./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.3.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc 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.mcs.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 43a547173bc5737aef686ddf95649235e9f271c4122df2cd7418215b3adcee9e --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-05 19:30:15,918 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 19:30:15,991 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-05 19:30:15,999 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 19:30:16,002 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 19:30:16,029 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 19:30:16,029 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 19:30:16,033 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 19:30:16,034 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 19:30:16,034 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 19:30:16,034 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 19:30:16,034 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 19:30:16,034 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 19:30:16,034 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 19:30:16,034 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 19:30:16,034 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 19:30:16,035 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 19:30:16,035 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-05 19:30:16,035 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 19:30:16,035 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 19:30:16,035 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 19:30:16,035 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 19:30:16,035 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 19:30:16,035 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 19:30:16,035 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 19:30:16,035 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 19:30:16,035 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 19:30:16,035 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 19:30:16,035 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 19:30:16,035 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 19:30:16,035 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 19:30:16,035 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 19:30:16,035 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 19:30:16,035 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 19:30:16,035 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-05 19:30:16,035 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-05 19:30:16,035 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 19:30:16,035 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 19:30:16,036 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 19:30:16,036 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 19:30:16,036 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 -> 43a547173bc5737aef686ddf95649235e9f271c4122df2cd7418215b3adcee9e [2025-02-05 19:30:16,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 19:30:16,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 19:30:16,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 19:30:16,313 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 19:30:16,313 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 19:30:16,314 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.3.prop1-func-interl.c [2025-02-05 19:30:17,389 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3810625ac/bfed5f88831b4cb99e244ad405f01bb2/FLAGf92ce99f8 [2025-02-05 19:30:17,849 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 19:30:17,850 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.3.prop1-func-interl.c [2025-02-05 19:30:17,872 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3810625ac/bfed5f88831b4cb99e244ad405f01bb2/FLAGf92ce99f8 [2025-02-05 19:30:17,964 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3810625ac/bfed5f88831b4cb99e244ad405f01bb2 [2025-02-05 19:30:17,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 19:30:17,967 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 19:30:17,969 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 19:30:17,969 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 19:30:17,973 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 19:30:17,974 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 07:30:17" (1/1) ... [2025-02-05 19:30:17,974 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b17cd8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:30:17, skipping insertion in model container [2025-02-05 19:30:17,974 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 07:30:17" (1/1) ... [2025-02-05 19:30:18,029 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 19:30:18,192 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.mcs.3.prop1-func-interl.c[1170,1183] [2025-02-05 19:30:18,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 19:30:18,578 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 19:30:18,585 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.mcs.3.prop1-func-interl.c[1170,1183] [2025-02-05 19:30:18,771 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 19:30:18,782 INFO L204 MainTranslator]: Completed translation [2025-02-05 19:30:18,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:30:18 WrapperNode [2025-02-05 19:30:18,784 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 19:30:18,784 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 19:30:18,784 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 19:30:18,784 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 19:30:18,789 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:30:18" (1/1) ... [2025-02-05 19:30:18,855 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:30:18" (1/1) ... [2025-02-05 19:30:19,725 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 10704 [2025-02-05 19:30:19,725 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 19:30:19,726 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 19:30:19,726 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 19:30:19,726 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 19:30:19,732 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:30:18" (1/1) ... [2025-02-05 19:30:19,733 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:30:18" (1/1) ... [2025-02-05 19:30:20,119 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:30:18" (1/1) ... [2025-02-05 19:30:20,292 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]. [2025-02-05 19:30:20,293 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:30:18" (1/1) ... [2025-02-05 19:30:20,294 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:30:18" (1/1) ... [2025-02-05 19:30:20,558 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:30:18" (1/1) ... [2025-02-05 19:30:20,588 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:30:18" (1/1) ... [2025-02-05 19:30:20,632 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:30:18" (1/1) ... [2025-02-05 19:30:20,664 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:30:18" (1/1) ... [2025-02-05 19:30:20,836 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 19:30:20,837 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 19:30:20,837 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 19:30:20,837 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 19:30:20,838 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:30:18" (1/1) ... [2025-02-05 19:30:20,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 19:30:20,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 19:30:20,862 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) [2025-02-05 19:30:20,867 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 [2025-02-05 19:30:20,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 19:30:20,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-05 19:30:20,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 19:30:20,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 19:30:21,303 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 19:30:21,305 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 19:30:33,523 INFO L? ?]: Removed 6076 outVars from TransFormulas that were not future-live. [2025-02-05 19:30:33,523 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 19:30:33,940 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 19:30:33,940 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 19:30:33,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 07:30:33 BoogieIcfgContainer [2025-02-05 19:30:33,941 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 19:30:33,943 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 19:30:33,946 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 19:30:33,950 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 19:30:33,955 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 07:30:17" (1/3) ... [2025-02-05 19:30:33,955 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@316a2c5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 07:30:33, skipping insertion in model container [2025-02-05 19:30:33,955 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:30:18" (2/3) ... [2025-02-05 19:30:33,955 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@316a2c5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 07:30:33, skipping insertion in model container [2025-02-05 19:30:33,955 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 07:30:33" (3/3) ... [2025-02-05 19:30:33,956 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mcs.3.prop1-func-interl.c [2025-02-05 19:30:33,980 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 19:30:33,982 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.mcs.3.prop1-func-interl.c that has 1 procedures, 3760 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-05 19:30:34,169 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 19:30:34,196 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;@b211a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 19:30:34,198 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-05 19:30:34,242 INFO L276 IsEmpty]: Start isEmpty. Operand has 3760 states, 3758 states have (on average 1.5010643959552954) internal successors, (5641), 3759 states have internal predecessors, (5641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-05 