./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.2.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.2.prop1-func-interl.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c482feebae2e4674787294054b23234696017dfe8b10199ec324ab4d13763155 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-16 21:58:13,748 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-16 21:58:13,792 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-16 21:58:13,796 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-16 21:58:13,796 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-16 21:58:13,814 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-16 21:58:13,815 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-16 21:58:13,815 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-16 21:58:13,816 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-16 21:58:13,816 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-16 21:58:13,816 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-16 21:58:13,817 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-16 21:58:13,817 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-16 21:58:13,817 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-16 21:58:13,817 INFO L153 SettingsManager]: * Use SBE=true [2025-03-16 21:58:13,818 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-16 21:58:13,818 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-16 21:58:13,818 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-16 21:58:13,818 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-16 21:58:13,818 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-16 21:58:13,818 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-16 21:58:13,818 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-16 21:58:13,818 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-16 21:58:13,818 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-16 21:58:13,818 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-16 21:58:13,818 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-16 21:58:13,818 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-16 21:58:13,818 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-16 21:58:13,818 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-16 21:58:13,819 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 21:58:13,819 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-16 21:58:13,819 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-16 21:58:13,819 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-16 21:58:13,819 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-16 21:58:13,819 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-16 21:58:13,819 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-16 21:58:13,819 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-16 21:58:13,820 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-16 21:58:13,820 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-16 21:58:13,820 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-16 21:58:13,820 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/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 -> c482feebae2e4674787294054b23234696017dfe8b10199ec324ab4d13763155 [2025-03-16 21:58:14,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-16 21:58:14,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-16 21:58:14,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-16 21:58:14,073 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-16 21:58:14,073 INFO L274 PluginConnector]: CDTParser initialized [2025-03-16 21:58:14,074 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.2.prop1-func-interl.c [2025-03-16 21:58:15,218 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ffd0a8cb/46b83100d81a49b3ad59acfc3a9ff9df/FLAG5a958bf30 [2025-03-16 21:58:15,573 INFO L384 CDTParser]: Found 1 translation units. [2025-03-16 21:58:15,574 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.2.prop1-func-interl.c [2025-03-16 21:58:15,587 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ffd0a8cb/46b83100d81a49b3ad59acfc3a9ff9df/FLAG5a958bf30 [2025-03-16 21:58:15,787 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ffd0a8cb/46b83100d81a49b3ad59acfc3a9ff9df [2025-03-16 21:58:15,789 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-16 21:58:15,790 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-16 21:58:15,791 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-16 21:58:15,791 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-16 21:58:15,794 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-16 21:58:15,794 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 09:58:15" (1/1) ... [2025-03-16 21:58:15,795 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55ac33a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:58:15, skipping insertion in model container [2025-03-16 21:58:15,795 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 09:58:15" (1/1) ... [2025-03-16 21:58:15,836 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-16 21:58:15,977 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.2.prop1-func-interl.c[1174,1187] [2025-03-16 21:58:16,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 21:58:16,333 INFO L200 MainTranslator]: Completed pre-run [2025-03-16 21:58:16,341 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.2.prop1-func-interl.c[1174,1187] [2025-03-16 21:58:16,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 21:58:16,546 INFO L204 MainTranslator]: Completed translation [2025-03-16 21:58:16,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:58:16 WrapperNode [2025-03-16 21:58:16,547 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-16 21:58:16,547 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-16 21:58:16,548 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-16 21:58:16,548 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-16 21:58:16,552 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:58:16" (1/1) ... [2025-03-16 21:58:16,603 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:58:16" (1/1) ... [2025-03-16 21:58:17,232 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 8027 [2025-03-16 21:58:17,232 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-16 21:58:17,233 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-16 21:58:17,233 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-16 21:58:17,233 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-16 21:58:17,239 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:58:16" (1/1) ... [2025-03-16 21:58:17,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:58:16" (1/1) ... [2025-03-16 21:58:17,403 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:58:16" (1/1) ... [2025-03-16 21:58:17,524 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]. [2025-03-16 21:58:17,525 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:58:16" (1/1) ... [2025-03-16 21:58:17,526 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:58:16" (1/1) ... [2025-03-16 21:58:17,695 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:58:16" (1/1) ... [2025-03-16 21:58:17,718 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:58:16" (1/1) ... [2025-03-16 21:58:17,750 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:58:16" (1/1) ... [2025-03-16 21:58:17,783 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:58:16" (1/1) ... [2025-03-16 21:58:17,856 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-16 21:58:17,858 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-16 21:58:17,858 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-16 21:58:17,858 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-16 21:58:17,859 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:58:16" (1/1) ... [2025-03-16 21:58:17,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 21:58:17,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 21:58:17,885 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-16 21:58:17,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-16 21:58:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-16 21:58:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-16 21:58:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-16 21:58:17,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-16 21:58:18,291 INFO L256 CfgBuilder]: Building ICFG [2025-03-16 21:58:18,292 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-16 21:58:27,047 INFO L? ?]: Removed 4548 outVars from TransFormulas that were not future-live. [2025-03-16 21:58:27,047 INFO L307 CfgBuilder]: Performing block encoding [2025-03-16 21:58:27,260 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-16 21:58:27,260 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-16 21:58:27,261 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 09:58:27 BoogieIcfgContainer [2025-03-16 21:58:27,261 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-16 21:58:27,263 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-16 21:58:27,263 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-16 21:58:27,266 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-16 21:58:27,266 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 09:58:15" (1/3) ... [2025-03-16 21:58:27,267 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@347149c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 09:58:27, skipping insertion in model container [2025-03-16 21:58:27,268 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:58:16" (2/3) ... [2025-03-16 21:58:27,268 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@347149c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 09:58:27, skipping insertion in model container [2025-03-16 21:58:27,268 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 09:58:27" (3/3) ... [2025-03-16 21:58:27,269 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.lamport.2.prop1-func-interl.c [2025-03-16 21:58:27,282 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-16 21:58:27,283 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.lamport.2.prop1-func-interl.c that has 1 procedures, 2820 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-16 21:58:27,361 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-16 21:58:27,369 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;@1984a8b7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-16 21:58:27,370 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-16 21:58:27,381 INFO L276 IsEmpty]: Start isEmpty. Operand has 2820 states, 2818 states have (on average 1.500709723207949) internal successors, (4229), 2819 states have internal predecessors, (4229), 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) [2025-03-16 21:58:27,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-03-16 21:58:27,391 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 21:58:27,391 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] [2025-03-16 21:58:27,392 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 21:58:27,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 