, now seen corresponding path program 1 times [2025-02-07 23:19:29,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 23:19:29,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251305519] [2025-02-07 23:19:29,210 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 23:19:29,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 23:19:29,282 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-02-07 23:19:29,316 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-02-07 23:19:29,316 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 23:19:29,317 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 23:19:29,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 23:19:29,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 23:19:29,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251305519] [2025-02-07 23:19:29,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251305519] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 23:19:29,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 23:19:29,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-07 23:19:29,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577542875] [2025-02-07 23:19:29,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 23:19:29,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-07 23:19:29,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 23:19:29,588 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-07 23:19:29,588 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-07 23:19:29,588 INFO L87 Difference]: Start difference. First operand 2762 states and 4140 transitions. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 23:19:31,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 23:19:31,052 INFO L93 Difference]: Finished difference Result 5369 states and 8048 transitions. [2025-02-07 23:19:31,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-07 23:19:31,056 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 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 142 [2025-02-07 23:19:31,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 23:19:31,069 INFO L225 Difference]: With dead ends: 5369 [2025-02-07 23:19:31,069 INFO L226 Difference]: Without dead ends: 2764 [2025-02-07 23:19:31,074 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 [2025-02-07 23:19:31,077 INFO L435 NwaCegarLoop]: 3447 mSDtfsCounter, 0 mSDsluCounter, 6881 mSDsCounter, 0 mSdLazyCounter, 2079 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10328 SdHoareTripleChecker+Invalid, 2079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-02-07 23:19:31,078 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10328 Invalid, 2079 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2079 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-02-07 23:19:31,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2764 states. [2025-02-07 23:19:31,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2764 to 2764. [2025-02-07 23:19:31,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2764 states, 2763 states have (on average 1.4990951863916033) internal successors, (4142), 2763 states have internal predecessors, (4142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 23:19:31,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2764 states to 2764 states and 4142 transitions. [2025-02-07 23:19:31,150 INFO L78 Accepts]: Start accepts. Automaton has 2764 states and 4142 transitions. Word has length 142 [2025-02-07 23:19:31,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 23:19:31,151 INFO L471 AbstractCegarLoop]: Abstraction has 2764 states and 4142 transitions. [2025-02-07 23:19:31,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 23:19:31,151 INFO L276 IsEmpty]: Start isEmpty. Operand 2764 states and 4142 transitions. [2025-02-07 23:19:31,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2025-02-07 23:19:31,154 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 23:19:31,154 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 23:19:31,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-07 23:19:31,154 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 23:19:31,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 23:19:31,155 INFO L85 PathProgramCache]: Analyzing trace with hash 112091593, now seen corresponding path program 1 times [2025-02-07 23:19:31,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 23:19:31,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795039159] [2025-02-07 23:19:31,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 23:19:31,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 23:19:31,211 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-02-07 23:19:31,250 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-02-07 23:19:31,250 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 23:19:31,251 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 23:19:31,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 23:19:31,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 23:19:31,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795039159] [2025-02-07 23:19:31,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795039159] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 23:19:31,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 23:19:31,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-07 23:19:31,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293682821] [2025-02-07 23:19:31,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 23:19:31,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-07 23:19:31,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 23:19:31,525 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-07 23:19:31,525 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-07 23:19:31,525 INFO L87 Difference]: Start difference. First operand 2764 states and 4142 transitions. Second operand has 4 states, 4 states have (on average 35.75) internal successors, (143), 4 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 23:19:32,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 23:19:32,894 INFO L93 Difference]: Finished difference Result 5379 states and 8060 transitions. [2025-02-07 23:19:32,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-07 23:19:32,897 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.75) internal successors, (143), 4 states have internal predecessors, (143), 0 states have call successors, (0), 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 143 [2025-02-07 23:19:32,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 23:19:32,908 INFO L225 Difference]: With dead ends: 5379 [2025-02-07 23:19:32,908 INFO L226 Difference]: Without dead ends: 2772 [2025-02-07 23:19:32,912 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 [2025-02-07 23:19:32,914 INFO L435 NwaCegarLoop]: 3447 mSDtfsCounter, 3 mSDsluCounter, 6881 mSDsCounter, 0 mSdLazyCounter, 2079 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 10328 SdHoareTripleChecker+Invalid, 2079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-02-07 23:19:32,915 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 10328 Invalid, 2079 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2079 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-02-07 23:19:32,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2772 states. [2025-02-07 23:19:32,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2772 to 2768. [2025-02-07 23:19:32,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2768 states, 2767 states have (on average 1.4990964943982652) internal successors, (4148), 2767 states have internal predecessors, (4148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 23:19:32,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2768 states to 2768 states and 4148 transitions. [2025-02-07 23:19:32,972 INFO L78 Accepts]: Start accepts. Automaton has 2768 states and 4148 transitions. Word has length 143 [2025-02-07 23:19:32,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 23:19:32,973 INFO L471 AbstractCegarLoop]: Abstraction has 2768 states and 4148 transitions. [2025-02-07 23:19:32,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.75) internal successors, (143), 4 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 23:19:32,973 INFO L276 IsEmpty]: Start isEmpty. Operand 2768 states and 4148 transitions. [2025-02-07 