19:30:34,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2025-02-05 19:30:34,260 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 19:30:34,267 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 19:30:34,268 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 19:30:34,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 19:30:34,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1370790579, now seen corresponding path program 1 times [2025-02-05 19:30:34,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 19:30:34,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202568612] [2025-02-05 19:30:34,285 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 19:30:34,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 19:30:34,434 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 155 statements into 1 equivalence classes. [2025-02-05 19:30:34,553 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 155 of 155 statements. [2025-02-05 19:30:34,554 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 19:30:34,554 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 19:30:35,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 19:30:35,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 19:30:35,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202568612] [2025-02-05 19:30:35,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202568612] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 19:30:35,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 19:30:35,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-05 19:30:35,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939214089] [2025-02-05 19:30:35,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 19:30:35,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-05 19:30:35,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 19:30:35,182 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-05 19:30:35,182 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-05 19:30:35,190 INFO L87 Difference]: Start difference. First operand has 3760 states, 3758 states have (on average 1.5010643959552954) internal successors, (5641), 3759 states have internal predecessors, (5641), 0 states have call successors, (0), 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 38.75) internal successors, (155), 4 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-05 19:30:36,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 19:30:36,715 INFO L93 Difference]: Finished difference Result 7301 states and 10957 transitions. [2025-02-05 19:30:36,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-05 19:30:36,717 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 0 states have call successors, (0), 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 155 [2025-02-05 19:30:36,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 19:30:36,740 INFO L225 Difference]: With dead ends: 7301 [2025-02-05 19:30:36,740 INFO L226 Difference]: Without dead ends: 3759 [2025-02-05 19:30:36,747 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 [2025-02-05 19:30:36,749 INFO L435 NwaCegarLoop]: 4700 mSDtfsCounter, 0 mSDsluCounter, 9395 mSDsCounter, 0 mSdLazyCounter, 2815 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14095 SdHoareTripleChecker+Invalid, 2815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-02-05 19:30:36,750 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14095 Invalid, 2815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2815 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-02-05 19:30:36,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3759 states. [2025-02-05 19:30:36,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3759 to 3759. [2025-02-05 19:30:36,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3759 states, 3758 states have (on average 1.5005321979776476) internal successors, (5639), 3758 states have internal predecessors, (5639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-05 19:30:36,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3759 states to 3759 states and 5639 transitions. [2025-02-05 19:30:36,917 INFO L78 Accepts]: Start accepts. Automaton has 3759 states and 5639 transitions. Word has length 155 [2025-02-05 19:30:36,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 19:30:36,919 INFO L471 AbstractCegarLoop]: Abstraction has 3759 states and 5639 transitions. [2025-02-05 19:30:36,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-05 19:30:36,919 INFO L276 IsEmpty]: Start isEmpty. Operand 3759 states and 5639 transitions. [2025-02-05 19:30:36,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2025-02-05 19:30:36,924 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 19:30:36,925 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 19:30:36,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-05 19:30:36,925 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 19:30:36,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 19:30:36,927 INFO L85 PathProgramCache]: Analyzing trace with hash -450479826, now seen corresponding path program 1 times [2025-02-05 19:30:36,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 19:30:36,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071360378] [2025-02-05 19:30:36,927 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 19:30:36,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 19:30:37,072 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 156 statements into 1 equivalence classes. [2025-02-05 19:30:37,091 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 156 of 156 statements. [2025-02-05 19:30:37,091 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 19:30:37,091 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 19:30:37,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 19:30:37,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 19:30:37,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071360378] [2025-02-05 19:30:37,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071360378] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 19:30:37,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 19:30:37,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-05 19:30:37,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374493193] [2025-02-05 19:30:37,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 19:30:37,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-05 19:30:37,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 19:30:37,295 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-05 19:30:37,295 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-05 19:30:37,295 INFO L87 Difference]: Start difference. First operand 3759 states and 5639 transitions. Second operand has 4 states, 4 states have (on average 39.0) internal successors, (156), 4 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-05 19:30:38,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 19:30:38,733 INFO L93 Difference]: Finished difference Result 7302 states and 10955 transitions. [2025-02-05 19:30:38,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-05 19:30:38,734 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.0) internal successors, (156), 4 states have internal predecessors, (156), 0 states have call successors, (0), 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 156 [2025-02-05 19:30:38,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 19:30:38,746 INFO L225 Difference]: With dead ends: 7302 [2025-02-05 19:30:38,746 INFO L226 Difference]: Without dead ends: 3761 [2025-02-05 19:30:38,752 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 [2025-02-05 19:30:38,753 INFO L435 NwaCegarLoop]: 4700 mSDtfsCounter, 0 mSDsluCounter, 9392 mSDsCounter, 0 mSdLazyCounter, 2818 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14092 SdHoareTripleChecker+Invalid, 2818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-02-05 19:30:38,753 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14092 Invalid, 2818 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2818 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-02-05 19:30:38,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3761 states. [2025-02-05 19:30:38,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3761 to 3761. [2025-02-05 19:30:38,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3761 states, 3760 states have (on average 1.5002659574468085) internal successors, (5641), 3760 states have internal predecessors, (5641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-05 19:30:38,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3761 states to 3761 states and 5641 transitions. [2025-02-05 19:30:38,825 INFO L78 Accepts]: Start accepts. Automaton has 3761 states and 5641 transitions. Word has length 156 [2025-02-05 19:30:38,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 19:30:38,826 INFO L471 AbstractCegarLoop]: Abstraction has 3761 states and 5641 transitions. [2025-02-05 19:30:38,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.0) internal successors, (156), 4 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-05 19:30:38,826 INFO L276 IsEmpty]: Start isEmpty. Operand 3761 states and 5641 transitions. [2025-02-05 19:30:38,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2025-02-05 19:30:38,831 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 19:30:38,831 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 19:30:38,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-05 19:30:38,831 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 19:30:38,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 19:30:38,832 INFO L85 PathProgramCache]: Analyzing trace with hash 851542542, now seen corresponding path program 1 times [2025-02-05 19:30:38,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 19:30:38,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752244045] [2025-02-05 19:30:38,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 19:30:38,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 19:30:38,892 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 157 statements into 1 equivalence classes. [2025-02-05 19:30:38,920 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 157 of 157 statements. [2025-02-05 19:30:38,921 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 19:30:38,921 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 19:30:39,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 19:30:39,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 