21:58:27,397 INFO L85 PathProgramCache]: Analyzing trace with hash 772520059, now seen corresponding path program 1 times [2025-03-16 21:58:27,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 21:58:27,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654148677] [2025-03-16 21:58:27,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 21:58:27,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 21:58:27,518 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-03-16 21:58:27,634 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-03-16 21:58:27,635 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 21:58:27,635 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 21:58:28,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 21:58:28,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 21:58:28,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654148677] [2025-03-16 21:58:28,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654148677] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 21:58:28,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 21:58:28,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-16 21:58:28,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096142254] [2025-03-16 21:58:28,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 21:58:28,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-16 21:58:28,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 21:58:28,298 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-16 21:58:28,299 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-16 21:58:28,309 INFO L87 Difference]: Start difference. First operand has 2820 states, 2818 states have (on average 1.500709723207949) internal successors, (4229), 2819 states have internal predecessors, (4229), 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 33.5) internal successors, (134), 4 states have internal predecessors, (134), 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) [2025-03-16 21:58:29,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 21:58:29,996 INFO L93 Difference]: Finished difference Result 5483 states and 8225 transitions. [2025-03-16 21:58:29,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-16 21:58:29,998 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.5) internal successors, (134), 4 states have internal predecessors, (134), 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 134 [2025-03-16 21:58:29,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 21:58:30,017 INFO L225 Difference]: With dead ends: 5483 [2025-03-16 21:58:30,017 INFO L226 Difference]: Without dead ends: 2820 [2025-03-16 21:58:30,024 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 [2025-03-16 21:58:30,027 INFO L435 NwaCegarLoop]: 3522 mSDtfsCounter, 0 mSDsluCounter, 7039 mSDsCounter, 0 mSdLazyCounter, 2116 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10561 SdHoareTripleChecker+Invalid, 2116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-03-16 21:58:30,027 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10561 Invalid, 2116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2116 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-03-16 21:58:30,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2820 states. [2025-03-16 21:58:30,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2820 to 2820. [2025-03-16 21:58:30,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2820 states, 2819 states have (on average 1.4998226321390564) internal successors, (4228), 2819 states have internal predecessors, (4228), 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) [2025-03-16 21:58:30,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2820 states to 2820 states and 4228 transitions. [2025-03-16 21:58:30,137 INFO L78 Accepts]: Start accepts. Automaton has 2820 states and 4228 transitions. Word has length 134 [2025-03-16 21:58:30,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 21:58:30,137 INFO L471 AbstractCegarLoop]: Abstraction has 2820 states and 4228 transitions. [2025-03-16 21:58:30,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.5) internal successors, (134), 4 states have internal predecessors, (134), 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) [2025-03-16 21:58:30,137 INFO L276 IsEmpty]: Start isEmpty. Operand 2820 states and 4228 transitions. [2025-03-16 21:58:30,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2025-03-16 21:58:30,142 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 21:58:30,142 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] [2025-03-16 21:58:30,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-16 21:58:30,143 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 21:58:30,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 21:58:30,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1816998337, now seen corresponding path program 1 times [2025-03-16 21:58:30,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 21:58:30,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195916592] [2025-03-16 21:58:30,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 21:58:30,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 21:58:30,189 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 135 statements into 1 equivalence classes. [2025-03-16 21:58:30,215 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 135 of 135 statements. [2025-03-16 21:58:30,216 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 21:58:30,217 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 21:58:30,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 21:58:30,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 21:58:30,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195916592] [2025-03-16 21:58:30,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195916592] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 21:58:30,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 21:58:30,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-16 21:58:30,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424477901] [2025-03-16 21:58:30,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 21:58:30,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-16 21:58:30,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 21:58:30,440 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-16 21:58:30,441 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-16 21:58:30,442 INFO L87 Difference]: Start difference. First operand 2820 states and 4228 transitions. Second operand has 4 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 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) [2025-03-16 21:58:31,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 21:58:31,505 INFO L93 Difference]: Finished difference Result 5485 states and 8224 transitions. [2025-03-16 21:58:31,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-16 21:58:31,505 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 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 135 [2025-03-16 21:58:31,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 21:58:31,518 INFO L225 Difference]: With dead ends: 5485 [2025-03-16 21:58:31,519 INFO L226 Difference]: Without dead ends: 2822 [2025-03-16 21:58:31,524 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 [2025-03-16 21:58:31,526 INFO L435 NwaCegarLoop]: 3522 mSDtfsCounter, 0 mSDsluCounter, 7036 mSDsCounter, 0 mSdLazyCounter, 2119 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10558 SdHoareTripleChecker+Invalid, 2119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-16 21:58:31,526 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10558 Invalid, 2119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2119 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-16 21:58:31,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2822 states. [2025-03-16 21:58:31,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2822 to 2822. [2025-03-16 21:58:31,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2822 states, 2821 states have (on average 1.4994682736618221) internal successors, (4230), 2821 states have internal predecessors, (4230), 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) [2025-03-16 21:58:31,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2822 states to 2822 states and 4230 transitions. [2025-03-16 21:58:31,590 INFO L78 Accepts]: Start accepts. Automaton has 2822 states and 4230 transitions. Word has length 135 [2025-03-16 21:58:31,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 21:58:31,591 INFO L471 AbstractCegarLoop]: Abstraction has 2822 states and 4230 transitions. [2025-03-16 21:58:31,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 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) [2025-03-16 21:58:31,591 INFO L276 IsEmpty]: Start isEmpty. Operand 2822 states and 4230 transitions. [2025-03-16 21:58:31,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2025-03-16 21:58:31,595 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 21:58:31,595 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] [2025-03-16 21:58:31,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-16 21:58:31,596 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 21:58:31,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 21:58:31,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1439140086, now seen corresponding path program 1 times [2025-03-16 21:58:31,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 21:58:31,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464752635] [2025-03-16 21:58:31,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 21:58:31,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 21:58:31,644 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 136 statements into 1 equivalence classes. [2025-03-16 21:58:31,663 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 136 of 136 statements. [2025-03-16 21:58:31,664 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 21:58:31,664 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 21:58:31,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 21:58:31,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 21:58:31,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464752635] [2025-03-16 21:58:31,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464752635] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 21:58:31,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 21:58:31,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-16 21:58:31,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834630072] [2025-03-16 21:58:31,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 21:58:31,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-16 21:58:31,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 21:58:31,871 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-16 21:58:31,871 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-16 21:58:31,872 INFO L87 Difference]: Start difference. First operand 2822 states and 4230 