./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.3.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 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.fischer.3.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 4c71fab330bdc6012057120a447b5cc1b5316aa36d41a10077f304914f3f84a7 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 17:31:22,531 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 17:31:22,579 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-03 17:31:22,583 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 17:31:22,583 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 17:31:22,599 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 17:31:22,599 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 17:31:22,599 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 17:31:22,600 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 17:31:22,600 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 17:31:22,600 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 17:31:22,600 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 17:31:22,600 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 17:31:22,600 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 17:31:22,600 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 17:31:22,601 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 17:31:22,601 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 17:31:22,601 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-03 17:31:22,601 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 17:31:22,601 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 17:31:22,601 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 17:31:22,601 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 17:31:22,601 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 17:31:22,601 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 17:31:22,601 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 17:31:22,601 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 17:31:22,602 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 17:31:22,602 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 17:31:22,602 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 17:31:22,602 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 17:31:22,602 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 17:31:22,602 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 17:31:22,602 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 17:31:22,602 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 17:31:22,602 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-03 17:31:22,602 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-03 17:31:22,602 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 17:31:22,602 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 17:31:22,603 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 17:31:22,603 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 17:31:22,603 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 -> 4c71fab330bdc6012057120a447b5cc1b5316aa36d41a10077f304914f3f84a7 [2025-03-03 17:31:22,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 17:31:22,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 17:31:22,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 17:31:22,843 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 17:31:22,843 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 17:31:22,844 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.3.prop1-func-interl.c [2025-03-03 17:31:23,990 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b386681dd/bc26da7edfa646578e163d65d534955f/FLAG4e6b87f00 [2025-03-03 17:31:24,310 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 17:31:24,310 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.3.prop1-func-interl.c [2025-03-03 17:31:24,332 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b386681dd/bc26da7edfa646578e163d65d534955f/FLAG4e6b87f00 [2025-03-03 17:31:24,558 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b386681dd/bc26da7edfa646578e163d65d534955f [2025-03-03 17:31:24,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 17:31:24,561 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 17:31:24,562 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 17:31:24,562 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 17:31:24,565 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 17:31:24,565 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 05:31:24" (1/1) ... [2025-03-03 17:31:24,566 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@401064aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:31:24, skipping insertion in model container [2025-03-03 17:31:24,566 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 05:31:24" (1/1) ... [2025-03-03 17:31:24,614 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 17:31:24,748 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.fischer.3.prop1-func-interl.c[1174,1187] [2025-03-03 17:31:25,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 17:31:25,044 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 17:31:25,050 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.fischer.3.prop1-func-interl.c[1174,1187] [2025-03-03 17:31:25,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 17:31:25,231 INFO L204 MainTranslator]: Completed translation [2025-03-03 17:31:25,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:31:25 WrapperNode [2025-03-03 17:31:25,232 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 17:31:25,233 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 17:31:25,233 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 17:31:25,233 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 17:31:25,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:31:25" (1/1) ... [2025-03-03 17:31:25,280 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:31:25" (1/1) ... [2025-03-03 17:31:25,838 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 7297 [2025-03-03 17:31:25,838 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 17:31:25,840 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 17:31:25,840 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 17:31:25,840 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 17:31:25,846 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:31:25" (1/1) ... [2025-03-03 17:31:25,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:31:25" (1/1) ... [2025-03-03 17:31:26,027 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:31:25" (1/1) ... [2025-03-03 17:31:26,138 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]. [2025-03-03 17:31:26,138 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:31:25" (1/1) ... [2025-03-03 17:31:26,138 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:31:25" (1/1) ... [2025-03-03 17:31:26,294 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:31:25" (1/1) ... [2025-03-03 17:31:26,314 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:31:25" (1/1) ... [2025-03-03 17:31:26,341 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:31:25" (1/1) ... [2025-03-03 17:31:26,371 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:31:25" (1/1) ... [2025-03-03 17:31:26,443 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 17:31:26,444 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 17:31:26,444 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 17:31:26,444 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 17:31:26,444 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:31:25" (1/1) ... [2025-03-03 17:31:26,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 17:31:26,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 17:31:26,466 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) [2025-03-03 17:31:26,468 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 [2025-03-03 17:31:26,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 17:31:26,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-03 17:31:26,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 17:31:26,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 