23:19:32,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2025-02-07 23:19:32,974 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 23:19:32,974 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 23:19:32,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-07 23:19:32,975 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 23:19:32,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 23:19:32,975 INFO L85 PathProgramCache]: Analyzing trace with hash -120326130, now seen corresponding path program 1 times [2025-02-07 23:19:32,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 23:19:32,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815007095] [2025-02-07 23:19:32,976 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 23:19:32,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 23:19:33,020 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-02-07 23:19:33,075 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-02-07 23:19:33,079 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 23:19:33,080 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 23:19:33,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 23:19:33,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 23:19:33,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815007095] [2025-02-07 23:19:33,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815007095] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 23:19:33,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 23:19:33,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-07 23:19:33,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52264696] [2025-02-07 23:19:33,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 23:19:33,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-07 23:19:33,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 23:19:33,414 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-07 23:19:33,414 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-07 23:19:33,414 INFO L87 Difference]: Start difference. First operand 2768 states and 4148 transitions. Second operand has 5 states, 5 states have (on average 28.8) internal successors, (144), 4 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 23:19:36,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 23:19:36,802 INFO L93 Difference]: Finished difference Result 7974 states and 11950 transitions. [2025-02-07 23:19:36,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-07 23:19:36,803 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 4 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 144 [2025-02-07 23:19:36,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 23:19:36,820 INFO L225 Difference]: With dead ends: 7974 [2025-02-07 23:19:36,820 INFO L226 Difference]: Without dead ends: 5363 [2025-02-07 23:19:36,825 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-07 23:19:36,825 INFO L435 NwaCegarLoop]: 2756 mSDtfsCounter, 3987 mSDsluCounter, 8158 mSDsCounter, 0 mSdLazyCounter, 5395 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3987 SdHoareTripleChecker+Valid, 10914 SdHoareTripleChecker+Invalid, 5396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2025-02-07 23:19:36,825 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3987 Valid, 10914 Invalid, 5396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5395 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2025-02-07 23:19:36,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5363 states. [2025-02-07 23:19:36,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5363 to 2871. [2025-02-07 23:19:36,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2871 states, 2870 states have (on average 1.4986062717770035) internal successors, (4301), 2870 states have internal predecessors, (4301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 23:19:36,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2871 states to 2871 states and 4301 transitions. [2025-02-07 23:19:36,894 INFO L78 Accepts]: Start accepts. Automaton has 2871 states and 4301 transitions. Word has length 144 [2025-02-07 23:19:36,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 23:19:36,895 INFO L471 AbstractCegarLoop]: Abstraction has 2871 states and 4301 transitions. [2025-02-07 23:19:36,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 4 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 23:19:36,895 INFO L276 IsEmpty]: Start isEmpty. Operand 2871 states and 4301 transitions. [2025-02-07 23:19:36,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2025-02-07 23:19:36,896 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 23:19:36,896 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 23:19:36,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-07 23:19:36,897 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 23:19:36,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 23:19:36,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1698763474, now seen corresponding path program 1 times [2025-02-07 23:19:36,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 23:19:36,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982705284] [2025-02-07 23:19:36,897 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 23:19:36,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 23:19:36,936 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 145 statements into 1 equivalence classes. [2025-02-07 23:19:36,969 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 145 of 145 statements. [2025-02-07 23:19:36,970 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 23:19:36,970 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 23:19:37,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 23:19:37,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 23:19:37,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982705284] [2025-02-07 23:19:37,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982705284] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 23:19:37,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 23:19:37,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-07 23:19:37,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308534796] [2025-02-07 23:19:37,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 23:19:37,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-07 23:19:37,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 23:19:37,254 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-07 23:19:37,255 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-07 23:19:37,255 INFO L87 Difference]: Start difference. First operand 2871 states and 4301 transitions. Second operand has 5 states, 5 states have (on average 29.0) internal successors, (145), 4 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 23:19:39,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 23:19:39,362 INFO L93 Difference]: Finished difference Result 5482 states and 8214 transitions. [2025-02-07 23:19:39,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-07 23:19:39,363 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.0) internal successors, (145), 4 states have internal predecessors, (145), 0 states have call successors, (0), 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 145 [2025-02-07 23:19:39,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 23:19:39,370 INFO L225 Difference]: With dead ends: 5482 [2025-02-07 23:19:39,370 INFO L226 Difference]: Without dead ends: 2871 [2025-02-07 23:19:39,372 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 [2025-02-07 23:19:39,373 INFO L435 NwaCegarLoop]: 2748 mSDtfsCounter, 4001 mSDsluCounter, 5486 mSDsCounter, 0 mSdLazyCounter, 4159 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4001 SdHoareTripleChecker+Valid, 8234 SdHoareTripleChecker+Invalid, 4160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2025-02-07 23:19:39,373 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4001 Valid, 8234 Invalid, 4160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4159 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2025-02-07 23:19:39,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2871 states. [2025-02-07 23:19:39,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2871 to 2871. [2025-02-07 23:19:39,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2871 states, 2870 states have (on average 1.497212543554007) internal successors, (4297), 