transitions. Second operand has 4 states, 4 states have (on average 34.0) internal successors, (136), 4 states have internal predecessors, (136), 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) [2025-03-16 21:58:32,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 21:58:32,839 INFO L93 Difference]: Finished difference Result 5489 states and 8228 transitions. [2025-03-16 21:58:32,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-16 21:58:32,840 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 4 states have internal predecessors, (136), 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 136 [2025-03-16 21:58:32,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 21:58:32,850 INFO L225 Difference]: With dead ends: 5489 [2025-03-16 21:58:32,851 INFO L226 Difference]: Without dead ends: 2824 [2025-03-16 21:58:32,855 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 [2025-03-16 21:58:32,855 INFO L435 NwaCegarLoop]: 3522 mSDtfsCounter, 0 mSDsluCounter, 7031 mSDsCounter, 0 mSdLazyCounter, 2124 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10553 SdHoareTripleChecker+Invalid, 2124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-03-16 21:58:32,857 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10553 Invalid, 2124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2124 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-03-16 21:58:32,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2824 states. [2025-03-16 21:58:32,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2824 to 2824. [2025-03-16 21:58:32,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2824 states, 2823 states have (on average 1.4991144172865745) internal successors, (4232), 2823 states have internal predecessors, (4232), 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) [2025-03-16 21:58:32,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2824 states to 2824 states and 4232 transitions. [2025-03-16 21:58:32,895 INFO L78 Accepts]: Start accepts. Automaton has 2824 states and 4232 transitions. Word has length 136 [2025-03-16 21:58:32,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 21:58:32,895 INFO L471 AbstractCegarLoop]: Abstraction has 2824 states and 4232 transitions. [2025-03-16 21:58:32,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 4 states have internal predecessors, (136), 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) [2025-03-16 21:58:32,896 INFO L276 IsEmpty]: Start isEmpty. Operand 2824 states and 4232 transitions. [2025-03-16 21:58:32,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2025-03-16 21:58:32,897 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 21:58:32,897 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] [2025-03-16 21:58:32,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-16 21:58:32,898 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 21:58:32,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 21:58:32,899 INFO L85 PathProgramCache]: Analyzing trace with hash -742930620, now seen corresponding path program 1 times [2025-03-16 21:58:32,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 21:58:32,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810732461] [2025-03-16 21:58:32,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 21:58:32,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 21:58:32,934 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-03-16 21:58:32,957 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-03-16 21:58:32,957 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 21:58:32,957 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 21:58:33,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 21:58:33,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 21:58:33,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810732461] [2025-03-16 21:58:33,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810732461] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 21:58:33,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 21:58:33,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-16 21:58:33,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221974427] [2025-03-16 21:58:33,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 21:58:33,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-16 21:58:33,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 21:58:33,105 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-16 21:58:33,105 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-16 21:58:33,105 INFO L87 Difference]: Start difference. First operand 2824 states and 4232 transitions. Second operand has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 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) [2025-03-16 21:58:34,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 21:58:34,097 INFO L93 Difference]: Finished difference Result 5499 states and 8240 transitions. [2025-03-16 21:58:34,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-16 21:58:34,097 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 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 137 [2025-03-16 21:58:34,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 21:58:34,105 INFO L225 Difference]: With dead ends: 5499 [2025-03-16 21:58:34,105 INFO L226 Difference]: Without dead ends: 2832 [2025-03-16 21:58:34,108 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 [2025-03-16 21:58:34,109 INFO L435 NwaCegarLoop]: 3522 mSDtfsCounter, 3 mSDsluCounter, 7031 mSDsCounter, 0 mSdLazyCounter, 2124 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 10553 SdHoareTripleChecker+Invalid, 2124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-03-16 21:58:34,109 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 10553 Invalid, 2124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2124 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-03-16 21:58:34,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2832 states. [2025-03-16 21:58:34,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2832 to 2828. [2025-03-16 21:58:34,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2828 states, 2827 states have (on average 1.499115670321896) internal successors, (4238), 2827 states have internal predecessors, (4238), 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) [2025-03-16 21:58:34,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2828 states to 2828 states and 4238 transitions. [2025-03-16 21:58:34,145 INFO L78 Accepts]: Start accepts. Automaton has 2828 states and 4238 transitions. Word has length 137 [2025-03-16 21:58:34,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 21:58:34,146 INFO L471 AbstractCegarLoop]: Abstraction has 2828 states and 4238 transitions. [2025-03-16 21:58:34,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 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) [2025-03-16 21:58:34,146 INFO L276 IsEmpty]: Start isEmpty. Operand 2828 states and 4238 transitions. [2025-03-16 21:58:34,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2025-03-16 21:58:34,147 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 21:58:34,148 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] [2025-03-16 21:58:34,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-16 21:58:34,148 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 21:58:34,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 21:58:34,148 INFO L85 PathProgramCache]: Analyzing trace with hash -856210831, now seen corresponding path program 1 times [2025-03-16 21:58:34,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 21:58:34,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717477220] [2025-03-16 21:58:34,149 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 21:58:34,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 21:58:34,180 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-03-16 21:58:34,213 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-03-16 21:58:34,213 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 21:58:34,213 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 21:58:34,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 21:58:34,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 21:58:34,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717477220] [2025-03-16 21:58:34,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717477220] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 21:58:34,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 21:58:34,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-16 21:58:34,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485663456] [2025-03-16 21:58:34,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 21:58:34,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-16 21:58:34,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 21:58:34,481 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-16 21:58:34,481 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-16 21:58:34,481 INFO L87 Difference]: Start difference. First operand 2828 states and 4238 transitions. Second operand has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 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) [2025-03-16 21:58:37,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 21:58:37,354 INFO L93 Difference]: Finished difference Result 8154 states and 12220 transitions. [2025-03-16 21:58:37,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-16 21:58:37,355 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 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 138 [2025-03-16 21:58:37,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 21:58:37,372 INFO L225 Difference]: With dead ends: 8154 [2025-03-16 21:58:37,372 INFO L226 Difference]: Without dead ends: 5483 [2025-03-16 21:58:37,378 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-16 21:58:37,379 INFO L435 NwaCegarLoop]: 2807 mSDtfsCounter, 4083 mSDsluCounter, 8311 mSDsCounter, 0 mSdLazyCounter, 5551 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4083 SdHoareTripleChecker+Valid, 11118 SdHoareTripleChecker+Invalid, 5552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2025-03-16 21:58:37,379 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4083 Valid, 11118 Invalid, 5552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5551 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2025-03-16 21:58:37,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5483 states. [2025-03-16 21:58:37,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5483 to 2919. [2025-03-16 21:58:37,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2919 states, 2918 states have (on average 1.4986291980808772) internal successors, (4373), 2918 states have internal predecessors, (4373), 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) [2025-03-16 21:58:37,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2919 states to 2919 states and 4373 transitions. [2025-03-16 21:58:37,433 INFO L78 Accepts]: Start accepts. Automaton has 2919 states and 4373 transitions. Word