19:30:39,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752244045] [2025-02-05 19:30:39,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752244045] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 19:30:39,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 19:30:39,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-05 19:30:39,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112836796] [2025-02-05 19:30:39,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 19:30:39,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-05 19:30:39,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 19:30:39,111 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-05 19:30:39,111 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-05 19:30:39,111 INFO L87 Difference]: Start difference. First operand 3761 states and 5641 transitions. Second operand has 4 states, 4 states have (on average 39.25) internal successors, (157), 4 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-05 19:30:40,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 19:30:40,439 INFO L93 Difference]: Finished difference Result 7310 states and 10965 transitions. [2025-02-05 19:30:40,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-05 19:30:40,440 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 4 states have internal predecessors, (157), 0 states have call successors, (0), 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 157 [2025-02-05 19:30:40,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 19:30:40,512 INFO L225 Difference]: With dead ends: 7310 [2025-02-05 19:30:40,512 INFO L226 Difference]: Without dead ends: 3767 [2025-02-05 19:30:40,514 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 [2025-02-05 19:30:40,515 INFO L435 NwaCegarLoop]: 4700 mSDtfsCounter, 4 mSDsluCounter, 9387 mSDsCounter, 0 mSdLazyCounter, 2823 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 14087 SdHoareTripleChecker+Invalid, 2823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2823 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-02-05 19:30:40,515 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 14087 Invalid, 2823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2823 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-02-05 19:30:40,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3767 states. [2025-02-05 19:30:40,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3767 to 3767. [2025-02-05 19:30:40,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3767 states, 3766 states have (on average 1.5) internal successors, (5649), 3766 states have internal predecessors, (5649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-05 19:30:40,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3767 states to 3767 states and 5649 transitions. [2025-02-05 19:30:40,565 INFO L78 Accepts]: Start accepts. Automaton has 3767 states and 5649 transitions. Word has length 157 [2025-02-05 19:30:40,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 19:30:40,565 INFO L471 AbstractCegarLoop]: Abstraction has 3767 states and 5649 transitions. [2025-02-05 19:30:40,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 4 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-05 19:30:40,566 INFO L276 IsEmpty]: Start isEmpty. Operand 3767 states and 5649 transitions. [2025-02-05 19:30:40,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2025-02-05 19:30:40,568 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 19:30:40,568 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 19:30:40,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-05 19:30:40,568 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 19:30:40,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 19:30:40,569 INFO L85 PathProgramCache]: Analyzing trace with hash -292903880, now seen corresponding path program 1 times [2025-02-05 19:30:40,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 19:30:40,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489975616] [2025-02-05 19:30:40,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 19:30:40,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 19:30:40,618 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-02-05 19:30:40,634 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-02-05 19:30:40,635 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 19:30:40,635 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 19:30:40,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 19:30:40,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 19:30:40,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489975616] [2025-02-05 19:30:40,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489975616] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 19:30:40,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 19:30:40,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-05 19:30:40,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632923575] [2025-02-05 19:30:40,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 19:30:40,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 19:30:40,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 19:30:40,815 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 19:30:40,816 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-05 19:30:40,816 INFO L87 Difference]: Start difference. First operand 3767 states and 5649 transitions. Second operand has 5 states, 5 states have (on average 31.6) internal successors, (158), 5 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-05 19:30:42,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 19:30:42,588 INFO L93 Difference]: Finished difference Result 7320 states and 10977 transitions. [2025-02-05 19:30:42,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-05 19:30:42,588 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 5 states have internal predecessors, (158), 0 states have call successors, (0), 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 158 [2025-02-05 19:30:42,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 19:30:42,598 INFO L225 Difference]: With dead ends: 7320 [2025-02-05 19:30:42,598 INFO L226 Difference]: Without dead ends: 3771 [2025-02-05 19:30:42,603 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-05 19:30:42,604 INFO L435 NwaCegarLoop]: 4700 mSDtfsCounter, 0 mSDsluCounter, 14072 mSDsCounter, 0 mSdLazyCounter, 3775 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18772 SdHoareTripleChecker+Invalid, 3776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-02-05 19:30:42,605 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18772 Invalid, 3776 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3775 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-02-05 19:30:42,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3771 states. [2025-02-05 19:30:42,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3771 to 3767. [2025-02-05 19:30:42,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3767 states, 3766 states have (on average 1.5) internal successors, (5649), 3766 states have internal predecessors, (5649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-05 19:30:42,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3767 states to 3767 states and 5649 transitions. [2025-02-05 19:30:42,661 INFO L78 Accepts]: Start accepts. Automaton has 3767 states and 5649 transitions. Word has length 158 [2025-02-05 19:30:42,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 19:30:42,662 INFO L471 AbstractCegarLoop]: Abstraction has 3767 states and 5649 transitions. [2025-02-05 19:30:42,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 5 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-05 19:30:42,662 INFO L276 IsEmpty]: Start isEmpty. Operand 3767 states and 5649 transitions. [2025-02-05 19:30:42,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2025-02-05 19:30:42,663 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 19:30:42,664 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 19:30:42,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-05 19:30:42,664 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 19:30:42,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 19:30:42,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1398282857, now seen corresponding path program 1 times [2025-02-05 19:30:42,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 19:30:42,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745169726] [2025-02-05 19:30:42,665 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 19:30:42,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 19:30:42,704 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 159 statements into 1 equivalence classes. [2025-02-05 19:30:42,761 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 159 of 159 statements. [2025-02-05 19:30:42,762 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 19:30:42,762 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 19:30:43,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 19:30:43,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 19:30:43,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745169726] [2025-02-05 19:30:43,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745169726] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 19:30:43,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 19:30:43,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-05 19:30:43,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368463798] [2025-02-05 19:30:43,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 19:30:43,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 19:30:43,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 19:30:43,019 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 19:30:43,019 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 19:30:43,020 INFO L87 Difference]: Start difference. First operand 3767 states and 5649 transitions. Second operand has 5 states, 5 states have (on average 31.8) internal successors, (159), 5 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-05 19:30:47,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 19:30:47,341 INFO L93 Difference]: Finished difference Result 10849 states and 16271 transitions. [2025-02-05 19:30:47,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-05 19:30:47,341 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.8) internal successors, (159), 5 states have