17:31:26,856 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 17:31:26,857 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 17:31:33,906 INFO L? ?]: Removed 4120 outVars from TransFormulas that were not future-live. [2025-03-03 17:31:33,906 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 17:31:34,095 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 17:31:34,096 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 17:31:34,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 05:31:34 BoogieIcfgContainer [2025-03-03 17:31:34,096 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 17:31:34,098 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 17:31:34,098 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 17:31:34,102 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 17:31:34,102 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 05:31:24" (1/3) ... [2025-03-03 17:31:34,103 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2426502e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 05:31:34, skipping insertion in model container [2025-03-03 17:31:34,103 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:31:25" (2/3) ... [2025-03-03 17:31:34,103 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2426502e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 05:31:34, skipping insertion in model container [2025-03-03 17:31:34,103 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 05:31:34" (3/3) ... [2025-03-03 17:31:34,104 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.fischer.3.prop1-func-interl.c [2025-03-03 17:31:34,116 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 17:31:34,118 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.fischer.3.prop1-func-interl.c that has 1 procedures, 2558 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-03 17:31:34,194 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 17:31:34,204 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;@3f85a7bd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 17:31:34,205 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 17:31:34,216 INFO L276 IsEmpty]: Start isEmpty. Operand has 2558 states, 2556 states have (on average 1.5019561815336464) internal successors, (3839), 2557 states have internal predecessors, (3839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:31:34,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2025-03-03 17:31:34,225 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 17:31:34,225 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] [2025-03-03 17:31:34,226 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 17:31:34,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 17:31:34,229 INFO L85 PathProgramCache]: Analyzing trace with hash -2070944175, now seen corresponding path program 1 times [2025-03-03 17:31:34,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 17:31:34,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061423919] [2025-03-03 17:31:34,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 17:31:34,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 17:31:34,336 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-03-03 17:31:34,455 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-03-03 17:31:34,456 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 17:31:34,456 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 17:31:35,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 17:31:35,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 17:31:35,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061423919] [2025-03-03 17:31:35,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061423919] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 17:31:35,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 17:31:35,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-03 17:31:35,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250877211] [2025-03-03 17:31:35,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 17:31:35,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-03 17:31:35,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 17:31:35,072 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-03 17:31:35,072 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-03 17:31:35,077 INFO L87 Difference]: Start difference. First operand has 2558 states, 2556 states have (on average 1.5019561815336464) internal successors, (3839), 2557 states have internal predecessors, (3839), 0 states have call successors, (0), 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 32.75) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:31:36,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 17:31:36,232 INFO L93 Difference]: Finished difference Result 4981 states and 7479 transitions. [2025-03-03 17:31:36,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-03 17:31:36,234 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2025-03-03 17:31:36,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 17:31:36,252 INFO L225 Difference]: With dead ends: 4981 [2025-03-03 17:31:36,252 INFO L226 Difference]: Without dead ends: 2557 [2025-03-03 17:31:36,260 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 [2025-03-03 17:31:36,262 INFO L435 NwaCegarLoop]: 3199 mSDtfsCounter, 0 mSDsluCounter, 6393 mSDsCounter, 0 mSdLazyCounter, 1912 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9592 SdHoareTripleChecker+Invalid, 1912 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-03 17:31:36,262 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9592 Invalid, 1912 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1912 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-03 17:31:36,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2557 states. [2025-03-03 17:31:36,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2557 to 2557. [2025-03-03 17:31:36,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2557 states, 2556 states have (on average 1.5011737089201878) internal successors, (3837), 2556 states have internal predecessors, (3837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:31:36,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2557 states to 2557 states and 3837 transitions. [2025-03-03 17:31:36,388 INFO L78 Accepts]: Start accepts. Automaton has 2557 states and 3837 transitions. Word has length 131 [2025-03-03 17:31:36,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 17:31:36,389 INFO L471 AbstractCegarLoop]: Abstraction has 2557 states and 3837 transitions. [2025-03-03 17:31:36,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:31:36,390 INFO L276 IsEmpty]: Start isEmpty. Operand 2557 states and 3837 transitions. [2025-03-03 17:31:36,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2025-03-03 17:31:36,394 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 17:31:36,394 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] [2025-03-03 17:31:36,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-03 17:31:36,394 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 17:31:36,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 17:31:36,395 INFO L85 PathProgramCache]: Analyzing trace with hash 229923181, now seen corresponding path program 1 times [2025-03-03 17:31:36,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 17:31:36,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879616885] [2025-03-03 17:31:36,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 17:31:36,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 17:31:36,436 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 132 statements into 1 equivalence classes. [2025-03-03 17:31:36,467 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 132 of 132 statements. [2025-03-03 17:31:36,467 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 17:31:36,467 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 17:31:36,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 17:31:36,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 17:31:36,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879616885] [2025-03-03 17:31:36,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879616885] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 17:31:36,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 17:31:36,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-03 17:31:36,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041943623] [2025-03-03 17:31:36,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 17:31:36,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-03 17:31:36,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 17:31:36,685 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-03 17:31:36,686 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-03 17:31:36,686 INFO L87 Difference]: Start difference. First operand 2557 states and 3837 transitions. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:31:37,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 17:31:37,683 INFO L93 Difference]: Finished difference Result 4982 states and 7477 transitions. [2025-03-03 17:31:37,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-03 17:31:37,683 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2025-03-03 17:31:37,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 17:31:37,691 INFO L225 Difference]: With dead ends: 4982 [2025-03-03 17:31:37,692 INFO L226 Difference]: Without dead ends: 2559 [2025-03-03 17:31:37,695 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 [2025-03-03 17:31:37,697 INFO L435 NwaCegarLoop]: 3199 mSDtfsCounter, 0 mSDsluCounter, 6390 mSDsCounter, 0 mSdLazyCounter, 1915 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9589 SdHoareTripleChecker+Invalid, 1915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-03-03 17:31:37,697 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9589 Invalid, 1915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1915 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-03-03 17:31:37,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2559 states. [2025-03-03 17:31:37,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2559 to 2559. [2025-03-03 17:31:37,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2559 states, 2558 states have (on average 1.5007818608287724) internal successors, (3839), 2558 states have internal predecessors, (3839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:31:37,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2559 states to 2559 states and 3839 transitions. [2025-03-03 17:31:37,752 INFO L78 Accepts]: Start accepts. Automaton has 2559 states and 3839 transitions. Word has length 132 [2025-03-03 17:31:37,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 17:31:37,753 INFO L471 AbstractCegarLoop]: Abstraction has 2559 states and 3839 transitions. [2025-03-03 17:31:37,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:31:37,754 INFO L276 IsEmpty]: Start isEmpty. Operand 2559 states and 3839 transitions. [2025-03-03 17:31:37,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2025-03-03 17:31:37,756 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 17:31:37,756 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] [2025-03-03 17:31:37,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-03 17:31:37,757 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 17:31:37,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 17:31:37,757 INFO L85 PathProgramCache]: Analyzing trace with hash 469197260, now seen corresponding path program 1 times [2025-03-03 17:31:37,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 17:31:37,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702279596] [2025-03-03 17:31:37,757 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 17:31:37,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 17:31:37,807 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-03-03 17:31:37,830 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-03-03 17:31:37,832 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 17:31:37,832 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 17:31:38,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 17:31:38,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 17:31:38,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702279596] [2025-03-03 17:31:38,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702279596] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 17:31:38,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 17:31:38,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-03 17:31:38,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865214963] [2025-03-03 17:31:38,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 17:31:38,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-03 17:31:38,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 17:31:38,019 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-03 17:31:38,019 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-03 17:31:38,019 INFO L87 Difference]: Start difference. First operand 2559 states and 3839 transitions. Second operand has 4 states, 4 states have (on average 33.25) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:31:39,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 17:31:39,280 INFO L93 Difference]: Finished difference Result 4990 states and 7487 transitions. [2025-03-03 17:31:39,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-03 17:31:39,280 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.25) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 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 133 [2025-03-03 17:31:39,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 17:31:39,288 INFO L225 Difference]: With dead ends: 4990 [2025-03-03 17:31:39,288 INFO L226 Difference]: Without dead ends: 2565 [2025-03-03 17:31:39,290 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 [2025-03-03 17:31:39,291 INFO L435 NwaCegarLoop]: 3199 mSDtfsCounter, 4 mSDsluCounter, 6385 mSDsCounter, 0 mSdLazyCounter, 1920 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 9584 SdHoareTripleChecker+Invalid, 1920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1920 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-03-03 17:31:39,291 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 9584 Invalid, 1920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1920 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-03-03 17:31:39,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2565 states. [2025-03-03 17:31:39,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2565 to 2565. [2025-03-03 17:31:39,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2565 states, 2564 states have (on average 1.500390015600624) internal successors, (3847), 2564 states have internal predecessors, (3847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:31:39,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2565 states to 2565 states and 3847 transitions. [2025-03-03 17:31:39,331 INFO L78 Accepts]: Start accepts. Automaton has 2565 states and 3847 transitions. Word has length 133 [2025-03-03 17:31:39,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 17:31:39,331 INFO L471 AbstractCegarLoop]: Abstraction has 2565 states and 3847 transitions. [2025-03-03 17:31:39,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.25) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:31:39,332 INFO L276 IsEmpty]: Start isEmpty. Operand 2565 states and 3847 transitions. [2025-03-03 17:31:39,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-03-03 17:31:39,332 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 17:31:39,333 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] [2025-03-03 17:31:39,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-03 17:31:39,333 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 17:31:39,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 17:31:39,334 INFO L85 PathProgramCache]: Analyzing trace with hash 739292247, now seen corresponding path program 1 times [2025-03-03 17:31:39,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 17:31:39,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659679142] [2025-03-03 