has length 138 [2025-03-16 21:58:37,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 21:58:37,433 INFO L471 AbstractCegarLoop]: Abstraction has 2919 states and 4373 transitions. [2025-03-16 21:58:37,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 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) [2025-03-16 21:58:37,434 INFO L276 IsEmpty]: Start isEmpty. Operand 2919 states and 4373 transitions. [2025-03-16 21:58:37,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2025-03-16 21:58:37,435 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 21:58:37,435 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] [2025-03-16 21:58:37,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-16 21:58:37,435 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 21:58:37,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 21:58:37,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1764173322, now seen corresponding path program 1 times [2025-03-16 21:58:37,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 21:58:37,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658813936] [2025-03-16 21:58:37,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 21:58:37,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 21:58:37,464 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-03-16 21:58:37,493 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-03-16 21:58:37,493 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 21:58:37,493 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 21:58:37,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 21:58:37,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 21:58:37,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658813936] [2025-03-16 21:58:37,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658813936] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 21:58:37,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 21:58:37,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-16 21:58:37,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527164883] [2025-03-16 21:58:37,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 21:58:37,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-16 21:58:37,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 21:58:37,887 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-16 21:58:37,887 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-16 21:58:37,887 INFO L87 Difference]: Start difference. First operand 2919 states and 4373 transitions. Second operand has 5 states, 5 states have (on average 27.8) internal successors, (139), 4 states have internal predecessors, (139), 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) [2025-03-16 21:58:39,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 21:58:39,804 INFO L93 Difference]: Finished difference Result 5590 states and 8376 transitions. [2025-03-16 21:58:39,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-16 21:58:39,805 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.8) internal successors, (139), 4 states have internal predecessors, (139), 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 139 [2025-03-16 21:58:39,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 21:58:39,811 INFO L225 Difference]: With dead ends: 5590 [2025-03-16 21:58:39,811 INFO L226 Difference]: Without dead ends: 2919 [2025-03-16 21:58:39,814 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-03-16 21:58:39,814 INFO L435 NwaCegarLoop]: 2799 mSDtfsCounter, 4104 mSDsluCounter, 5588 mSDsCounter, 0 mSdLazyCounter, 4276 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4104 SdHoareTripleChecker+Valid, 8387 SdHoareTripleChecker+Invalid, 4277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-03-16 21:58:39,814 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4104 Valid, 8387 Invalid, 4277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4276 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-03-16 21:58:39,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2919 states. [2025-03-16 21:58:39,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2919 to 2919. [2025-03-16 21:58:39,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2919 states, 2918 states have (on average 1.4972583961617547) internal successors, (4369), 2918 states have internal predecessors, (4369), 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) [2025-03-16 21:58:39,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2919 states to 2919 states and 4369 transitions. [2025-03-16 21:58:39,849 INFO L78 Accepts]: Start accepts. Automaton has 2919 states and 4369 transitions. Word has length 139 [2025-03-16 21:58:39,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 21:58:39,849 INFO L471 AbstractCegarLoop]: Abstraction has 2919 states and 4369 transitions. [2025-03-16 21:58:39,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.8) internal successors, (139), 4 states have internal predecessors, (139), 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) [2025-03-16 21:58:39,850 INFO L276 IsEmpty]: Start isEmpty. Operand 2919 states and 4369 transitions. [2025-03-16 21:58:39,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2025-03-16 21:58:39,850 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 21:58:39,851 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 21:58:39,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-16 21:58:39,851 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 21:58:39,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 21:58:39,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1971724990, now seen corresponding path program 1 times [2025-03-16 21:58:39,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 21:58:39,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36481200] [2025-03-16 21:58:39,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 21:58:39,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 21:58:39,880 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 140 statements into 1 equivalence classes. [2025-03-16 21:58:39,914 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 140 of 140 statements. [2025-03-16 21:58:39,914 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 21:58:39,914 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-16 21:58:39,914 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-16 21:58:39,931 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 140 statements into 1 equivalence classes. [2025-03-16 21:58:39,961 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 140 of 140 statements. [2025-03-16 21:58:39,961 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 21:58:39,961 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-16 21:58:40,040 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-16 21:58:40,040 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-16 21:58:40,041 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-16 21:58:40,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-16 21:58:40,044 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2025-03-16 21:58:40,124 WARN L310 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2025-03-16 21:58:40,146 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-16 21:58:40,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 09:58:40 BoogieIcfgContainer [2025-03-16 21:58:40,148 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-16 21:58:40,148 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-16 21:58:40,148 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-16 21:58:40,149 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-16 21:58:40,150 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 09:58:27" (3/4) ... [2025-03-16 21:58:40,152 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-16 21:58:40,152 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-16 21:58:40,153 INFO L158 Benchmark]: Toolchain (without parser) took 24362.94ms. Allocated memory was 167.8MB in the beginning and 755.0MB in the end (delta: 587.2MB). Free memory was 130.6MB in the beginning and 178.2MB in the end (delta: -47.6MB). Peak memory consumption was 542.8MB. Max. memory is 16.1GB. [2025-03-16 21:58:40,154 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 226.5MB. Free memory is still 140.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 21:58:40,154 INFO L158 Benchmark]: CACSL2BoogieTranslator took 756.02ms. Allocated memory was 167.8MB in the beginning and 176.2MB in the end (delta: 8.4MB). Free memory was 130.6MB in the beginning and 103.7MB in the end (delta: 26.9MB). Peak memory consumption was 124.9MB. Max. memory is 16.1GB. [2025-03-16 21:58:40,154 INFO L158 Benchmark]: Boogie Procedure Inliner took 684.87ms. Allocated memory was 176.2MB in the beginning and 453.0MB in the end (delta: 276.8MB). Free memory was 103.7MB in the beginning and 239.0MB in the end (delta: -135.4MB). Peak memory consumption was 147.3MB. Max. memory is 16.1GB. [2025-03-16 21:58:40,154 INFO L158 Benchmark]: Boogie Preprocessor took 623.88ms. Allocated memory is still 453.0MB. Free memory was 239.0MB in the beginning and 178.7MB in the end (delta: 60.3MB). Peak memory consumption was 63.2MB. Max. memory is 16.1GB. [2025-03-16 21:58:40,154 INFO L158 Benchmark]: IcfgBuilder took 9403.28ms. Allocated memory was 453.0MB in the beginning and 1.1GB in the end (delta: 687.9MB). Free memory was 178.7MB in the beginning and 452.2MB in the end (delta: -273.5MB). Peak memory consumption was 658.9MB. Max. memory is 16.1GB. [2025-03-16 21:58:40,155 INFO L158 Benchmark]: TraceAbstraction took 12885.45ms. Allocated memory was 1.1GB in the beginning and 755.0MB in the end (delta: -385.9MB). Free memory was 448.0MB in the beginning and 178.2MB in the end (delta: 269.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 21:58:40,155 INFO L158 Benchmark]: Witness Printer took 3.86ms. Allocated memory is still 755.0MB. Free memory was 178.2MB in the beginning and 178.2MB in the end (delta: 26.9kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 21:58:40,156 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 226.5MB. Free memory is still 140.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 756.02ms. Allocated memory was 167.8MB in the beginning and 176.2MB in the end (delta: 8.4MB). Free memory was 130.6MB in the beginning and 103.7MB in the end (delta: 26.9MB). Peak memory consumption was 124.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 684.87ms. Allocated memory was 176.2MB in the beginning and 453.0MB in the end (delta: 276.8MB). Free memory was 103.7MB in the beginning and 239.0MB in the end (delta: -135.4MB). Peak memory consumption was 147.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 623.88ms. Allocated memory is still 453.0MB. Free memory was 239.0MB in the beginning and 178.7MB in the end (delta: 60.3MB). Peak memory consumption was 63.2MB. Max. memory is 16.1GB. * IcfgBuilder took 9403.28ms. Allocated memory was 453.0MB in the beginning and 1.1GB in the end (delta: 687.9MB). Free memory was 178.7MB in the beginning and 452.2MB in the end (delta: -273.5MB). Peak memory consumption was 658.9MB. Max. memory is 16.1GB. * TraceAbstraction took 12885.45ms. Allocated memory was 1.1GB in the beginning and 755.0MB in the end (delta: -385.9MB). Free memory was 448.0MB in the beginning and 178.2MB in the end (delta: 269.