2870 states have internal predecessors, (4297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 23:19:39,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2871 states to 2871 states and 4297 transitions. [2025-02-07 23:19:39,418 INFO L78 Accepts]: Start accepts. Automaton has 2871 states and 4297 transitions. Word has length 145 [2025-02-07 23:19:39,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 23:19:39,418 INFO L471 AbstractCegarLoop]: Abstraction has 2871 states and 4297 transitions. [2025-02-07 23:19:39,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.0) internal successors, (145), 4 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 23:19:39,418 INFO L276 IsEmpty]: Start isEmpty. Operand 2871 states and 4297 transitions. [2025-02-07 23:19:39,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2025-02-07 23:19:39,420 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 23:19:39,420 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 23:19:39,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-07 23:19:39,420 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 23:19:39,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 23:19:39,421 INFO L85 PathProgramCache]: Analyzing trace with hash -391625286, now seen corresponding path program 1 times [2025-02-07 23:19:39,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 23:19:39,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48845140] [2025-02-07 23:19:39,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 23:19:39,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 23:19:39,458 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-02-07 23:19:39,493 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-02-07 23:19:39,494 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 23:19:39,494 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 23:19:39,494 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-07 23:19:39,514 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-02-07 23:19:39,547 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-02-07 23:19:39,548 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 23:19:39,548 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 23:19:39,648 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-07 23:19:39,649 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-07 23:19:39,650 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-07 23:19:39,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-07 23:19:39,654 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2025-02-07 23:19:39,743 WARN L310 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2025-02-07 23:19:39,772 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 23:19:39,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 11:19:39 BoogieIcfgContainer [2025-02-07 23:19:39,778 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 23:19:39,779 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 23:19:39,779 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 23:19:39,779 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 23:19:39,780 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 11:19:23" (3/4) ... [2025-02-07 23:19:39,783 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-07 23:19:39,783 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 23:19:39,784 INFO L158 Benchmark]: Toolchain (without parser) took 30369.17ms. Allocated memory was 167.8MB in the beginning and 830.5MB in the end (delta: 662.7MB). Free memory was 121.7MB in the beginning and 408.9MB in the end (delta: -287.2MB). Peak memory consumption was 381.8MB. Max. memory is 16.1GB. [2025-02-07 23:19:39,784 INFO L158 Benchmark]: CDTParser took 1.54ms. Allocated memory is still 201.3MB. Free memory is still 117.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 23:19:39,784 INFO L158 Benchmark]: CACSL2BoogieTranslator took 941.40ms. Allocated memory was 167.8MB in the beginning and 176.2MB in the end (delta: 8.4MB). Free memory was 121.2MB in the beginning and 95.5MB in the end (delta: 25.7MB). Peak memory consumption was 124.8MB. Max. memory is 16.1GB. [2025-02-07 23:19:39,785 INFO L158 Benchmark]: Boogie Procedure Inliner took 859.49ms. Allocated memory was 176.2MB in the beginning and 419.4MB in the end (delta: 243.3MB). Free memory was 95.5MB in the beginning and 205.0MB in the end (delta: -109.4MB). Peak memory consumption was 142.2MB. Max. memory is 16.1GB. [2025-02-07 23:19:39,785 INFO L158 Benchmark]: Boogie Preprocessor took 843.17ms. Allocated memory is still 419.4MB. Free memory was 205.0MB in the beginning and 152.9MB in the end (delta: 52.1MB). Peak memory consumption was 82.3MB. Max. memory is 16.1GB. [2025-02-07 23:19:39,785 INFO L158 Benchmark]: IcfgBuilder took 11440.48ms. Allocated memory was 419.4MB in the beginning and 989.9MB in the end (delta: 570.4MB). Free memory was 152.9MB in the beginning and 697.5MB in the end (delta: -544.7MB). Peak memory consumption was 573.3MB. Max. memory is 16.1GB. [2025-02-07 23:19:39,785 INFO L158 Benchmark]: TraceAbstraction took 16273.43ms. Allocated memory was 989.9MB in the beginning and 830.5MB in the end (delta: -159.4MB). Free memory was 693.3MB in the beginning and 409.0MB in the end (delta: 284.4MB). Peak memory consumption was 125.0MB. Max. memory is 16.1GB. [2025-02-07 23:19:39,785 INFO L158 Benchmark]: Witness Printer took 4.62ms. Allocated memory is still 830.5MB. Free memory was 409.0MB in the beginning and 408.9MB in the end (delta: 30.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 23:19:39,787 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.54ms. Allocated memory is still 201.3MB. Free memory is still 117.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 941.40ms. Allocated memory was 167.8MB in the beginning and 176.2MB in the end (delta: 8.4MB). Free memory was 121.2MB in the beginning and 95.5MB in the end (delta: 25.7MB). Peak memory consumption was 124.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 859.49ms. Allocated memory was 176.2MB in the beginning and 419.4MB in the end (delta: 243.3MB). Free memory was 95.5MB in the beginning and 205.0MB in the end (delta: -109.4MB). Peak memory consumption was 142.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 843.17ms. Allocated memory is still 419.4MB. Free memory was 205.0MB in the beginning and 152.9MB in the end (delta: 52.1MB). Peak memory consumption was 82.3MB. Max. memory is 16.1GB. * IcfgBuilder took 11440.48ms. Allocated memory was 419.4MB in the beginning and 989.9MB in the end (delta: 570.4MB). Free memory was 152.9MB in the beginning and 697.5MB in the end (delta: -544.7MB). Peak memory consumption was 573.3MB. Max. memory is 16.1GB. * TraceAbstraction took 16273.43ms. Allocated memory was 989.9MB in the beginning and 830.5MB in the end (delta: -159.4MB). Free memory was 693.3MB in the beginning and 409.0MB in the end (delta: 284.4MB). Peak memory consumption was 125.0MB. Max. memory is 16.1GB. * Witness Printer took 4.62ms. Allocated memory is still 830.5MB. Free memory was 409.0MB in the beginning and 408.9MB in the end (delta: 30.1kB). 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 306, overapproximation of bitwiseAnd at line 304. 