internal predecessors, (159), 0 states have call successors, (0), 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 159 [2025-02-05 19:30:47,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 19:30:47,360 INFO L225 Difference]: With dead ends: 10849 [2025-02-05 19:30:47,360 INFO L226 Difference]: Without dead ends: 7300 [2025-02-05 19:30:47,369 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-05 19:30:47,373 INFO L435 NwaCegarLoop]: 3721 mSDtfsCounter, 5473 mSDsluCounter, 11018 mSDsCounter, 0 mSdLazyCounter, 7484 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5473 SdHoareTripleChecker+Valid, 14739 SdHoareTripleChecker+Invalid, 7485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2025-02-05 19:30:47,374 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5473 Valid, 14739 Invalid, 7485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7484 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2025-02-05 19:30:47,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7300 states. [2025-02-05 19:30:47,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7300 to 3838. [2025-02-05 19:30:47,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3838 states, 3837 states have (on average 1.4996090695856137) internal successors, (5754), 3837 states have internal predecessors, (5754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-05 19:30:47,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3838 states to 3838 states and 5754 transitions. [2025-02-05 19:30:47,430 INFO L78 Accepts]: Start accepts. Automaton has 3838 states and 5754 transitions. Word has length 159 [2025-02-05 19:30:47,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 19:30:47,430 INFO L471 AbstractCegarLoop]: Abstraction has 3838 states and 5754 transitions. [2025-02-05 19:30:47,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.8) internal successors, (159), 5 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-05 19:30:47,430 INFO L276 IsEmpty]: Start isEmpty. Operand 3838 states and 5754 transitions. [2025-02-05 19:30:47,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2025-02-05 19:30:47,431 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 19:30:47,431 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 19:30:47,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-05 19:30:47,431 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 19:30:47,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 19:30:47,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1480499712, now seen corresponding path program 1 times [2025-02-05 19:30:47,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 19:30:47,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393703079] [2025-02-05 19:30:47,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 19:30:47,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 19:30:47,473 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-02-05 19:30:47,498 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-02-05 19:30:47,498 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 19:30:47,498 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 19:30:47,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 19:30:47,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 19:30:47,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393703079] [2025-02-05 19:30:47,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393703079] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 19:30:47,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 19:30:47,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-05 19:30:47,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673001807] [2025-02-05 19:30:47,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 19:30:47,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 19:30:47,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 19:30:47,705 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 19:30:47,705 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-05 19:30:47,705 INFO L87 Difference]: Start difference. First operand 3838 states and 5754 transitions. Second operand has 5 states, 5 states have (on average 32.0) internal successors, (160), 5 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-05 19:30:50,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 19:30:50,236 INFO L93 Difference]: Finished difference Result 7387 states and 11077 transitions. [2025-02-05 19:30:50,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-05 19:30:50,237 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.0) internal successors, (160), 5 states have internal predecessors, (160), 0 states have call successors, (0), 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 160 [2025-02-05 19:30:50,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 19:30:50,249 INFO L225 Difference]: With dead ends: 7387 [2025-02-05 19:30:50,249 INFO L226 Difference]: Without dead ends: 3838 [2025-02-05 19:30:50,253 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-05 19:30:50,253 INFO L435 NwaCegarLoop]: 3713 mSDtfsCounter, 5488 mSDsluCounter, 7415 mSDsCounter, 0 mSdLazyCounter, 5767 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5488 SdHoareTripleChecker+Valid, 11128 SdHoareTripleChecker+Invalid, 5768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2025-02-05 19:30:50,254 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5488 Valid, 11128 Invalid, 5768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5767 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2025-02-05 19:30:50,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3838 states. [2025-02-05 19:30:50,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3838 to 3838. [2025-02-05 19:30:50,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3838 states, 3837 states have (on average 1.4985665884805839) internal successors, (5750), 3837 states have internal predecessors, (5750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-05 19:30:50,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3838 states to 3838 states and 5750 transitions. [2025-02-05 19:30:50,298 INFO L78 Accepts]: Start accepts. Automaton has 3838 states and 5750 transitions. Word has length 160 [2025-02-05 19:30:50,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 19:30:50,298 INFO L471 AbstractCegarLoop]: Abstraction has 3838 states and 5750 transitions. [2025-02-05 19:30:50,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.0) internal successors, (160), 5 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-05 19:30:50,299 INFO L276 IsEmpty]: Start isEmpty. Operand 3838 states and 5750 transitions. [2025-02-05 19:30:50,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2025-02-05 19:30:50,300 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 19:30:50,300 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 19:30:50,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-05 19:30:50,300 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 19:30:50,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 19:30:50,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1539345542, now seen corresponding path program 1 times [2025-02-05 19:30:50,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 19:30:50,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370355234] [2025-02-05 19:30:50,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 19:30:50,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 19:30:50,338 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 161 statements into 1 equivalence classes. [2025-02-05 19:30:50,369 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 161 of 161 statements. [2025-02-05 19:30:50,369 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 19:30:50,369 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-05 19:30:50,370 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-05 19:30:50,389 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 161 statements into 1 equivalence classes. [2025-02-05 19:30:50,426 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 161 of 161 statements. [2025-02-05 19:30:50,426 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 19:30:50,426 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-05 19:30:50,513 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-05 19:30:50,513 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-05 19:30:50,514 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-05 19:30:50,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-05 19:30:50,519 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2025-02-05 19:30:50,605 WARN L310 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2025-02-05 19:30:50,629 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-05 19:30:50,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.02 07:30:50 BoogieIcfgContainer [2025-02-05 19:30:50,632 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-05 19:30:50,633 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-05 19:30:50,633 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-05 19:30:50,633 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-05 19:30:50,634 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 07:30:33" (3/4) ... [2025-02-05 19:30:50,635 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-05 19:30:50,636 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-05 19:30:50,637 INFO L158 Benchmark]: Toolchain (without parser) took 32669.05ms. Allocated memory was 142.6MB in the beginning and 956.3MB in the end (delta: 813.7MB). Free memory was 108.7MB in the beginning and 342.1MB in the end (delta: -233.3MB). Peak memory consumption was 584.3MB. Max. memory is 16.1GB. [2025-02-05 19:30:50,637 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 226.5MB. Free memory is still 148.