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.86ms. Allocated memory is still 755.0MB. Free memory was 178.2MB in the beginning and 178.2MB in the end (delta: 26.9kB). 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 303, overapproximation of bitwiseAnd at line 301. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L38] const SORT_2 var_5 = 0; [L39] const SORT_1 var_22 = 0; [L40] const SORT_4 var_85 = 1; [L41] const SORT_4 var_86 = 0; [L42] const SORT_2 var_95 = 0; [L43] const SORT_2 var_96 = 255; [L44] const SORT_2 var_108 = 1; [L45] const SORT_2 var_132 = 2; [L46] const SORT_3 var_169 = 0; [L47] const SORT_4 var_337 = 3; [L48] const SORT_2 var_348 = 3; [L50] SORT_1 input_99; [L51] SORT_1 input_101; [L52] SORT_1 input_103; [L53] SORT_1 input_104; [L54] SORT_1 input_105; [L55] SORT_1 input_107; [L56] SORT_1 input_118; [L57] SORT_1 input_119; [L58] SORT_1 input_121; [L59] SORT_1 input_130; [L60] SORT_1 input_131; [L61] SORT_1 input_135; [L62] SORT_1 input_145; [L63] SORT_1 input_146; [L64] SORT_1 input_147; [L65] SORT_1 input_153; [L66] SORT_1 input_154; [L67] SORT_1 input_155; [L68] SORT_1 input_156; [L69] SORT_1 input_157; [L70] SORT_1 input_158; [L71] SORT_1 input_168; [L72] SORT_1 input_176; [L73] SORT_1 input_183; [L74] SORT_1 input_191; [L75] SORT_1 input_193; [L76] SORT_1 input_197; [L77] SORT_1 input_199; [L78] SORT_1 input_208; [L79] SORT_1 input_222; [L80] SORT_1 input_233; [L81] SORT_1 input_235; [L82] SORT_1 input_239; [L83] SORT_1 input_241; [L84] SORT_1 input_250; [L85] SORT_1 input_264; [L86] SORT_1 input_275; [L87] SORT_1 input_277; [L88] SORT_1 input_281; [L89] SORT_1 input_283; [L90] SORT_1 input_292; [L91] SORT_1 input_306; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=1, var_132=2, var_169=0, var_22=0, var_337=3, var_348=3, var_5=0, var_85=1, var_86=0, var_95=0, var_96=255] [L93] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=1, var_132=2, var_169=0, var_22=0, var_337=3, var_348=3, var_5=0, var_85=1, var_86=0, var_95=0, var_96=255] [L94] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=1, var_132=2, var_169=0, var_22=0, var_337=3, var_348=3, var_5=0, var_85=1, var_86=0, var_95=0, var_96=255] [L95] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=1, var_132=2, var_169=0, var_22=0, var_337=3, var_348=3, var_5=0, var_85=1, var_86=0, var_95=0, var_96=255] [L96] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L97] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=1, var_132=2, var_169=0, var_22=0, var_337=3, var_348=3, var_5=0, var_85=1, var_86=0, var_95=0, var_96=255] [L97] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=1, var_132=2, var_169=0, var_22=0, var_337=3, var_348=3, var_5=0, var_85=1, var_86=0, var_95=0, var_96=255] [L98] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=1, var_132=2, var_169=0, var_22=0, var_337=3, var_348=3, var_5=0, var_85=1, var_86=0, var_95=0, var_96=255] [L99] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=1, var_132=2, var_169=0, var_22=0, var_337=3, var_348=3, var_5=0, var_85=1, var_86=0, var_95=0, var_96=255] [L100] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=1, var_132=2, var_169=0, var_22=0, var_337=3, var_348=3, var_5=0, var_85=1, var_86=0, var_95=0, var_96=255] [L101] SORT_1 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L102] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=1, var_132=2, var_169=0, var_22=0, var_337=3, var_348=3, var_5=0, var_85=1, var_86=0, var_95=0, var_96=255] [L102] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L103] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=1, var_132=2, var_169=0, var_22=0, var_337=3, var_348=3, var_5=0, var_85=1, var_86=0, var_95=0, var_96=255] [L103] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L104] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=1, var_132=2, var_169=0, var_22=0, var_337=3, var_348=3, var_5=0, var_85=1, var_86=0, var_95=0, var_96=255] [L104] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=1, var_132=2, var_169=0, var_22=0, var_337=3, var_348=3, var_5=0, var_85=1, var_86=0, var_95=0, var_96=255] [L105] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=1, var_132=2, var_169=0, var_22=0, var_337=3, var_348=3, var_5=0, var_85=1, var_86=0, var_95=0, var_96=255] [L106] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L107] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=1, var_132=2, var_169=0, var_22=0, var_337=3, var_348=3, var_5=0, var_85=1, var_86=0, var_95=0, var_96=255] [L107] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=1, var_132=2, var_169=0, var_22=0, var_337=3, var_348=3, var_5=0, var_85=1, var_86=0, var_95=0, var_96=255] [L108] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=1, var_132=2, var_169=0, var_22=0, var_337=3, var_348=3, var_5=0, var_85=1, var_86=0, var_95=0, var_96=255] [L109] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=1, var_132=2, var_169=0, var_22=0, var_337=3, var_348=3, var_5=0, var_85=1, var_86=0, var_95=0, var_96=255] [L110] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=1, var_132=2, var_169=0, var_22=0, var_337=3, var_348=3, var_5=0, var_85=1, var_86=0, var_95=0, var_96=255] [L111] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=1, var_132=2, var_169=0, var_22=0, var_337=3, var_348=3, var_5=0, var_85=1, var_86=0, var_95=0, var_96=255] [L112] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=1, var_132=2, var_169=0, var_22=0, var_337=3, var_348=3, var_5=0, var_85=1, var_86=0, var_95=0, var_96=255] [L113] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L114] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=1, var_132=2, var_169=0, var_22=0, var_337=3, var_348=3, var_5=0, var_85=1, var_86=0, var_95=0, var_96=255] [L114] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=1, var_132=2, var_169=0, var_22=0, var_337=3, var_348=3, var_5=0, var_85=1, var_86=0, var_95=0, var_96=255] [L115] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L116] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=1, var_132=2, var_169=0, var_22=0, var_337=3, var_348=3, var_5=0, var_85=1, var_86=0, var_95=0, var_96=255] [L116] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=1, var_132=2, var_169=0, var_22=0, var_337=3, var_348=3, var_5=0, var_85=1, var_86=0, var_95=0, var_96=255] [L117] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=1, var_132=2, var_169=0, var_22=0, var_337=3, var_348=3, var_5=0, var_85=1, var_86=0, var_95=0, var_96=255] [L118] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=1, var_132=2, var_169=0, var_22=0, var_337=3, var_348=3, var_5=0, var_85=1, var_86=0, var_95=0, var_96=255] [L119] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L120] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=1, var_132=2, var_169=0, var_22=0, var_337=3, var_348=3, var_5=0, var_85=1, var_86=0, var_95=0, var_96=255] [L120] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L121] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=1, var_132=2, var_169=0, var_22=0, var_337=3, var_348=3, var_5=0, var_85=1, var_86=0, var_95=0, var_96=255] [L121] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L122] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=1, var_132=2, var_169=0, var_22=0, var_337=3, var_348=3, var_5=0, var_85=1, var_86=0, var_95=0, var_96=255] [L122] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=1, var_132=2, var_169=0, var_22=0, var_337=3, var_348=3, var_5=0, var_85=1, var_86=0, var_95=0, var_96=255] [L123] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L124] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=1, var_132=2, var_169=0, var_22=0, var_337=3, var_348=3, var_5=0, var_85=1, var_86=0, var_95=0, var_96=255] [L124] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L125] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=1, var_132=2, var_169=0, var_22=0, var_337=3, var_348=3, var_5=0, var_85=1, var_86=0, var_95=0, var_96=255] [L125] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L126] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=1, var_132=2, var_169=0, var_22=0, var_337=3, var_348=3, var_5=0, var_85=1, var_86=0, var_95=0, var_96=255] [L126] SORT_1 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L127] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=1, var_132=2, var_169=0, var_22=0, var_337=3, var_348=3, var_5=0, var_85=1, var_86=0, var_95=0, var_96=255] [L127] SORT_1 state_75 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L128] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=1, var_132=2, var_169=0, var_22=0, var_337=3, var_348=3, var_5=0, var_85=1, var_86=0, var_95=0, var_96=255] [L128] SORT_1 state_77 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L129] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=1, var_132=2, var_169=0, var_22=0, var_337=3, var_348=3, var_5=0, var_85=1, var_86=0, var_95=0, var_96=255] [L129] SORT_1 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L130] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=1, var_132=2, var_169=0, var_22=0, var_337=3, var_348=3, var_5=0, var_85=1, var_86=0, var_95=0, var_96=255] [L130] SORT_1 state_81 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L131] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_108=1, var_132=2, var_169=0, var_22=0, var_337=3, var_348=3, var_5=0, var_85=1, var_86=0, var_95=0, var_96=255] [L131] SORT_1 state_83 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L133] SORT_2 init_7_arg_1 = var_5; [L134] state_6 = init_7_arg_1 [L135] SORT_2 init_9_arg_1 = var_5; [L136] state_8 = init_9_arg_1 [L137] SORT_2 init_11_arg_1 = var_5; [L138] state_10 = init_11_arg_1 [L139] SORT_2 init_13_arg_1 = var_5; [L140] state_12 = init_13_arg_1 [L141] SORT_2 init_15_arg_1 = var_5; [L142] state_14 = init_15_arg_1 [L143] SORT_2 init_17_arg_1 = var_5; [L144] state_16 = init_17_arg_1 [L145] SORT_2 init_19_arg_1 = var_5; [L146] state_18 = init_19_arg_1 [L147] SORT_2 init_21_arg_1 = var_5; [L148] state_20 = init_21_arg_1 [L149] SORT_1 init_24_arg_1 = var_22; [L150] state_23 = init_24_arg_1 [L151] SORT_1 init_26_arg_1 = var_22; [L152] state_25 = init_26_arg_1 [L153] SORT_1 init_28_arg_1 = var_22; [L154] state_27 = init_28_arg_1 [L155] SORT_1 init_30_arg_1 = var_22; [L156] state_29 = init_30_arg_1 [L157] SORT_1 init_32_arg_1 = var_22; [L158] state_31 = init_32_arg_1 [L159] SORT_1 init_34_arg_1 = var_22; [L160] state_33 = init_34_arg_1 [L161] SORT_1 init_36_arg_1 = var_22; [L162] state_35 = init_36_arg_1 [L163] SORT_1 init_38_arg_1 = var_22; [L164] state_37 = init_38_arg_1 [L165] SORT_1 init_40_arg_1 = var_22; [L166] state_39 = init_40_arg_1 [L167] SORT_1 init_42_arg_1 = var_22; [L168] state_41 = init_42_arg_1 [L169] SORT_1 init_44_arg_1 = var_22; [L170] state_43 = init_44_arg_1 [L171] SORT_1 init_46_arg_1 = var_22; [L172] state_45 = init_46_arg_1 [L173] SORT_1 init_48_arg_1 = var_22; [L174] state_47 = init_48_arg_1 [L175] SORT_1 init_50_arg_1 = var_22; [L176] state_49 = init_50_arg_1 [L177] SORT_1 init_52_arg_1 = var_22; [L178] state_51 = init_52_arg_1 [L179] SORT_1 init_54_arg_1 = var_22; [L180] state_53 = init_54_arg_1 [L181] SORT_1 init_56_arg_1 = var_22; [L182] state_55 = init_56_arg_1 [L183] SORT_1 init_58_arg_1 = var_22; [L184] state_57 = init_58_arg_1 [L185] SORT_1 init_60_arg_1 = var_22; [L186] state_59 = init_60_arg_1 [L187] SORT_1 init_62_arg_1 = var_22; [L188] state_61 = init_62_arg_1 [L189] SORT_1 init_64_arg_1 = var_22; [L190] state_63 = init_64_arg_1 [L191] SORT_1 init_66_arg_1 = var_22; [L192] state_65 = init_66_arg_1 [L193] SORT_1 init_68_arg_1 = var_22; [L194] state_67 = init_68_arg_1 [L195] SORT_1 init_70_arg_1 = var_22; [L196] state_69 = init_70_arg_1 [L197] SORT_1 init_72_arg_1 = var_22; [L198] state_71 = init_72_arg_1 [L199] SORT_1 init_74_arg_1 = var_22; [L200] state_73 = init_74_arg_1 [L201] SORT_1 init_76_arg_1 = var_22; [L202] state_75 = init_76_arg_1 [L203] SORT_1 init_78_arg_1 = var_22; [L204] state_77 = init_78_arg_1 [L205] SORT_1 init_80_arg_1 = var_22; [L206] state_79 = init_80_arg_1 [L207] SORT_1 init_82_arg_1 = var_22; [L208] state_81 = init_82_arg_1 [L209] SORT_1 init_84_arg_1 = var_22; [L210] state_83 = init_84_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_108=1, var_132=2, var_169=0, var_337=3, var_348=3, var_85=1, var_86=0, var_95=0, var_96=255] [L213] input_99 = __VERIFIER_nondet_uchar() [L214] input_101 = __VERIFIER_nondet_uchar() [L215] input_103 = __VERIFIER_nondet_uchar() [L216] EXPR input_103 & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_108=1, var_132=2, var_169=0, var_337=3, var_348=3, var_85=1, var_86=0, var_95=0, var_96=255] [L216] input_103 = input_103 & mask_SORT_1 [L217] input_104 = __VERIFIER_nondet_uchar() [L218] EXPR input_104 & mask_SORT_1 VAL [input_103=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_108=1, var_132=2, var_169=0, var_337=3, var_348=3, var_85=1, var_86=0, var_95=0, var_96=255] [L218] input_104 = input_104 & mask_SORT_1 [L219] input_105 = __VERIFIER_nondet_uchar() [L220] input_107 = __VERIFIER_nondet_uchar() [L221] EXPR input_107 & mask_SORT_1 VAL [input_103=0, input_104=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_108=1, var_132=2, var_169=0, var_337=3, var_348=3, var_85=1, var_86=0, var_95=0, var_96=255] [L221] input_107 = input_107 & mask_SORT_1 [L222] input_118 = __VERIFIER_nondet_uchar() [L223] EXPR input_118 & mask_SORT_1 VAL [input_103=0, input_104=0, input_107=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_108=1, var_132=2, var_169=0, var_337=3, var_348=3, var_85=1, var_86=0, var_95=0, var_96=255] [L223] input_118 = input_118 & mask_SORT_1 [L224] input_119 = __VERIFIER_nondet_uchar() [L225] EXPR input_119 & mask_SORT_1 VAL [input_103=0, input_104=0, input_107=0, input_118=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_108=1, var_132=2, var_169=0, var_337=3, var_348=3, var_85=1, var_86=0, var_95=0, var_96=255] [L225] input_119 = input_119 & mask_SORT_1 [L226] input_121 = __VERIFIER_nondet_uchar() [L227] EXPR input_121 & mask_SORT_1 VAL [input_103=0, input_104=0, input_107=0, input_118=0, input_119=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_108=1, var_132=2, var_169=0, var_337=3, var_348=3, var_85=1, var_86=0, var_95=0, var_96=255] [L227] input_121 = input_121 & mask_SORT_1 [L228] input_130 = __VERIFIER_nondet_uchar() [L229] EXPR input_130 & mask_SORT_1 VAL [input_103=0, input_104=0, input_107=0, input_118=0, input_119=0, input_121=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_108=1, var_132=2, var_169=0, var_337=3, var_348=3, var_85=1, var_86=0, var_95=0, var_96=255] [L229] input_130 = input_130 & mask_SORT_1 [L230] input_131 = __VERIFIER_nondet_uchar() [L231] EXPR input_131 & mask_SORT_1 VAL [input_103=0, input_104=0, input_107=0, input_118=0, input_119=0, input_121=0, input_130=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_108=1, var_132=2, var_169=0, var_337=3, var_348=3, var_85=1, var_86=0, var_95=0, var_96=255] [L231] input_131 = input_131 & mask_SORT_1 [L232] input_135 = __VERIFIER_nondet_uchar() [L233] EXPR input_135 & mask_SORT_1 VAL [input_103=0, input_104=0, input_107=0, input_118=0, input_119=0, input_121=0, input_130=0, input_131=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_108=1, var_132=2, var_169=0, var_337=3, var_348=3, var_85=1, var_86=0, var_95=0, var_96=255] [L233] input_135 = input_135 & mask_SORT_1 [L234] input_145 = __VERIFIER_nondet_uchar() [L235] EXPR input_145 & mask_SORT_1 VAL [input_103=0, input_104=0, input_107=0, input_118=0, input_119=0, input_121=0, input_130=0, input_131=0, input_135=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_108=1, var_132=2, var_169=0, var_337=3, var_348=3, var_85=1, var_86=0, var_95=0, var_96=255] [L235] input_145 = input_145 & mask_SORT_1 [L236] input_146 = __VERIFIER_nondet_uchar() [L237] EXPR input_146 & mask_SORT_1 VAL [input_103=0, input_104=0, input_107=0, input_118=0, input_119=0, input_121=0, input_130=0, input_131=0, input_135=0, input_145=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_108=1, var_132=2, var_169=0, var_337=3, var_348=3, var_85=1, var_86=0, var_95=0, var_96=255] [L237] input_146 = input_146 & mask_SORT_1 [L238] input_147 = __VERIFIER_nondet_uchar() [L239] EXPR input_147 & mask_SORT_1 VAL [input_103=0, input_104=0, input_107=0, input_118=0, input_119=0, input_121=0, input_130=0, input_131=0, input_135=0, input_145=0, input_146=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_108=1, var_132=2, var_169=0, var_337=3, var_348=3, var_85=1, var_86=0, var_95=0, var_96=255] [L239] input_147 = input_147 & mask_SORT_1 [L240] input_153 = __VERIFIER_nondet_uchar() [L241] EXPR input_153 & mask_SORT_1 VAL [input_103=0, input_104=0, input_107=0, input_118=0, input_119=0, input_121=0, input_130=0, input_131=0, input_135=0, input_145=0, input_146=0, input_147=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_108=1, var_132=2, var_169=0, var_337=3, var_348=3, var_85=1, var_86=0, var_95=0, var_96=255] [L241] input_153 = input_153 & mask_SORT_1 [L242] input_154 = __VERIFIER_nondet_uchar() [L243] EXPR input_154 & mask_SORT_1 VAL [input_103=0, input_104=0, input_107=0, input_118=0, input_119=0, input_121=0, input_130=0, input_131=0, input_135=0, input_145=0, input_146=0, input_147=0, input_153=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_108=1, var_132=2, var_169=0, var_337=3, var_348=3, var_85=1, var_86=0, var_95=0, var_96=255] [L243] input_154 = input_154 & mask_SORT_1 [L244] input_155 = __VERIFIER_nondet_uchar() [L245] EXPR input_155 & mask_SORT_1 VAL [input_103=0, input_104=0, input_107=0, input_118=0, input_119=0, input_121=0, input_130=0, input_131=0, input_135=0, input_145=0, input_146=0, input_147=0, input_153=0, input_154=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_108=1, var_132=2, var_169=0, var_337=3, var_348=3, var_85=1, var_86=0, var_95=0, var_96=255] [L245] input_155 = input_155 & mask_SORT_1 [L246] input_156 = __VERIFIER_nondet_uchar() [L247] EXPR input_156 & mask_SORT_1 VAL [input_103=0, input_104=0, input_107=0, input_118=0, input_119=0, input_121=0, input_130=0, input_131=0, input_135=0, input_145=0, input_146=0, input_147=0, input_153=0, input_154=0, input_155=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_108=1, var_132=2, var_169=0, var_337=3, var_348=3, var_85=1, var_86=0, var_95=0, var_96=255] [L247] input_156 = input_156 & mask_SORT_1 [L248] input_157 = __VERIFIER_nondet_uchar() [L249] EXPR input_157 & mask_SORT_1 VAL [input_103=0, input_104=0, input_107=0, input_118=0, input_119=0, input_121=0, input_130=0, input_131=0, input_135=0, input_145=0, input_146=0, input_147=0, input_153=0, input_154=0, input_155=0, input_156=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_108=1, var_132=2, var_169=0, var_337=3, var_348=3, var_85=1, var_86=0, var_95=0, var_96=255] [L249] input_157 = input_157 & mask_SORT_1 [L250] input_158 = __VERIFIER_nondet_uchar() [L251] EXPR input_158 & mask_SORT_1 VAL [input_103=0, input_104=0, input_107=0, input_118=0, input_119=0, input_121=0, input_130=0, input_131=0, input_135=0, input_145=0, input_146=0, input_147=0, input_153=0, input_154=0, input_155=0, input_156=0, input_157=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_108=1, var_132=2, var_169=0, var_337=3, var_348=3, var_85=1, var_86=0, var_95=0, var_96=255] [L251] input_158 = input_158 & mask_SORT_1 [L252] input_168 = __VERIFIER_nondet_uchar() [L253] EXPR input_168 & mask_SORT_1 VAL [input_103=0, input_104=0, input_107=0, input_118=0, input_119=0, input_121=0, input_130=0, input_131=0, input_135=0, input_145=0, input_146=0, input_147=0, input_153=0, input_154=0, input_155=0, input_156=0, input_157=0, input_158=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_108=1, var_132=2, var_169=0, var_337=3, var_348=3, var_85=1, var_86=0, var_95=0, var_96=255] [L253] input_168 = input_168 & mask_SORT_1 [L254] input_176 = __VERIFIER_nondet_uchar() [L255] EXPR input_176 & mask_SORT_1 VAL [input_103=0, input_104=0, input_107=0, input_118=0, input_119=0, input_121=0, input_130=0, input_131=0, input_135=0, input_145=0, input_146=0, input_147=0, input_153=0, input_154=0, input_155=0, input_156=0, input_157=0, input_158=0, input_168=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_108=1, var_132=2, var_169=0, var_337=3, var_348=3, var_85=1, var_86=0, var_95=0, var_96=255] [L255] input_176 = input_176 & mask_SORT_1 [L256] input_183 = __VERIFIER_nondet_uchar() [L257] EXPR input_183 & mask_SORT_1 VAL [input_103=0, input_104=0, input_107=0, input_118=0, input_119=0, input_121=0, input_130=0, input_131=0, input_135=0, input_145=0, input_146=0, input_147=0, input_153=0, input_154=0, input_155=0, input_156=0, input_157=0, input_158=0, input_168=0, input_176=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_108=1, var_132=2, var_169=0, var_337=3, var_348=3, var_85=1, var_86=0, var_95=0, var_96=255] [L257] input_183 = input_183 & mask_SORT_1 [L258] input_191 = __VERIFIER_nondet_uchar() [L259] input_193 = __VERIFIER_nondet_uchar() [L260] input_197 = __VERIFIER_nondet_uchar() [L261] input_199 = __VERIFIER_nondet_uchar() [L262] input_208 = __VERIFIER_nondet_uchar() [L263] input_222 = __VERIFIER_nondet_uchar() [L264] input_233 = __VERIFIER_nondet_uchar() [L265] input_235 = __VERIFIER_nondet_uchar() [L266] input_239 = __VERIFIER_nondet_uchar() [L267] input_241 = __VERIFIER_nondet_uchar() [L268] input_250 = __VERIFIER_nondet_uchar() [L269] input_264 = __VERIFIER_nondet_uchar() [L270] input_275 = __VERIFIER_nondet_uchar() [L271] input_277 = __VERIFIER_nondet_uchar() [L272] input_281 = __VERIFIER_nondet_uchar() [L273] input_283 = __VERIFIER_nondet_uchar() [L274] input_292 = __VERIFIER_nondet_uchar() [L275] input_306 = __VERIFIER_nondet_uchar() [L278] SORT_1 var_87_arg_0 = state_25; [L279] SORT_4 var_87_arg_1 = var_85; [L280] SORT_4 