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_22 = 0; [L40] const SORT_4 var_85 = 1; [L41] const SORT_4 var_86 = 0; [L42] const SORT_2 var_96 = 0; [L43] const SORT_2 var_100 = 1; [L44] const SORT_2 var_124 = 255; [L45] const SORT_2 var_126 = 2; [L46] const SORT_3 var_151 = 0; [L47] const SORT_4 var_320 = 3; [L48] const SORT_2 var_331 = 3; [L50] SORT_1 input_95; [L51] SORT_1 input_97; [L52] SORT_1 input_98; [L53] SORT_1 input_99; [L54] SORT_1 input_106; [L55] SORT_1 input_107; [L56] SORT_1 input_108; [L57] SORT_1 input_109; [L58] SORT_1 input_115; [L59] SORT_1 input_116; [L60] SORT_1 input_117; [L61] SORT_1 input_118; [L62] SORT_1 input_125; [L63] SORT_1 input_127; [L64] SORT_1 input_128; [L65] SORT_1 input_135; [L66] SORT_1 input_136; [L67] SORT_1 input_137; [L68] SORT_1 input_138; [L69] SORT_1 input_139; [L70] SORT_1 input_140; [L71] SORT_1 input_150; [L72] SORT_1 input_158; [L73] SORT_1 input_165; [L74] SORT_1 input_173; [L75] SORT_1 input_175; [L76] SORT_1 input_179; [L77] SORT_1 input_181; [L78] SORT_1 input_190; [L79] SORT_1 input_204; [L80] SORT_1 input_215; [L81] SORT_1 input_217; [L82] SORT_1 input_221; [L83] SORT_1 input_223; [L84] SORT_1 input_232; [L85] SORT_1 input_246; [L86] SORT_1 input_257; [L87] SORT_1 input_259; [L88] SORT_1 input_263; [L89] SORT_1 input_265; [L90] SORT_1 input_274; [L91] SORT_1 input_288; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L93] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L94] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L95] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L96] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L97] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L97] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L98] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L99] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L100] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L101] SORT_1 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L102] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L102] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L103] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L103] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L104] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L104] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L105] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L106] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L107] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L107] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L108] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L109] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L110] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L111] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L112] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L113] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L114] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L114] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L115] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L116] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L116] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L117] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L118] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L119] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L120] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L120] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L121] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L121] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L122] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L122] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L123] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L124] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L124] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L125] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L125] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L126] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L126] SORT_1 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L127] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L127] SORT_1 state_75 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L128] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L128] SORT_1 state_77 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L129] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L129] SORT_1 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L130] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L130] SORT_1 state_81 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L131] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_100=1, var_124=255, var_126=2, var_151=0, var_22=0, var_320=3, var_331=3, var_5=0, var_85=1, var_86=0, var_96=0] [L131] SORT_1 state_83 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L133] SORT_2 init_7_arg_1 = var_5; [L134] state_6 = init_7_arg_1 [L135] SORT_2 init_9_arg_1 = var_5; [L136] state_8 = init_9_arg_1 [L137] SORT_2 init_11_arg_1 = var_5; [L138] state_10 = init_11_arg_1 [L139] SORT_2 init_13_arg_1 = var_5; [L140] state_12 = init_13_arg_1 [L141] SORT_2 init_15_arg_1 = var_5; [L142] state_14 = init_15_arg_1 [L143] SORT_2 init_17_arg_1 = var_5; [L144] state_16 = init_17_arg_1 [L145] SORT_2 init_19_arg_1 = var_5; [L146] state_18 = init_19_arg_1 [L147] SORT_2 init_21_arg_1 = var_5; [L148] state_20 = init_21_arg_1 [L149] SORT_1 init_24_arg_1 = var_22; [L150] state_23 = init_24_arg_1 [L151] SORT_1 init_26_arg_1 = var_22; [L152] state_25 = init_26_arg_1 [L153] SORT_1 init_28_arg_1 = var_22; [L154] state_27 = init_28_arg_1 [L155] SORT_1 init_30_arg_1 = var_22; [L156] state_29 = init_30_arg_1 [L157] SORT_1 init_32_arg_1 = var_22; [L158] state_31 = init_32_arg_1 [L159] SORT_1 init_34_arg_1 = var_22; [L160] state_33 = init_34_arg_1 [L161] SORT_1 init_36_arg_1 = var_22; [L162] state_35 = init_36_arg_1 [L163] SORT_1 init_38_arg_1 = var_22; [L164] state_37 = init_38_arg_1 [L165] SORT_1 init_40_arg_1 = var_22; [L166] state_39 = init_40_arg_1 [L167] SORT_1 init_42_arg_1 = var_22; [L168] state_41 = init_42_arg_1 [L169] SORT_1 init_44_arg_1 = var_22; [L170] state_43 = init_44_arg_1 [L171] SORT_1 init_46_arg_1 = var_22; [L172] state_45 = init_46_arg_1 [L173] SORT_1 init_48_arg_1 = var_22; [L174] state_47 = init_48_arg_1 [L175] SORT_1 init_50_arg_1 = var_22; [L176] state_49 = init_50_arg_1 [L177] SORT_1 init_52_arg_1 = var_22; [L178] state_51 = init_52_arg_1 [L179] SORT_1 init_54_arg_1 = var_22; [L180] state_53 = init_54_arg_1 [L181] SORT_1 init_56_arg_1 = var_22; [L182] state_55 = init_56_arg_1 [L183] SORT_1 init_58_arg_1 = var_22; [L184] state_57 = init_58_arg_1 [L185] SORT_1 init_60_arg_1 = var_22; [L186] state_59 = init_60_arg_1 [L187] SORT_1 init_62_arg_1 = var_22; [L188] state_61 = init_62_arg_1 [L189] SORT_1 init_64_arg_1 = var_22; [L190] state_63 = init_64_arg_1 [L191] SORT_1 init_66_arg_1 = var_22; [L192] state_65 = init_66_arg_1 [L193] SORT_1 init_68_arg_1 = var_22; [L194] state_67 = init_68_arg_1 [L195] SORT_1 init_70_arg_1 = var_22; [L196] state_69 = init_70_arg_1 [L197] SORT_1 init_72_arg_1 = var_22; [L198] state_71 = init_72_arg_1 [L199] SORT_1 init_74_arg_1 = var_22; [L200] state_73 = init_74_arg_1 [L201] SORT_1 init_76_arg_1 = var_22; [L202] state_75 = init_76_arg_1 [L203] SORT_1 init_78_arg_1 = var_22; [L204] state_77 = init_78_arg_1 [L205] SORT_1 init_80_arg_1 = var_22; [L206] state_79 = init_80_arg_1 [L207] SORT_1 init_82_arg_1 = var_22; [L208] state_81 = init_82_arg_1 [L209] SORT_1 init_84_arg_1 = var_22; [L210] state_83 = init_84_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_23=0, state_25=0, state_27=0, state_29=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_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L213] input_95 = __VERIFIER_nondet_uchar() [L214] EXPR input_95 & 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_23=0, state_25=0, state_27=0, state_29=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_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L214] input_95 = input_95 & mask_SORT_1 [L215] input_97 = __VERIFIER_nondet_uchar() [L216] EXPR input_97 & mask_SORT_1 VAL [input_95=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_23=0, state_25=0, state_27=0, state_29=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_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L216] input_97 = input_97 & mask_SORT_1 [L217] input_98 = __VERIFIER_nondet_uchar() [L218] EXPR input_98 & mask_SORT_1 VAL [input_95=0, input_97=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_23=0, state_25=0, state_27=0, state_29=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_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L218] input_98 = input_98 & mask_SORT_1 [L219] input_99 = __VERIFIER_nondet_uchar() [L220] EXPR input_99 & mask_SORT_1 VAL [input_95=0, input_97=0, input_98=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_23=0, state_25=0, state_27=0, state_29=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_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L220] input_99 = input_99 & mask_SORT_1 [L221] input_106 = __VERIFIER_nondet_uchar() [L222] EXPR input_106 & mask_SORT_1 VAL [input_95=0, input_97=0, input_98=0, input_99=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_23=0, state_25=0, state_27=0, state_29=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_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L222] input_106 = input_106 & mask_SORT_1 [L223] input_107 = __VERIFIER_nondet_uchar() [L224] EXPR input_107 & mask_SORT_1 VAL [input_106=0, input_95=0, input_97=0, input_98=0, input_99=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_23=0, state_25=0, state_27=0, state_29=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_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L224] input_107 = input_107 & mask_SORT_1 [L225] input_108 = __VERIFIER_nondet_uchar() [L226] EXPR input_108 & mask_SORT_1 VAL [input_106=0, input_107=0, input_95=0, input_97=0, input_98=0, input_99=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_23=0, state_25=0, state_27=0, state_29=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_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L226] input_108 = input_108 & mask_SORT_1 [L227] input_109 = __VERIFIER_nondet_uchar() [L228] EXPR input_109 & mask_SORT_1 VAL [input_106=0, input_107=0, input_108=0, input_95=0, input_97=0, input_98=0, input_99=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_23=0, state_25=0, state_27=0, state_29=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_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L228] input_109 = input_109 & mask_SORT_1 [L229] input_115 = __VERIFIER_nondet_uchar() [L230] EXPR input_115 & mask_SORT_1 VAL [input_106=0, input_107=0, input_108=0, input_109=0, input_95=0, input_97=0, input_98=0, input_99=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_23=0, state_25=0, state_27=0, state_29=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_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L230] input_115 = input_115 & mask_SORT_1 [L231] input_116 = __VERIFIER_nondet_uchar() [L232] EXPR input_116 & mask_SORT_1 VAL [input_106=0, input_107=0, input_108=0, input_109=0, input_115=0, input_95=0, input_97=0, input_98=0, input_99=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_23=0, state_25=0, state_27=0, state_29=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_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L232] input_116 = input_116 & mask_SORT_1 [L233] input_117 = __VERIFIER_nondet_uchar() [L234] EXPR input_117 & mask_SORT_1 VAL [input_106=0, input_107=0, input_108=0, input_109=0, input_115=0, input_116=0, input_95=0, input_97=0, input_98=0, input_99=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_23=0, state_25=0, state_27=0, state_29=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_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L234] input_117 = input_117 & mask_SORT_1 [L235] input_118 = __VERIFIER_nondet_uchar() [L236] EXPR input_118 & mask_SORT_1 VAL [input_106=0, input_107=0, input_108=0, input_109=0, input_115=0, input_116=0, input_117=0, input_95=0, input_97=0, input_98=0, input_99=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_23=0, state_25=0, state_27=0, state_29=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_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L236] input_118 = input_118 & mask_SORT_1 [L237] input_125 = __VERIFIER_nondet_uchar() [L238] EXPR input_125 & mask_SORT_1 VAL [input_106=0, input_107=0, input_108=0, input_109=0, input_115=0, input_116=0, input_117=0, input_118=0, input_95=0, input_97=0, input_98=0, input_99=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_23=0, state_25=0, state_27=0, state_29=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_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L238] input_125 = input_125 & mask_SORT_1 [L239] input_127 = __VERIFIER_nondet_uchar() [L240] EXPR input_127 & mask_SORT_1 VAL [input_106=0, input_107=0, input_108=0, input_109=0, input_115=0, input_116=0, input_117=0, input_118=0, input_125=0, input_95=0, input_97=0, input_98=0, input_99=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_23=0, state_25=0, state_27=0, state_29=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_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L240] input_127 = input_127 & mask_SORT_1 [L241] input_128 = __VERIFIER_nondet_uchar() [L242] EXPR input_128 & mask_SORT_1 VAL [input_106=0, input_107=0, input_108=0, input_109=0, input_115=0, input_116=0, input_117=0, input_118=0, input_125=0, input_127=0, input_95=0, input_97=0, input_98=0, input_99=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_23=0, state_25=0, state_27=0, state_29=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_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L242] input_128 = input_128 & mask_SORT_1 [L243] input_135 = __VERIFIER_nondet_uchar() [L244] EXPR input_135 & mask_SORT_1 VAL [input_106=0, input_107=0, input_108=0, input_109=0, input_115=0, input_116=0, input_117=0, input_118=0, input_125=0, input_127=0, input_128=0, input_95=0, input_97=0, input_98=0, input_99=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_23=0, state_25=0, state_27=0, state_29=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_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L244] input_135 = input_135 & mask_SORT_1 [L245] input_136 = __VERIFIER_nondet_uchar() [L246] EXPR input_136 & mask_SORT_1 VAL [input_106=0, input_107=0, input_108=0, input_109=0, input_115=0, input_116=0, input_117=0, input_118=0, input_125=0, input_127=0, input_128=0, input_135=0, input_95=0, input_97=0, input_98=0, input_99=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_23=0, state_25=0, state_27=0, state_29=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_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L246] input_136 = input_136 & mask_SORT_1 [L247] input_137 = __VERIFIER_nondet_uchar() [L248] EXPR input_137 & mask_SORT_1 VAL [input_106=0, input_107=0, input_108=0, input_109=0, input_115=0, input_116=0, input_117=0, input_118=0, input_125=0, input_127=0, input_128=0, input_135=0, input_136=0, input_95=0, input_97=0, input_98=0, input_99=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_23=0, state_25=0, state_27=0, state_29=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_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L248] input_137 = input_137 & mask_SORT_1 [L249] input_138 = __VERIFIER_nondet_uchar() [L250] EXPR input_138 & mask_SORT_1 VAL [input_106=0, input_107=0, input_108=0, input_109=0, input_115=0, input_116=0, input_117=0, input_118=0, input_125=0, input_127=0, input_128=0, input_135=0, input_136=0, input_137=0, input_95=0, input_97=0, input_98=0, input_99=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_23=0, state_25=0, state_27=0, state_29=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_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L250] input_138 = input_138 & mask_SORT_1 [L251] input_139 = __VERIFIER_nondet_uchar() [L252] EXPR input_139 & mask_SORT_1 VAL [input_106=0, input_107=0, input_108=0, input_109=0, input_115=0, input_116=0, input_117=0, input_118=0, input_125=0, input_127=0, input_128=0, input_135=0, input_136=0, input_137=0, input_138=0, input_95=0, input_97=0, input_98=0, input_99=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_23=0, state_25=0, state_27=0, state_29=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_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L252] input_139 = input_139 & mask_SORT_1 [L253] input_140 = __VERIFIER_nondet_uchar() [L254] EXPR input_140 & mask_SORT_1 VAL [input_106=0, input_107=0, input_108=0, input_109=0, input_115=0, input_116=0, input_117=0, input_118=0, input_125=0, input_127=0, input_128=0, input_135=0, input_136=0, input_137=0, input_138=0, input_139=0, input_95=0, input_97=0, input_98=0, input_99=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_23=0, state_25=0, state_27=0, state_29=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_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L254] input_140 = input_140 & mask_SORT_1 [L255] input_150 = __VERIFIER_nondet_uchar() [L256] EXPR input_150 & mask_SORT_1 VAL [input_106=0, input_107=0, input_108=0, input_109=0, input_115=0, input_116=0, input_117=0, input_118=0, input_125=0, input_127=0, input_128=0, input_135=0, input_136=0, input_137=0, input_138=0, input_139=0, input_140=0, input_95=0, input_97=0, input_98=0, input_99=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_23=0, state_25=0, state_27=0, state_29=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_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L256] input_150 = input_150 & mask_SORT_1 [L257] input_158 = __VERIFIER_nondet_uchar() [L258] EXPR input_158 & mask_SORT_1 VAL [input_106=0, input_107=0, input_108=0, input_109=0, input_115=0, input_116=0, input_117=0, input_118=0, input_125=0, input_127=0, input_128=0, input_135=0, input_136=0, input_137=0, input_138=0, input_139=0, input_140=0, input_150=0, input_95=0, input_97=0, input_98=0, input_99=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_23=0, state_25=0, state_27=0, state_29=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_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L258] input_158 = input_158 & mask_SORT_1 [L259] input_165 = __VERIFIER_nondet_uchar() [L260] EXPR input_165 & mask_SORT_1 VAL [input_106=0, input_107=0, input_108=0, input_109=0, input_115=0, input_116=0, input_117=0, input_118=0, input_125=0, input_127=0, input_128=0, input_135=0, input_136=0, input_137=0, input_138=0, input_139=0, input_140=0, input_150=0, input_158=0, input_95=0, input_97=0, input_98=0, input_99=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_23=0, state_25=0, state_27=0, state_29=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_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L260] input_165 = input_165 & mask_SORT_1 [L261] input_173 = __VERIFIER_nondet_uchar() [L262] input_175 = __VERIFIER_nondet_uchar() [L263] input_179 = __VERIFIER_nondet_uchar() [L264] input_181 = __VERIFIER_nondet_uchar() [L265] input_190 = __VERIFIER_nondet_uchar() [L266] input_204 = __VERIFIER_nondet_uchar() [L267] input_215 = __VERIFIER_nondet_uchar() [L268] input_217 = __VERIFIER_nondet_uchar() [L269] input_221 = __VERIFIER_nondet_uchar() [L270] input_223 = __VERIFIER_nondet_uchar() [L271] input_232 = __VERIFIER_nondet_uchar() [L272] input_246 = __VERIFIER_nondet_uchar() [L273] input_257 = __VERIFIER_nondet_uchar() [L274] input_259 = __VERIFIER_nondet_uchar() [L275] input_263 = __VERIFIER_nondet_uchar() [L276] input_265 = __VERIFIER_nondet_uchar() [L277] input_274 = __VERIFIER_nondet_uchar() [L278] input_288 = __VERIFIER_nondet_uchar() [L281] SORT_1 var_87_arg_0 = state_25; [L282] SORT_4 var_87_arg_1 = var_85; [L283] SORT_4 var_87_arg_2 = var_86; [L284] SORT_4 var_87 = var_87_arg_0 ? var_87_arg_1 : var_87_arg_2; [L285] SORT_1 var_88_arg_0 = state_45; [L286] SORT_4 var_88_arg_1 = var_85; [L287] SORT_4 var_88_arg_2 = var_86; [L288] SORT_4 var_88 = var_88_arg_0 ? var_88_arg_1 : var_88_arg_2; [L289] SORT_4 var_89_arg_0 = var_87; [L290] SORT_4 var_89_arg_1 = var_88; [L291] SORT_4 var_89 = var_89_arg_0 + var_89_arg_1; [L292] SORT_1 var_90_arg_0 = state_65; [L293] SORT_4 var_90_arg_1 = var_85; [L294] SORT_4 var_90_arg_2 = var_86; [L295] SORT_4 var_90 = var_90_arg_0 ? var_90_arg_1 : var_90_arg_2; [L296] SORT_4 var_91_arg_0 = var_89; [L297] SORT_4 var_91_arg_1 = var_90; [L298] SORT_4 var_91 = var_91_arg_0 + var_91_arg_1; VAL [input_106=0, input_107=0, input_108=0, input_109=0, input_115=0, input_116=0, input_117=0, input_118=0, input_125=0, input_127=0, input_128=0, input_135=0, input_136=0, input_137=0, input_138=0, input_139=0, input_140=0, input_150=0, input_158=0, input_165=0, input_95=0, input_97=0, input_98=0, input_99=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_23=0, state_25=0, state_27=0, state_29=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_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_91=0, var_96=0] [L299] EXPR var_91 & mask_SORT_4 VAL [input_106=0, input_107=0, input_108=0, input_109=0, input_115=0, input_116=0, input_117=0, input_118=0, input_125=0, input_127=0, input_128=0, input_135=0, input_136=0, input_137=0, input_138=0, input_139=0, input_140=0, input_150=0, input_158=0, input_165=0, input_95=0, input_97=0, input_98=0, input_99=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_23=0, state_25=0, state_27=0, state_29=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_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L299] var_91 = var_91 & mask_SORT_4 [L300] SORT_4 var_92_arg_0 = var_91; [L301] SORT_4 var_92_arg_1 = var_85; [L302] SORT_1 var_92 = var_92_arg_0 <= var_92_arg_1; [L303] SORT_1 var_93_arg_0 = ~state_83; VAL [input_106=0, input_107=0, input_108=0, input_109=0, input_115=0, input_116=0, input_117=0, input_118=0, input_125=0, input_127=0, input_128=0, input_135=0, input_136=0, input_137=0, input_138=0, input_139=0, input_140=0, input_150=0, input_158=0, input_165=0, input_95=0, input_97=0, input_98=0, input_99=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_23=0, state_25=0, state_27=0, state_29=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_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_92=1, var_93_arg_0=-1, var_96=0] [L304] EXPR var_93_arg_0 & mask_SORT_1 VAL [input_106=0, input_107=0, input_108=0, input_109=0, input_115=0, input_116=0, input_117=0, input_118=0, input_125=0, input_127=0, input_128=0, input_135=0, input_136=0, input_137=0, input_138=0, input_139=0, input_140=0, input_150=0, input_158=0, input_165=0, input_95=0, input_97=0, input_98=0, input_99=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_23=0, state_25=0, state_27=0, state_29=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_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_92=1, var_96=0] [L304] var_93_arg_0 = var_93_arg_0 & mask_SORT_1 [L305] SORT_1 var_93_arg_1 = ~var_92; VAL [input_106=0, input_107=0, input_108=0, input_109=0, input_115=0, input_116=0, input_117=0, input_118=0, input_125=0, input_127=0, input_128=0, input_135=0, input_136=0, input_137=0, input_138=0, input_139=0, input_140=0, input_150=0, input_158=0, input_165=0, input_95=0, input_97=0, input_98=0, input_99=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_23=0, state_25=0, state_27=0, state_29=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_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_93_arg_0=1, var_93_arg_1=-2, var_96=0] [L306] EXPR var_93_arg_1 & mask_SORT_1 VAL [input_106=0, input_107=0, input_108=0, input_109=0, input_115=0, input_116=0, input_117=0, input_118=0, input_125=0, input_127=0, input_128=0, input_135=0, input_136=0, input_137=0, input_138=0, input_139=0, input_140=0, input_150=0, input_158=0, input_165=0, input_95=0, input_97=0, input_98=0, input_99=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_23=0, state_25=0, state_27=0, state_29=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_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_93_arg_0=1, var_96=0] [L306] var_93_arg_1 = var_93_arg_1 & mask_SORT_1 [L307] EXPR var_93_arg_0 & var_93_arg_1 VAL [input_106=0, input_107=0, input_108=0, input_109=0, input_115=0, input_116=0, input_117=0, input_118=0, input_125=0, input_127=0, input_128=0, input_135=0, input_136=0, input_137=0, input_138=0, input_139=0, input_140=0, input_150=0, input_158=0, input_165=0, input_95=0, input_97=0, input_98=0, input_99=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_23=0, state_25=0, state_27=0, state_29=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_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L307] SORT_1 var_93 = var_93_arg_0 & var_93_arg_1; [L308] EXPR var_93 & mask_SORT_1 VAL [input_106=0, input_107=0, input_108=0, input_109=0, input_115=0, input_116=0, input_117=0, input_118=0, input_125=0, input_127=0, input_128=0, input_135=0, input_136=0, input_137=0, input_138=0, input_139=0, input_140=0, input_150=0, input_158=0, input_165=0, input_95=0, input_97=0, input_98=0, input_99=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_23=0, state_25=0, state_27=0, state_29=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_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_100=1, var_124=255, var_126=2, var_151=0, var_320=3, var_331=3, var_85=1, var_86=0, var_96=0] [L308] var_93 = var_93 & mask_SORT_1 [L309] SORT_1 bad_94_arg_0 = var_93; [L310] CALL __VERIFIER_assert(!(bad_94_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 2760 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.0s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 11.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7991 SdHoareTripleChecker+Valid, 10.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7991 mSDsluCounter, 60473 SdHoareTripleChecker+Invalid, 8.