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 19:30:50,637 INFO L158 Benchmark]: CACSL2BoogieTranslator took 814.89ms. Allocated memory is still 142.6MB. Free memory was 108.5MB in the beginning and 55.9MB in the end (delta: 52.6MB). Peak memory consumption was 120.2MB. Max. memory is 16.1GB. [2025-02-05 19:30:50,638 INFO L158 Benchmark]: Boogie Procedure Inliner took 941.10ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 55.9MB in the beginning and 66.4MB in the end (delta: -10.5MB). Peak memory consumption was 201.3MB. Max. memory is 16.1GB. [2025-02-05 19:30:50,638 INFO L158 Benchmark]: Boogie Preprocessor took 1110.28ms. Allocated memory was 285.2MB in the beginning and 1.1GB in the end (delta: 822.1MB). Free memory was 66.4MB in the beginning and 830.4MB in the end (delta: -764.0MB). Peak memory consumption was 136.3MB. Max. memory is 16.1GB. [2025-02-05 19:30:50,638 INFO L158 Benchmark]: IcfgBuilder took 13103.63ms. Allocated memory was 1.1GB in the beginning and 1.1GB in the end (delta: -16.8MB). Free memory was 830.4MB in the beginning and 683.1MB in the end (delta: 147.4MB). Peak memory consumption was 705.5MB. Max. memory is 16.1GB. [2025-02-05 19:30:50,639 INFO L158 Benchmark]: TraceAbstraction took 16689.72ms. Allocated memory was 1.1GB in the beginning and 956.3MB in the end (delta: -134.2MB). Free memory was 683.1MB in the beginning and 342.1MB in the end (delta: 340.9MB). Peak memory consumption was 210.9MB. Max. memory is 16.1GB. [2025-02-05 19:30:50,639 INFO L158 Benchmark]: Witness Printer took 2.90ms. Allocated memory is still 956.3MB. Free memory was 342.1MB in the beginning and 342.1MB in the end (delta: 52.8kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 19:30:50,640 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 226.5MB. Free memory is still 148.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 814.89ms. Allocated memory is still 142.6MB. Free memory was 108.5MB in the beginning and 55.9MB in the end (delta: 52.6MB). Peak memory consumption was 120.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 941.10ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 55.9MB in the beginning and 66.4MB in the end (delta: -10.5MB). Peak memory consumption was 201.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1110.28ms. Allocated memory was 285.2MB in the beginning and 1.1GB in the end (delta: 822.1MB). Free memory was 66.4MB in the beginning and 830.4MB in the end (delta: -764.0MB). Peak memory consumption was 136.3MB. Max. memory is 16.1GB. * IcfgBuilder took 13103.63ms. Allocated memory was 1.1GB in the beginning and 1.1GB in the end (delta: -16.8MB). Free memory was 830.4MB in the beginning and 683.1MB in the end (delta: 147.4MB). Peak memory consumption was 705.5MB. Max. memory is 16.1GB. * TraceAbstraction took 16689.72ms. Allocated memory was 1.1GB in the beginning and 956.3MB in the end (delta: -134.2MB). Free memory was 683.1MB in the beginning and 342.1MB in the end (delta: 340.9MB). Peak memory consumption was 210.9MB. Max. memory is 16.1GB. * Witness Printer took 2.90ms. Allocated memory is still 956.3MB. Free memory was 342.1MB in the beginning and 342.1MB in the end (delta: 52.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 363, overapproximation of bitwiseAnd at line 365. 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 - 32); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (32 - 1); [L35] const SORT_2 var_4 = 0; [L36] const SORT_1 var_31 = 0; [L37] const SORT_3 var_114 = 1; [L38] const SORT_3 var_115 = 0; [L39] const SORT_2 var_126 = 255; [L40] const SORT_2 var_128 = 0; [L41] const SORT_2 var_131 = 3; [L42] const SORT_2 var_135 = 2; [L43] const SORT_2 var_139 = 1; [L45] SORT_1 input_127; [L46] SORT_1 input_132; [L47] SORT_1 input_136; [L48] SORT_1 input_140; [L49] SORT_1 input_143; [L50] SORT_1 input_158; [L51] SORT_1 input_173; [L52] SORT_1 input_188; [L53] SORT_1 input_203; [L54] SORT_1 input_206; [L55] SORT_1 input_209; [L56] SORT_1 input_212; [L57] SORT_1 input_215; [L58] SORT_1 input_228; [L59] SORT_1 input_241; [L60] SORT_1 input_254; [L61] SORT_1 input_267; [L62] SORT_1 input_268; [L63] SORT_1 input_269; [L64] SORT_1 input_270; [L65] SORT_1 input_271; [L66] SORT_1 input_272; [L67] SORT_1 input_273; [L68] SORT_1 input_274; [L69] SORT_1 input_302; [L70] SORT_1 input_304; [L71] SORT_1 input_314; [L72] SORT_1 input_319; [L73] SORT_1 input_321; [L74] SORT_1 input_326; [L75] SORT_1 input_330; [L76] SORT_1 input_345; [L77] SORT_1 input_347; [L78] SORT_1 input_357; [L79] SORT_1 input_362; [L80] SORT_1 input_364; [L81] SORT_1 input_369; [L82] SORT_1 input_373; [L83] SORT_1 input_388; [L84] SORT_1 input_390; [L85] SORT_1 input_400; [L86] SORT_1 input_405; [L87] SORT_1 input_407; [L88] SORT_1 input_412; [L89] SORT_1 input_416; [L90] SORT_1 input_431; [L91] SORT_1 input_433; [L92] SORT_1 input_443; [L93] SORT_1 input_448; [L94] SORT_1 input_450; [L95] SORT_1 input_455; [L96] SORT_1 input_459; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L98] SORT_2 state_5 = __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_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L99] SORT_2 state_7 = __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_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L100] SORT_2 state_9 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L101] SORT_2 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L102] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L102] SORT_2 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L103] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L103] SORT_2 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L104] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L104] SORT_2 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L105] SORT_2 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L106] SORT_2 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L107] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L107] SORT_2 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L108] SORT_2 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L109] SORT_2 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L110] SORT_2 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L111] SORT_1 state_32 = __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_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L112] SORT_1 state_34 = __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_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L113] SORT_1 state_36 = __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_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L114] SORT_1 state_38 = __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_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L115] SORT_1 state_40 = __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_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L116] SORT_1 state_42 = __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_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L117] SORT_1 state_44 = __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_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L118] SORT_1 state_46 = __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_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L119] SORT_1 state_48 = __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_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L120] SORT_1 state_50 = __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_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L121] SORT_1 state_52 = __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_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L122] SORT_1 state_54 = __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_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L123] SORT_1 state_56 = __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_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L124] SORT_1 state_58 = __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_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L125] SORT_1 state_60 = __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_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L126] SORT_1 state_62 = __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_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L127] SORT_1 state_64 = __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_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L128] SORT_1 state_66 = __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_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L129] SORT_1 state_68 = __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_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L130] SORT_1 state_70 = __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_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L131] SORT_1 state_72 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L132] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L132] SORT_1 state_74 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L133] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L133] SORT_1 state_76 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L134] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L134] SORT_1 state_78 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L135] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L135] SORT_1 state_80 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L136] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L136] SORT_1 state_82 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L137] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L137] SORT_1 state_84 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L138] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L138] SORT_1 state_86 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L139] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L139] SORT_1 state_88 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L140] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L140] SORT_1 state_90 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L141] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L141] SORT_1 state_92 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L142] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L142] SORT_1 state_94 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L143] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L143] SORT_1 state_96 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L144] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L144] SORT_1 state_98 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L145] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L145] SORT_1 state_100 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L146] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L146] SORT_1 state_102 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L147] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L147] SORT_1 state_104 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L148] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L148] SORT_1 