var_87_arg_2 = var_86; [L281] SORT_4 var_87 = var_87_arg_0 ? var_87_arg_1 : var_87_arg_2; [L282] SORT_1 var_88_arg_0 = state_45; [L283] SORT_4 var_88_arg_1 = var_85; [L284] SORT_4 var_88_arg_2 = var_86; [L285] SORT_4 var_88 = var_88_arg_0 ? var_88_arg_1 : var_88_arg_2; [L286] SORT_4 var_89_arg_0 = var_87; [L287] SORT_4 var_89_arg_1 = var_88; [L288] SORT_4 var_89 = var_89_arg_0 + var_89_arg_1; [L289] SORT_1 var_90_arg_0 = state_65; [L290] SORT_4 var_90_arg_1 = var_85; [L291] SORT_4 var_90_arg_2 = var_86; [L292] SORT_4 var_90 = var_90_arg_0 ? var_90_arg_1 : var_90_arg_2; [L293] SORT_4 var_91_arg_0 = var_89; [L294] SORT_4 var_91_arg_1 = var_90; [L295] SORT_4 var_91 = var_91_arg_0 + var_91_arg_1; VAL [input_103=0, input_104=0, input_107=0, input_118=0, input_119=0, input_121=0, input_130=0, input_131=0, input_135=0, input_145=0, input_146=0, input_147=0, input_153=0, input_154=0, input_155=0, input_156=0, input_157=0, input_158=0, input_168=0, input_176=0, input_183=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_108=1, var_132=2, var_169=0, var_337=3, var_348=3, var_85=1, var_86=0, var_91=0, var_95=0, var_96=255] [L296] EXPR var_91 & mask_SORT_4 VAL [input_103=0, input_104=0, input_107=0, input_118=0, input_119=0, input_121=0, input_130=0, input_131=0, input_135=0, input_145=0, input_146=0, input_147=0, input_153=0, input_154=0, input_155=0, input_156=0, input_157=0, input_158=0, input_168=0, input_176=0, input_183=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_108=1, var_132=2, var_169=0, var_337=3, var_348=3, var_85=1, var_86=0, var_95=0, var_96=255] [L296] var_91 = var_91 & mask_SORT_4 [L297] SORT_4 var_92_arg_0 = var_91; [L298] SORT_4 var_92_arg_1 = var_85; [L299] SORT_1 var_92 = var_92_arg_0 <= var_92_arg_1; [L300] SORT_1 var_93_arg_0 = ~state_83; VAL [input_103=0, input_104=0, input_107=0, input_118=0, input_119=0, input_121=0, input_130=0, input_131=0, input_135=0, input_145=0, input_146=0, input_147=0, input_153=0, input_154=0, input_155=0, input_156=0, input_157=0, input_158=0, input_168=0, input_176=0, input_183=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_108=1, var_132=2, var_169=0, var_337=3, var_348=3, var_85=1, var_86=0, var_92=1, var_93_arg_0=-1, var_95=0, var_96=255] [L301] EXPR var_93_arg_0 & mask_SORT_1 VAL [input_103=0, input_104=0, input_107=0, input_118=0, input_119=0, input_121=0, input_130=0, input_131=0, input_135=0, input_145=0, input_146=0, input_147=0, input_153=0, input_154=0, input_155=0, input_156=0, input_157=0, input_158=0, input_168=0, input_176=0, input_183=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_108=1, var_132=2, var_169=0, var_337=3, var_348=3, var_85=1, var_86=0, var_92=1, var_95=0, var_96=255] [L301] var_93_arg_0 = var_93_arg_0 & mask_SORT_1 [L302] SORT_1 var_93_arg_1 = ~var_92; VAL [input_103=0, input_104=0, input_107=0, input_118=0, input_119=0, input_121=0, input_130=0, input_131=0, input_135=0, input_145=0, input_146=0, input_147=0, input_153=0, input_154=0, input_155=0, input_156=0, input_157=0, input_158=0, input_168=0, input_176=0, input_183=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_108=1, var_132=2, var_169=0, var_337=3, var_348=3, var_85=1, var_86=0, var_93_arg_0=1, var_93_arg_1=-2, var_95=0, var_96=255] [L303] EXPR var_93_arg_1 & mask_SORT_1 VAL [input_103=0, input_104=0, input_107=0, input_118=0, input_119=0, input_121=0, input_130=0, input_131=0, input_135=0, input_145=0, input_146=0, input_147=0, input_153=0, input_154=0, input_155=0, input_156=0, input_157=0, input_158=0, input_168=0, input_176=0, input_183=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_108=1, var_132=2, var_169=0, var_337=3, var_348=3, var_85=1, var_86=0, var_93_arg_0=1, var_95=0, var_96=255] [L303] var_93_arg_1 = var_93_arg_1 & mask_SORT_1 [L304] EXPR var_93_arg_0 & var_93_arg_1 VAL [input_103=0, input_104=0, input_107=0, input_118=0, input_119=0, input_121=0, input_130=0, input_131=0, input_135=0, input_145=0, input_146=0, input_147=0, input_153=0, input_154=0, input_155=0, input_156=0, input_157=0, input_158=0, input_168=0, input_176=0, input_183=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_108=1, var_132=2, var_169=0, var_337=3, var_348=3, var_85=1, var_86=0, var_95=0, var_96=255] [L304] SORT_1 var_93 = var_93_arg_0 & var_93_arg_1; [L305] EXPR var_93 & mask_SORT_1 VAL [input_103=0, input_104=0, input_107=0, input_118=0, input_119=0, input_121=0, input_130=0, input_131=0, input_135=0, input_145=0, input_146=0, input_147=0, input_153=0, input_154=0, input_155=0, input_156=0, input_157=0, input_158=0, input_168=0, input_176=0, input_183=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_8=0, var_108=1, var_132=2, var_169=0, var_337=3, var_348=3, var_85=1, var_86=0, var_95=0, var_96=255] [L305] var_93 = var_93 & mask_SORT_1 [L306] SORT_1 bad_94_arg_0 = var_93; [L307] CALL __VERIFIER_assert(!(bad_94_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 2820 locations, 4229 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.7s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8190 SdHoareTripleChecker+Valid, 9.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8190 mSDsluCounter, 61730 SdHoareTripleChecker+Invalid, 7.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 42036 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18310 IncrementalHoareTripleChecker+Invalid, 18312 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 19694 mSDtfsCounter, 18310 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2919occurred 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: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 2568 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 959 NumberOfCodeBlocks, 959 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 813 ConstructedInterpolants, 0 QuantifiedInterpolants, 1932 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 [2025-03-16 21:58:40,178 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.2.prop1-func-interl.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c482feebae2e4674787294054b23234696017dfe8b10199ec324ab4d13763155 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-16 21:58:42,042 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-16 21:58:42,111 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2025-03-16 21:58:42,118 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-16 21:58:42,119 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-16 21:58:42,134 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-16 21:58:42,134 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-16 21:58:42,134 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-16 21:58:42,135 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-16 21:58:42,135 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-16 21:58:42,135 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-16 21:58:42,135 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-16 21:58:42,135 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-16 21:58:42,135 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-16 21:58:42,135 INFO L153 SettingsManager]: * Use SBE=true [2025-03-16 21:58:42,136 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-16 21:58:42,136 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-16 21:58:42,136 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-16 21:58:42,136 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-16 21:58:42,136 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-16 21:58:42,136 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-16 21:58:42,136 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-16 21:58:42,136 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-16 21:58:42,136 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-16 21:58:42,136 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-16 21:58:42,137 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-16 21:58:42,137 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-16 21:58:42,137 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-16 21:58:42,137 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-16 21:58:42,137 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-16 21:58:42,137 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-16 21:58:42,137 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 21:58:42,137 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-16 21:58:42,137 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-16 21:58:42,137 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-16 21:58:42,138 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-16 21:58:42,138 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-16 21:58:42,138 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-16 21:58:42,138 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-16 21:58:42,138 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-16 21:58:42,138 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-16 21:58:42,138 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-16 21:58:42,138 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/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 -> c482feebae2e4674787294054b23234696017dfe8b10199ec324ab4d13763155 [2025-03-16 21:58:42,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-16 21:58:42,405 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-16 21:58:42,407 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-16 21:58:42,408 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-16 21:58:42,408 INFO L274 PluginConnector]: CDTParser initialized [2025-03-16 21:58:42,413 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.2.prop1-func-interl.c [2025-03-16 21:58:43,644 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdbf56a55/5ccc357d75d7458a9e2e4a44c43062a5/FLAGe670aac2d [2025-03-16 21:58:43,925 INFO L384 CDTParser]: Found 1 translation units. [2025-03-16 21:58:43,933 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.2.prop1-func-interl.c [2025-03-16 21:58:43,952 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdbf56a55/5ccc357d75d7458a9e2e4a44c43062a5/FLAGe670aac2d [2025-03-16 21:58:43,967 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdbf56a55/5ccc357d75d7458a9e2e4a44c43062a5 [2025-03-16 21:58:43,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-16 21:58:43,970 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-16 21:58:43,971 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-16 21:58:43,971 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-16 21:58:43,974 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-16 21:58:43,975 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 09:58:43" (1/1) ... [2025-03-16 21:58:43,977 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b0615d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:58:43, skipping insertion in model container [2025-03-16 21:58:43,977 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 09:58:43" (1/1) ... [2025-03-16 21:58:44,025 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-16 21:58:44,173 