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 41181 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17857 IncrementalHoareTripleChecker+Invalid, 17859 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 19292 mSDtfsCounter, 17857 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2871occurred 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: 0.6s AutomataMinimizationTime, 6 MinimizatonAttempts, 2496 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 1001 NumberOfCodeBlocks, 1001 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 849 ConstructedInterpolants, 0 QuantifiedInterpolants, 1972 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 [2025-02-07 23:19:39,818 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/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.lamport.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 b40fd28e7ab866ebfa545571c21572e184c6ab303d37931a984a360989d0153b --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 23:19:42,090 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 23:19:42,173 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2025-02-07 23:19:42,182 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 23:19:42,182 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 23:19:42,211 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 23:19:42,212 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 23:19:42,212 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 23:19:42,212 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 23:19:42,212 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 23:19:42,213 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 23:19:42,213 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 23:19:42,213 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 23:19:42,213 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 23:19:42,213 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 23:19:42,214 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 23:19:42,214 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 23:19:42,214 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 23:19:42,214 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 23:19:42,214 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 23:19:42,214 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 23:19:42,214 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-07 23:19:42,214 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-07 23:19:42,215 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-07 23:19:42,215 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 23:19:42,215 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 23:19:42,215 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 23:19:42,215 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 23:19:42,215 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 23:19:42,215 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 23:19:42,215 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 23:19:42,216 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 23:19:42,216 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 23:19:42,216 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 23:19:42,216 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 23:19:42,216 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 23:19:42,216 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-07 23:19:42,216 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-07 23:19:42,216 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 23:19:42,216 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 23:19:42,216 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 23:19:42,216 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 23:19:42,216 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 -> b40fd28e7ab866ebfa545571c21572e184c6ab303d37931a984a360989d0153b [2025-02-07 23:19:42,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 23:19:42,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 23:19:42,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 23:19:42,499 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 23:19:42,501 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 23:19:42,502 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.3.prop1-func-interl.c [2025-02-07 23:19:43,805 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/15504bb99/35ed70facf524cf88587686f9ba8efeb/FLAG71108d5bc [2025-02-07 23:19:44,141 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 23:19:44,145 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.3.prop1-func-interl.c [2025-02-07 23:19:44,167 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/15504bb99/35ed70facf524cf88587686f9ba8efeb/FLAG71108d5bc [2025-02-07 23:19:44,186 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/15504bb99/35ed70facf524cf88587686f9ba8efeb [2025-02-07 23:19:44,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 23:19:44,190 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 23:19:44,191 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 23:19:44,191 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 23:19:44,195 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 23:19:44,196 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 11:19:44" (1/1) ... [2025-02-07 23:19:44,198 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40e5b021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:19:44, skipping insertion in model container [2025-02-07 23:19:44,198 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 11:19:44" (1/1) ... [2025-02-07 23:19:44,260 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 23:19:44,438 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.lamport.3.prop1-func-interl.c[1174,1187] [2025-02-07 23:19:44,737 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 23:19:44,755 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 23:19:44,767 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.lamport.3.prop1-func-interl.c[1174,1187] [2025-02-07 23:19:44,950 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 23:19:44,963 INFO L204 MainTranslator]: Completed translation [2025-02-07 23:19:44,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:19:44 WrapperNode [2025-02-07 23:19:44,965 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 23:19:44,966 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 23:19:44,966 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 23:19:44,966 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 23:19:44,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:19:44" (1/1) ... [2025-02-07 23:19:45,022 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:19:44" (1/1) ... [2025-02-07 23:19:45,124 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2340 [2025-02-07 23:19:45,125 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 23:19:45,125 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 23:19:45,125 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 23:19:45,126 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 23:19:45,134 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:19:44" (1/1) ... [2025-02-07 23:19:45,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:19:44" (1/1) ... [2025-02-07 23:19:45,150 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:19:44" (1/1) ... [2025-02-07 23:19:45,205 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]. [2025-02-07 23:19:45,205 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:19:44" (1/1) ... [2025-02-07 23:19:45,205 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:19:44" (1/1) ... [2025-02-07 23:19:45,266 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:19:44" (1/1) ... [2025-02-07 23:19:45,272 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:19:44" (1/1) ... [2025-02-07 23:19:45,283 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:19:44" (1/1) ... [2025-02-07 23:19:45,293 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:19:44" (1/1) ... [2025-02-07 23:19:45,313 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 23:19:45,315 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 23:19:45,315 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 23:19:45,315 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 23:19:45,316 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:19:44" (1/1) ... [2025-02-07 23:19:45,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 23:19:45,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 23:19:45,369 