state_106 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L149] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L149] SORT_1 state_108 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L150] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L150] SORT_1 state_110 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L151] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L151] SORT_1 state_112 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L153] SORT_2 init_6_arg_1 = var_4; [L154] state_5 = init_6_arg_1 [L155] SORT_2 init_8_arg_1 = var_4; [L156] state_7 = init_8_arg_1 [L157] SORT_2 init_10_arg_1 = var_4; [L158] state_9 = init_10_arg_1 [L159] SORT_2 init_12_arg_1 = var_4; [L160] state_11 = init_12_arg_1 [L161] SORT_2 init_14_arg_1 = var_4; [L162] state_13 = init_14_arg_1 [L163] SORT_2 init_16_arg_1 = var_4; [L164] state_15 = init_16_arg_1 [L165] SORT_2 init_18_arg_1 = var_4; [L166] state_17 = init_18_arg_1 [L167] SORT_2 init_20_arg_1 = var_4; [L168] state_19 = init_20_arg_1 [L169] SORT_2 init_22_arg_1 = var_4; [L170] state_21 = init_22_arg_1 [L171] SORT_2 init_24_arg_1 = var_4; [L172] state_23 = init_24_arg_1 [L173] SORT_2 init_26_arg_1 = var_4; [L174] state_25 = init_26_arg_1 [L175] SORT_2 init_28_arg_1 = var_4; [L176] state_27 = init_28_arg_1 [L177] SORT_2 init_30_arg_1 = var_4; [L178] state_29 = init_30_arg_1 [L179] SORT_1 init_33_arg_1 = var_31; [L180] state_32 = init_33_arg_1 [L181] SORT_1 init_35_arg_1 = var_31; [L182] state_34 = init_35_arg_1 [L183] SORT_1 init_37_arg_1 = var_31; [L184] state_36 = init_37_arg_1 [L185] SORT_1 init_39_arg_1 = var_31; [L186] state_38 = init_39_arg_1 [L187] SORT_1 init_41_arg_1 = var_31; [L188] state_40 = init_41_arg_1 [L189] SORT_1 init_43_arg_1 = var_31; [L190] state_42 = init_43_arg_1 [L191] SORT_1 init_45_arg_1 = var_31; [L192] state_44 = init_45_arg_1 [L193] SORT_1 init_47_arg_1 = var_31; [L194] state_46 = init_47_arg_1 [L195] SORT_1 init_49_arg_1 = var_31; [L196] state_48 = init_49_arg_1 [L197] SORT_1 init_51_arg_1 = var_31; [L198] state_50 = init_51_arg_1 [L199] SORT_1 init_53_arg_1 = var_31; [L200] state_52 = init_53_arg_1 [L201] SORT_1 init_55_arg_1 = var_31; [L202] state_54 = init_55_arg_1 [L203] SORT_1 init_57_arg_1 = var_31; [L204] state_56 = init_57_arg_1 [L205] SORT_1 init_59_arg_1 = var_31; [L206] state_58 = init_59_arg_1 [L207] SORT_1 init_61_arg_1 = var_31; [L208] state_60 = init_61_arg_1 [L209] SORT_1 init_63_arg_1 = var_31; [L210] state_62 = init_63_arg_1 [L211] SORT_1 init_65_arg_1 = var_31; [L212] state_64 = init_65_arg_1 [L213] SORT_1 init_67_arg_1 = var_31; [L214] state_66 = init_67_arg_1 [L215] SORT_1 init_69_arg_1 = var_31; [L216] state_68 = init_69_arg_1 [L217] SORT_1 init_71_arg_1 = var_31; [L218] state_70 = init_71_arg_1 [L219] SORT_1 init_73_arg_1 = var_31; [L220] state_72 = init_73_arg_1 [L221] SORT_1 init_75_arg_1 = var_31; [L222] state_74 = init_75_arg_1 [L223] SORT_1 init_77_arg_1 = var_31; [L224] state_76 = init_77_arg_1 [L225] SORT_1 init_79_arg_1 = var_31; [L226] state_78 = init_79_arg_1 [L227] SORT_1 init_81_arg_1 = var_31; [L228] state_80 = init_81_arg_1 [L229] SORT_1 init_83_arg_1 = var_31; [L230] state_82 = init_83_arg_1 [L231] SORT_1 init_85_arg_1 = var_31; [L232] state_84 = init_85_arg_1 [L233] SORT_1 init_87_arg_1 = var_31; [L234] state_86 = init_87_arg_1 [L235] SORT_1 init_89_arg_1 = var_31; [L236] state_88 = init_89_arg_1 [L237] SORT_1 init_91_arg_1 = var_31; [L238] state_90 = init_91_arg_1 [L239] SORT_1 init_93_arg_1 = var_31; [L240] state_92 = init_93_arg_1 [L241] SORT_1 init_95_arg_1 = var_31; [L242] state_94 = init_95_arg_1 [L243] SORT_1 init_97_arg_1 = var_31; [L244] state_96 = init_97_arg_1 [L245] SORT_1 init_99_arg_1 = var_31; [L246] state_98 = init_99_arg_1 [L247] SORT_1 init_101_arg_1 = var_31; [L248] state_100 = init_101_arg_1 [L249] SORT_1 init_103_arg_1 = var_31; [L250] state_102 = init_103_arg_1 [L251] SORT_1 init_105_arg_1 = var_31; [L252] state_104 = init_105_arg_1 [L253] SORT_1 init_107_arg_1 = var_31; [L254] state_106 = init_107_arg_1 [L255] SORT_1 init_109_arg_1 = var_31; [L256] state_108 = init_109_arg_1 [L257] SORT_1 init_111_arg_1 = var_31; [L258] state_110 = init_111_arg_1 [L259] SORT_1 init_113_arg_1 = var_31; [L260] state_112 = init_113_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L263] input_127 = __VERIFIER_nondet_uchar() [L264] input_132 = __VERIFIER_nondet_uchar() [L265] input_136 = __VERIFIER_nondet_uchar() [L266] input_140 = __VERIFIER_nondet_uchar() [L267] input_143 = __VERIFIER_nondet_uchar() [L268] EXPR input_143 & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L268] input_143 = input_143 & mask_SORT_1 [L269] input_158 = __VERIFIER_nondet_uchar() [L270] EXPR input_158 & mask_SORT_1 VAL [input_143=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L270] input_158 = input_158 & mask_SORT_1 [L271] input_173 = __VERIFIER_nondet_uchar() [L272] EXPR input_173 & mask_SORT_1 VAL [input_143=0, input_158=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L272] input_173 = input_173 & mask_SORT_1 [L273] input_188 = __VERIFIER_nondet_uchar() [L274] EXPR input_188 & mask_SORT_1 VAL [input_143=0, input_158=0, input_173=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L274] input_188 = input_188 & mask_SORT_1 [L275] input_203 = __VERIFIER_nondet_uchar() [L276] input_206 = __VERIFIER_nondet_uchar() [L277] input_209 = __VERIFIER_nondet_uchar() [L278] input_212 = __VERIFIER_nondet_uchar() [L279] input_215 = __VERIFIER_nondet_uchar() [L280] EXPR input_215 & mask_SORT_1 VAL [input_143=0, input_158=0, input_173=0, input_188=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L280] input_215 = input_215 & mask_SORT_1 [L281] input_228 = __VERIFIER_nondet_uchar() [L282] EXPR input_228 & mask_SORT_1 VAL [input_143=0, input_158=0, input_173=0, input_188=0, input_215=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L282] input_228 = input_228 & mask_SORT_1 [L283] input_241 = __VERIFIER_nondet_uchar() [L284] EXPR input_241 & mask_SORT_1 VAL [input_143=0, input_158=0, input_173=0, input_188=0, input_215=0, input_228=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L284] input_241 = input_241 & mask_SORT_1 [L285] input_254 = __VERIFIER_nondet_uchar() [L286] EXPR input_254 & mask_SORT_1 VAL [input_143=0, input_158=0, input_173=0, input_188=0, input_215=0, input_228=0, input_241=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L286] input_254 = input_254 & mask_SORT_1 [L287] input_267 = __VERIFIER_nondet_uchar() [L288] EXPR input_267 & mask_SORT_1 VAL [input_143=0, input_158=0, input_173=0, input_188=0, input_215=0, input_228=0, input_241=0, input_254=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L288] input_267 = input_267 & mask_SORT_1 [L289] input_268 = __VERIFIER_nondet_uchar() [L290] EXPR input_268 & mask_SORT_1 VAL [input_143=0, input_158=0, input_173=0, input_188=0, input_215=0, input_228=0, input_241=0, input_254=0, input_267=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L290] input_268 = input_268 & mask_SORT_1 [L291] input_269 = __VERIFIER_nondet_uchar() [L292] EXPR input_269 & mask_SORT_1 VAL [input_143=0, input_158=0, input_173=0, input_188=0, input_215=0, input_228=0, input_241=0, input_254=0, input_267=0, input_268=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L292] input_269 = input_269 & mask_SORT_1 [L293] input_270 = __VERIFIER_nondet_uchar() [L294] EXPR input_270 & mask_SORT_1 VAL [input_143=0, input_158=0, input_173=0, input_188=0, input_215=0, input_228=0, input_241=0, input_254=0, input_267=0, input_268=0, input_269=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L294] input_270 = input_270 & mask_SORT_1 [L295] input_271 = __VERIFIER_nondet_uchar() [L296] EXPR input_271 & mask_SORT_1 VAL [input_143=0, input_158=0, input_173=0, input_188=0, input_215=0, input_228=0, input_241=0, input_254=0, input_267=0, input_268=0, input_269=0, input_270=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L296] input_271 = input_271 & mask_SORT_1 [L297] input_272 = __VERIFIER_nondet_uchar() [L298] EXPR input_272 & mask_SORT_1 VAL [input_143=0, input_158=0, input_173=0, input_188=0, input_215=0, input_228=0, input_241=0, input_254=0, input_267=0, input_268=0, input_269=0, input_270=0, input_271=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L298] input_272 = input_272 & mask_SORT_1 [L299] input_273 = __VERIFIER_nondet_uchar() [L300] EXPR input_273 & mask_SORT_1 VAL [input_143=0, input_158=0, input_173=0, input_188=0, input_215=0, input_228=0, input_241=0, input_254=0, input_267=0, input_268=0, input_269=0, input_270=0, input_271=0, input_272=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L300] input_273 = input_273 & mask_SORT_1 [L301] input_274 = __VERIFIER_nondet_uchar() [L302] EXPR input_274 & mask_SORT_1 VAL [input_143=0, input_158=0, input_173=0, input_188=0, input_215=0, input_228=0, input_241=0, input_254=0, input_267=0, input_268=0, input_269=0, input_270=0, input_271=0, input_272=0, input_273=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L302] input_274 = input_274 & mask_SORT_1 [L303] input_302 = __VERIFIER_nondet_uchar() [L304] input_304 = __VERIFIER_nondet_uchar() [L305] input_314 = __VERIFIER_nondet_uchar() [L306] input_319 = __VERIFIER_nondet_uchar() [L307] input_321 = __VERIFIER_nondet_uchar() [L308] input_326 = __VERIFIER_nondet_uchar() [L309] input_330 = __VERIFIER_nondet_uchar() [L310] input_345 = __VERIFIER_nondet_uchar() [L311] input_347 = __VERIFIER_nondet_uchar() [L312] input_357 = __VERIFIER_nondet_uchar() [L313] input_362 = __VERIFIER_nondet_uchar() [L314] input_364 = __VERIFIER_nondet_uchar() [L315] input_369 = __VERIFIER_nondet_uchar() [L316] input_373 = __VERIFIER_nondet_uchar() [L317] input_388 = __VERIFIER_nondet_uchar() [L318] input_390 = __VERIFIER_nondet_uchar() [L319] input_400 = __VERIFIER_nondet_uchar() [L320] input_405 = __VERIFIER_nondet_uchar() [L321] input_407 = __VERIFIER_nondet_uchar() [L322] input_412 = __VERIFIER_nondet_uchar() [L323] input_416 = __VERIFIER_nondet_uchar() [L324] input_431 = __VERIFIER_nondet_uchar() [L325] input_433 = __VERIFIER_nondet_uchar() [L326] input_443 = __VERIFIER_nondet_uchar() [L327] input_448 = __VERIFIER_nondet_uchar() [L328] input_450 = __VERIFIER_nondet_uchar() [L329] input_455 = __VERIFIER_nondet_uchar() [L330] input_459 = __VERIFIER_nondet_uchar() [L333] SORT_1 var_116_arg_0 = state_44; [L334] SORT_3 var_116_arg_1 = var_114; [L335] SORT_3 var_116_arg_2 = var_115; [L336] SORT_3 var_116 = var_116_arg_0 ? var_116_arg_1 : var_116_arg_2; [L337] SORT_1 var_117_arg_0 = state_64; [L338] SORT_3 var_117_arg_1 = var_114; [L339] SORT_3 var_117_arg_2 = var_115; [L340] SORT_3 var_117 = var_117_arg_0 ? var_117_arg_1 : var_117_arg_2; [L341] SORT_3 var_118_arg_0 = var_116; [L342] SORT_3 var_118_arg_1 = var_117; [L343] SORT_3 var_118 = var_118_arg_0 + var_118_arg_1; [L344] SORT_1 var_119_arg_0 = state_84; [L345] SORT_3 var_119_arg_1 = var_114; [L346] SORT_3 var_119_arg_2 = var_115; [L347] SORT_3 var_119 = var_119_arg_0 ? var_119_arg_1 : var_119_arg_2; [L348] SORT_3 var_120_arg_0 = var_118; [L349] SORT_3 var_120_arg_1 = var_119; [L350] SORT_3 var_120 = var_120_arg_0 + var_120_arg_1; [L351] SORT_1 var_121_arg_0 = state_104; [L352] SORT_3 var_121_arg_1 = var_114; [L353] SORT_3 var_121_arg_2 = var_115; [L354] SORT_3 var_121 = var_121_arg_0 ? var_121_arg_1 : var_121_arg_2; [L355] SORT_3 var_122_arg_0 = var_120; [L356] SORT_3 var_122_arg_1 = var_121; [L357] SORT_3 var_122 = var_122_arg_0 + var_122_arg_1; VAL [input_143=0, input_158=0, input_173=0, input_188=0, input_215=0, input_228=0, input_241=0, input_254=0, input_267=0, input_268=0, input_269=0, input_270=0, input_271=0, input_272=0, input_273=0, input_274=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_122=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L358] EXPR var_122 & mask_SORT_3 VAL [input_143=0, input_158=0, input_173=0, input_188=0, input_215=0, input_228=0, input_241=0, input_254=0, input_267=0, input_268=0, input_269=0, input_270=0, input_271=0, input_272=0, input_273=0, input_274=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L358] var_122 = var_122 & mask_SORT_3 [L359] SORT_3 var_123_arg_0 = var_122; [L360] SORT_3 var_123_arg_1 = var_114; [L361] SORT_1 var_123 = var_123_arg_0 <= var_123_arg_1; [L362] SORT_1 var_124_arg_0 = ~state_112; VAL [input_143=0, input_158=0, input_173=0, input_188=0, input_215=0, input_228=0, input_241=0, input_254=0, input_267=0, input_268=0, input_269=0, input_270=0, input_271=0, input_272=0, input_273=0, input_274=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_123=1, var_124_arg_0=-1, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L363] EXPR var_124_arg_0 & mask_SORT_1 VAL [input_143=0, input_158=0, input_173=0, input_188=0, input_215=0, input_228=0, input_241=0, input_254=0, input_267=0, input_268=0, input_269=0, input_270=0, input_271=0, input_272=0, input_273=0, input_274=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_123=1, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L363] var_124_arg_0 = var_124_arg_0 & mask_SORT_1 [L364] SORT_1 var_124_arg_1 = ~var_123; VAL [input_143=0, input_158=0, input_173=0, input_188=0, input_215=0, input_228=0, input_241=0, input_254=0, input_267=0, input_268=0, input_269=0, input_270=0, input_271=0, input_272=0, input_273=0, input_274=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_124_arg_0=1, var_124_arg_1=-2, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L365] EXPR var_124_arg_1 & mask_SORT_1 VAL [input_143=0, input_158=0, input_173=0, input_188=0, input_215=0, input_228=0, input_241=0, input_254=0, input_267=0, input_268=0, input_269=0, input_270=0, input_271=0, input_272=0, input_273=0, input_274=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_124_arg_0=1, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L365] var_124_arg_1 = var_124_arg_1 & mask_SORT_1 [L366] EXPR var_124_arg_0 & var_124_arg_1 VAL [input_143=0, input_158=0, input_173=0, input_188=0, input_215=0, input_228=0, input_241=0, input_254=0, input_267=0, input_268=0, input_269=0, input_270=0, input_271=0, input_272=0, input_273=0, input_274=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L366] SORT_1 var_124 = var_124_arg_0 & var_124_arg_1; [L367] EXPR var_124 & mask_SORT_1 VAL [input_143=0, input_158=0, input_173=0, input_188=0, input_215=0, input_228=0, input_241=0, input_254=0, input_267=0, input_268=0, input_269=0, input_270=0, input_271=0, input_272=0, input_273=0, input_274=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L367] var_124 = var_124 & mask_SORT_1 [L368] SORT_1 bad_125_arg_0 = var_124; [L369] CALL __VERIFIER_assert(!(bad_125_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 3760 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.5s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 13.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10965 SdHoareTripleChecker+Valid, 12.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10965 mSDsluCounter, 86913 SdHoareTripleChecker+Invalid, 10.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 60679 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25482 IncrementalHoareTripleChecker+Invalid, 25485 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 26234 mSDtfsCounter, 25482 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3838occurred 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: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 3466 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1106 NumberOfCodeBlocks, 1106 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 939 ConstructedInterpolants, 0 QuantifiedInterpolants, 2180 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 [2025-02-05 19:30:50,667 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.mcs.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 43a547173bc5737aef686ddf95649235e9f271c4122df2cd7418215b3adcee9e --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-05 19:30:52,629 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 19:30:52,718 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2025-02-05 19:30:52,724 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 19:30:52,726 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 19:30:52,748 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 19:30:52,749 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 19:30:52,749 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 19:30:52,750 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 19:30:52,750 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 19:30:52,750 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 19:30:52,750 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 19:30:52,750 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 19:30:52,750 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 19:30:52,751 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 19:30:52,751 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 19:30:52,751 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 19:30:52,752 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 19:30:52,752 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 19:30:52,752 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 19:30:52,752 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 19:30:52,752 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-05 19:30:52,752 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-05 19:30:52,752 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-05 19:30:52,752 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 19:30:52,752 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 19:30:52,752 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 19:30:52,752 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 19:30:52,752 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 19:30:52,752 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 19:30:52,752 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 19:30:52,752 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 19:30:52,752 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 19:30:52,752 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 19:30:52,752 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 19:30:52,752 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 19:30:52,752 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-05 19:30:52,753 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-05 19:30:52,753 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 19:30:52,753 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 19:30:52,753 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 19:30:52,753 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 19:30:52,753 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 -> 43a547173bc5737aef686ddf95649235e9f271c4122df2cd7418215b3adcee9e [2025-02-05 19:30:52,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 19:30:53,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 19:30:53,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 19:30:53,005 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 19:30:53,005 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 19:30:53,006 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.3.prop1-func-interl.c [2025-02-05 19:30:54,192 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d7bf94347/fe9544f7d534491b8950e2ffe739e88b/FLAG9db8d91f4 [2025-02-05 19:30:54,532 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 19:30:54,532 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.3.prop1-func-interl.c [2025-02-05 19:30:54,557 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d7bf94347/fe9544f7d534491b8950e2ffe739e88b/FLAG9db8d91f4 [2025-02-05 19:30:54,572 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d7bf94347/fe9544f7d534491b8950e2ffe739e88b [2025-02-05 19:30:54,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 19:30:54,575 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 19:30:54,576 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 19:30:54,576 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 19:30:54,579 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 19:30:54,580 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 07:30:54" (1/1) ... [2025-02-05 19:30:54,582 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40959185 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:30:54, skipping insertion in model container [2025-02-05 19:30:54,582 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 07:30:54" (1/1) ... [2025-02-05 19:30:54,629 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 19:30:54,778 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.3.prop1-func-interl.c[1170,1183] [2025-02-05 19:30:55,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 19:30:55,181 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 19:30:55,213 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.mcs.3.prop1-func-interl.c[1170,1183] [2025-02-05 