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.2.prop1-func-interl.c[1174,1187] [2025-03-16 21:58:44,480 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 21:58:44,488 INFO L200 MainTranslator]: Completed pre-run [2025-03-16 21:58:44,497 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lamport.2.prop1-func-interl.c[1174,1187] [2025-03-16 21:58:44,618 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 21:58:44,633 INFO L204 MainTranslator]: Completed translation [2025-03-16 21:58:44,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:58:44 WrapperNode [2025-03-16 21:58:44,634 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-16 21:58:44,635 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-16 21:58:44,635 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-16 21:58:44,635 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-16 21:58:44,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:58:44" (1/1) ... [2025-03-16 21:58:44,673 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:58:44" (1/1) ... [2025-03-16 21:58:44,732 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2403 [2025-03-16 21:58:44,732 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-16 21:58:44,733 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-16 21:58:44,733 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-16 21:58:44,733 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-16 21:58:44,740 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:58:44" (1/1) ... [2025-03-16 21:58:44,740 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:58:44" (1/1) ... [2025-03-16 21:58:44,773 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:58:44" (1/1) ... [2025-03-16 21:58:44,816 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]. [2025-03-16 21:58:44,817 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:58:44" (1/1) ... [2025-03-16 21:58:44,817 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:58:44" (1/1) ... [2025-03-16 21:58:44,862 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:58:44" (1/1) ... [2025-03-16 21:58:44,867 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:58:44" (1/1) ... [2025-03-16 21:58:44,876 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:58:44" (1/1) ... [2025-03-16 21:58:44,899 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:58:44" (1/1) ... [2025-03-16 21:58:44,929 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-16 21:58:44,930 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-16 21:58:44,930 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-16 21:58:44,930 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-16 21:58:44,943 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:58:44" (1/1) ... [2025-03-16 21:58:44,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 21:58:44,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 21:58:44,987 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-16 21:58:44,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-16 21:58:45,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-16 21:58:45,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-16 21:58:45,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-16 21:58:45,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-16 21:58:45,413 INFO L256 CfgBuilder]: Building ICFG [2025-03-16 21:58:45,414 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-16 21:58:47,233 INFO L? ?]: Removed 116 outVars from TransFormulas that were not future-live. [2025-03-16 21:58:47,233 INFO L307 CfgBuilder]: Performing block encoding [2025-03-16 21:58:47,239 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-16 21:58:47,240 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-16 21:58:47,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 09:58:47 BoogieIcfgContainer [2025-03-16 21:58:47,240 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-16 21:58:47,242 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-16 21:58:47,242 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-16 21:58:47,246 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-16 21:58:47,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 09:58:43" (1/3) ... [2025-03-16 21:58:47,247 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33eca0d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 09:58:47, skipping insertion in model container [2025-03-16 21:58:47,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:58:44" (2/3) ... [2025-03-16 21:58:47,247 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33eca0d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 09:58:47, skipping insertion in model container [2025-03-16 21:58:47,248 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 09:58:47" (3/3) ... [2025-03-16 21:58:47,249 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.lamport.2.prop1-func-interl.c [2025-03-16 21:58:47,259 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-16 21:58:47,260 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.lamport.2.prop1-func-interl.c that has 1 procedures, 8 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-16 21:58:47,291 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-16 21:58:47,300 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;@38821517, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-16 21:58:47,300 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-16 21:58:47,303 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.5) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 21:58:47,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-03-16 21:58:47,306 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 21:58:47,307 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-03-16 21:58:47,307 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 21:58:47,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 21:58:47,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1137951, now seen corresponding path program 1 times [2025-03-16 21:58:47,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-16 21:58:47,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [142696057] [2025-03-16 21:58:47,321 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 21:58:47,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-16 21:58:47,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 21:58:47,323 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-16 21:58:47,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-16 21:58:47,687 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-16 21:58:47,718 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-16 21:58:47,718 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 21:58:47,718 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 21:58:47,727 INFO L256 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-03-16 21:58:47,740 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-16 21:58:47,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 21:58:47,957 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-16 21:58:47,958 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-16 21:58:47,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [142696057] [2025-03-16 21:58:47,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [142696057] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 21:58:47,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 21:58:47,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-16 21:58:47,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449652362] [2025-03-16 21:58:47,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 21:58:47,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-16 21:58:47,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-16 21:58:47,973 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-16 21:58:47,973 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-16 21:58:47,974 INFO L87 Difference]: Start difference. First operand has 8 states, 6 states have (on average 1.5) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 21:58:48,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 21:58:48,118 INFO L93 Difference]: Finished difference Result 16 states and 21 transitions. [2025-03-16 21:58:48,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-16 21:58:48,120 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2025-03-16 21:58:48,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 21:58:48,125 INFO L225 Difference]: With dead ends: 16 [2025-03-16 21:58:48,125 INFO L226 Difference]: Without dead ends: 9 [2025-03-16 21:58:48,127 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-16 21:58:48,131 INFO L435 NwaCegarLoop]: 3 mSDtfsCounter, 2 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-16 21:58:48,132 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 8 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-16 21:58:48,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2025-03-16 21:58:48,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2025-03-16 21:58:48,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 21:58:48,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2025-03-16 21:58:48,152 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2025-03-16 21:58:48,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 21:58:48,152 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2025-03-16 21:58:48,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 21:58:48,152 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2025-03-16 21:58:48,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-16 21:58:48,152 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 21:58:48,152 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2025-03-16 21:58:48,161 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-16 21:58:48,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-16 21:58:48,354 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 21:58:48,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 21:58:48,355 INFO L85 PathProgramCache]: Analyzing trace with hash -458170295, now seen corresponding path program 1 times [2025-03-16 21:58:48,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-16 21:58:48,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [816087968] [2025-03-16 21:58:48,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 21:58:48,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-16 21:58:48,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 21:58:48,360 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-16 21:58:48,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-16 21:58:48,766 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-16 21:58:48,856 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-16 21:58:48,856 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 21:58:48,856 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 21:58:48,875 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 54 conjuncts are in the unsatisfiable core [2025-03-16 21:58:48,895 INFO L279 TraceCheckSpWp]: Computing forward predicates...