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) [2025-02-07 23:19:45,372 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 [2025-02-07 23:19:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 23:19:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-07 23:19:45,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 23:19:45,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 23:19:45,756 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 23:19:45,758 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 23:19:48,005 INFO L? ?]: Removed 116 outVars from TransFormulas that were not future-live. [2025-02-07 23:19:48,006 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 23:19:48,014 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 23:19:48,015 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 23:19:48,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 11:19:48 BoogieIcfgContainer [2025-02-07 23:19:48,015 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 23:19:48,018 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 23:19:48,018 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 23:19:48,022 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 23:19:48,022 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 11:19:44" (1/3) ... [2025-02-07 23:19:48,022 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1146710 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 11:19:48, skipping insertion in model container [2025-02-07 23:19:48,023 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:19:44" (2/3) ... [2025-02-07 23:19:48,023 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1146710 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 11:19:48, skipping insertion in model container [2025-02-07 23:19:48,023 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 11:19:48" (3/3) ... [2025-02-07 23:19:48,024 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.lamport.3.prop1-func-interl.c [2025-02-07 23:19:48,037 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 23:19:48,038 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.lamport.3.prop1-func-interl.c that has 1 procedures, 8 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-07 23:19:48,078 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 23:19:48,088 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;@fe9291d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 23:19:48,088 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 23:19:48,093 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.5) internal successors, (9), 7 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) [2025-02-07 23:19:48,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-07 23:19:48,097 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 23:19:48,098 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-07 23:19:48,099 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 23:19:48,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 23:19:48,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1137951, now seen corresponding path program 1 times [2025-02-07 23:19:48,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-07 23:19:48,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2102579468] [2025-02-07 23:19:48,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 23:19:48,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-07 23:19:48,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 23:19:48,119 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) [2025-02-07 23:19:48,121 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 [2025-02-07 23:19:48,603 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-07 23:19:48,640 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-07 23:19:48,640 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 23:19:48,641 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 23:19:48,650 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-02-07 23:19:48,664 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-07 23:19:48,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 23:19:48,888 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-07 23:19:48,889 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-07 23:19:48,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2102579468] [2025-02-07 23:19:48,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2102579468] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 23:19:48,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 23:19:48,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-07 23:19:48,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960722716] [2025-02-07 23:19:48,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 23:19:48,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-07 23:19:48,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-07 23:19:48,913 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-07 23:19:48,913 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-07 23:19:48,914 INFO L87 Difference]: Start difference. First operand has 8 states, 6 states have (on average 1.5) internal successors, (9), 7 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) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 23:19:49,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 23:19:49,090 INFO L93 Difference]: Finished difference Result 16 states and 21 transitions. [2025-02-07 23:19:49,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-07 23:19:49,093 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2025-02-07 23:19:49,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 23:19:49,098 INFO L225 Difference]: With dead ends: 16 [2025-02-07 23:19:49,099 INFO L226 Difference]: Without dead ends: 9 [2025-02-07 23:19:49,100 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-07 23:19:49,102 INFO L435 NwaCegarLoop]: 3 mSDtfsCounter, 2 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 8 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 [2025-02-07 23:19:49,103 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 8 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-07 23:19:49,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2025-02-07 23:19:49,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2025-02-07 23:19:49,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 23:19:49,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2025-02-07 23:19:49,129 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2025-02-07 23:19:49,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 23:19:49,129 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2025-02-07 23:19:49,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 23:19:49,130 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2025-02-07 23:19:49,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-02-07 23:19:49,130 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 23:19:49,130 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2025-02-07 23:19:49,141 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-07 23:19:49,331 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 [2025-02-07 23:19:49,331 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 23:19:49,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 23:19:49,332 INFO L85 PathProgramCache]: Analyzing trace with hash -458170295, now seen corresponding path program 1 times [2025-02-07 23:19:49,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-07 23:19:49,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [824279191] [2025-02-07 23:19:49,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 23:19:49,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-07 23:19:49,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 23:19:49,337 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) [2025-02-07 23:19:49,338 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 [2025-02-07 23:19:49,887 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-07 23:19:50,014 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-07 23:19:50,014 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 23:19:50,014 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 23:19:50,038 INFO L256 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 54 conjuncts are in the unsatisfiable core [2025-02-07 23:19:50,064 INFO L279 TraceCheckSpWp]: Computing forward predicates...