19:30:55,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 19:30:55,353 INFO L204 MainTranslator]: Completed translation [2025-02-05 19:30:55,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:30:55 WrapperNode [2025-02-05 19:30:55,354 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 19:30:55,355 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 19:30:55,356 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 19:30:55,356 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 19:30:55,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:30:55" (1/1) ... [2025-02-05 19:30:55,393 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:30:55" (1/1) ... [2025-02-05 19:30:55,501 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3204 [2025-02-05 19:30:55,501 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 19:30:55,502 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 19:30:55,502 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 19:30:55,502 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 19:30:55,508 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:30:55" (1/1) ... [2025-02-05 19:30:55,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:30:55" (1/1) ... [2025-02-05 19:30:55,529 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:30:55" (1/1) ... [2025-02-05 19:30:55,575 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]. [2025-02-05 19:30:55,575 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:30:55" (1/1) ... [2025-02-05 19:30:55,575 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:30:55" (1/1) ... [2025-02-05 19:30:55,649 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:30:55" (1/1) ... [2025-02-05 19:30:55,653 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:30:55" (1/1) ... [2025-02-05 19:30:55,663 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:30:55" (1/1) ... [2025-02-05 19:30:55,672 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:30:55" (1/1) ... [2025-02-05 19:30:55,689 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 19:30:55,690 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 19:30:55,690 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 19:30:55,690 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 19:30:55,691 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:30:55" (1/1) ... [2025-02-05 19:30:55,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 19:30:55,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 19:30:55,716 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) [2025-02-05 19:30:55,723 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 [2025-02-05 19:30:55,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 19:30:55,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-05 19:30:55,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 19:30:55,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 19:30:56,203 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 19:30:56,209 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 19:30:58,510 INFO L? ?]: Removed 148 outVars from TransFormulas that were not future-live. [2025-02-05 19:30:58,510 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 19:30:58,517 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 19:30:58,517 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 19:30:58,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 07:30:58 BoogieIcfgContainer [2025-02-05 19:30:58,518 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 19:30:58,520 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 19:30:58,520 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 19:30:58,523 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 19:30:58,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 07:30:54" (1/3) ... [2025-02-05 19:30:58,524 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a839b09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 07:30:58, skipping insertion in model container [2025-02-05 19:30:58,524 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 07:30:55" (2/3) ... [2025-02-05 19:30:58,525 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a839b09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 07:30:58, skipping insertion in model container [2025-02-05 19:30:58,525 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 07:30:58" (3/3) ... [2025-02-05 19:30:58,526 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mcs.3.prop1-func-interl.c [2025-02-05 19:30:58,536 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 19:30:58,537 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.mcs.3.prop1-func-interl.c that has 1 procedures, 10 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-05 19:30:58,570 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 19:30:58,578 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;@f660361, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 19:30:58,578 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-05 19:30:58,581 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-05 19:30:58,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-02-05 19:30:58,584 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 19:30:58,584 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-02-05 19:30:58,585 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 19:30:58,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 19:30:58,589 INFO L85 PathProgramCache]: Analyzing trace with hash 38140359, now seen corresponding path program 1 times [2025-02-05 19:30:58,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-05 19:30:58,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2074612383] [2025-02-05 19:30:58,599 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 19:30:58,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 19:30:58,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 19:30:58,603 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) [2025-02-05 19:30:58,608 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 [2025-02-05 19:30:59,042 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-05 19:30:59,068 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-05 19:30:59,068 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 19:30:59,068 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 19:30:59,076 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 42 conjuncts are in the unsatisfiable core [2025-02-05 19:30:59,088 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 19:30:59,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 19:30:59,298 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 19:30:59,298 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-05 19:30:59,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2074612383] [2025-02-05 19:30:59,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2074612383] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 19:30:59,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 19:30:59,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-05 19:30:59,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764096471] [2025-02-05 19:30:59,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 19:30:59,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-05 19:30:59,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-05 19:30:59,314 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-05 19:30:59,314 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-05 19:30:59,315 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-05 19:30:59,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 19:30:59,463 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2025-02-05 19:30:59,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-05 19:30:59,465 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-02-05 19:30:59,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 19:30:59,469 INFO L225 Difference]: With dead ends: 18 [2025-02-05 19:30:59,469 INFO L226 Difference]: Without dead ends: 10 [2025-02-05 19:30:59,471 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 [2025-02-05 19:30:59,472 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-05 19:30:59,473 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-05 19:30:59,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2025-02-05 19:30:59,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2025-02-05 19:30:59,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-05 19:30:59,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2025-02-05 19:30:59,490 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2025-02-05 19:30:59,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 19:30:59,490 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2025-02-05 19:30:59,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-05 19:30:59,490 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2025-02-05 19:30:59,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-02-05 19:30:59,490 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 19:30:59,490 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2025-02-05 19:30:59,499 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-02-05 19:30:59,691 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 [2025-02-05 19:30:59,691 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 19:30:59,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 19:30:59,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1926026653, now seen corresponding path program 1 times [2025-02-05 19:30:59,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-05 19:30:59,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1300299789] [2025-02-05 19:30:59,693 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 19:30:59,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 19:30:59,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 19:30:59,695 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) [2025-02-05 19:30:59,697 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 [2025-02-05 19:31:00,245 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-05 19:31:00,352 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-05 19:31:00,352 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 19:31:00,352 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 19:31:00,370 INFO L256 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 67 conjuncts are in the unsatisfiable core [2025-02-05 19:31:00,392 INFO L279 TraceCheckSpWp]: Computing forward predicates...