17:31:39,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 17:31:39,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 17:31:39,366 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-03-03 17:31:39,388 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-03-03 17:31:39,389 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 17:31:39,389 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 17:31:39,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 17:31:39,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 17:31:39,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659679142] [2025-03-03 17:31:39,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659679142] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 17:31:39,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 17:31:39,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-03 17:31:39,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875676328] [2025-03-03 17:31:39,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 17:31:39,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-03 17:31:39,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 17:31:39,585 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-03 17:31:39,586 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-03 17:31:39,586 INFO L87 Difference]: Start difference. First operand 2565 states and 3847 transitions. Second operand has 5 states, 5 states have (on average 26.8) internal successors, (134), 5 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) [2025-03-03 17:31:40,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 17:31:40,596 INFO L93 Difference]: Finished difference Result 5000 states and 7499 transitions. [2025-03-03 17:31:40,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-03 17:31:40,597 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 5 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 [2025-03-03 17:31:40,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 17:31:40,604 INFO L225 Difference]: With dead ends: 5000 [2025-03-03 17:31:40,604 INFO L226 Difference]: Without dead ends: 2569 [2025-03-03 17:31:40,606 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-03 17:31:40,607 INFO L435 NwaCegarLoop]: 3199 mSDtfsCounter, 0 mSDsluCounter, 6385 mSDsCounter, 0 mSdLazyCounter, 1921 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9584 SdHoareTripleChecker+Invalid, 1922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1921 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-03-03 17:31:40,607 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9584 Invalid, 1922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1921 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-03-03 17:31:40,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2569 states. [2025-03-03 17:31:40,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2565. [2025-03-03 17:31:40,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2565 states, 2564 states have (on average 1.500390015600624) internal successors, (3847), 2564 states have internal predecessors, (3847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:31:40,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2565 states to 2565 states and 3847 transitions. [2025-03-03 17:31:40,639 INFO L78 Accepts]: Start accepts. Automaton has 2565 states and 3847 transitions. Word has length 134 [2025-03-03 17:31:40,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 17:31:40,639 INFO L471 AbstractCegarLoop]: Abstraction has 2565 states and 3847 transitions. [2025-03-03 17:31:40,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 5 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) [2025-03-03 17:31:40,639 INFO L276 IsEmpty]: Start isEmpty. Operand 2565 states and 3847 transitions. [2025-03-03 17:31:40,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2025-03-03 17:31:40,640 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 17:31:40,640 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] [2025-03-03 17:31:40,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-03 17:31:40,641 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 17:31:40,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 17:31:40,641 INFO L85 PathProgramCache]: Analyzing trace with hash -963377593, now seen corresponding path program 1 times [2025-03-03 17:31:40,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 17:31:40,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930098341] [2025-03-03 17:31:40,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 17:31:40,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 17:31:40,669 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 135 statements into 1 equivalence classes. [2025-03-03 17:31:40,702 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 135 of 135 statements. [2025-03-03 17:31:40,702 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 17:31:40,702 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 17:31:40,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 17:31:40,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 17:31:40,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930098341] [2025-03-03 17:31:40,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930098341] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 17:31:40,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 17:31:40,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-03 17:31:40,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841287145] [2025-03-03 17:31:40,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 17:31:40,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-03 17:31:40,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 17:31:40,956 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-03 17:31:40,957 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-03 17:31:40,957 INFO L87 Difference]: Start difference. First operand 2565 states and 3847 transitions. Second operand has 5 states, 5 states have (on average 27.0) internal successors, (135), 5 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) [2025-03-03 17:31:43,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 17:31:43,888 INFO L93 Difference]: Finished difference Result 7411 states and 11117 transitions. [2025-03-03 17:31:43,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-03 17:31:43,888 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 5 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 [2025-03-03 17:31:43,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 17:31:43,901 INFO L225 Difference]: With dead ends: 7411 [2025-03-03 17:31:43,902 INFO L226 Difference]: Without dead ends: 4980 [2025-03-03 17:31:43,906 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-03 17:31:43,907 INFO L435 NwaCegarLoop]: 2460 mSDtfsCounter, 3695 mSDsluCounter, 7280 mSDsCounter, 0 mSdLazyCounter, 5401 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3695 SdHoareTripleChecker+Valid, 9740 SdHoareTripleChecker+Invalid, 5402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2025-03-03 17:31:43,907 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3695 Valid, 9740 Invalid, 5402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5401 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2025-03-03 17:31:43,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4980 states. [2025-03-03 17:31:43,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4980 to 2672. [2025-03-03 17:31:43,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2672 states, 2671 states have (on average 1.499812804193186) internal successors, (4006), 2671 states have internal predecessors, (4006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:31:43,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2672 states to 2672 states and 4006 transitions. [2025-03-03 17:31:43,958 INFO L78 Accepts]: Start accepts. Automaton has 2672 states and 4006 transitions. Word has length 135 [2025-03-03 17:31:43,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 17:31:43,958 INFO L471 AbstractCegarLoop]: Abstraction has 2672 states and 4006 transitions. [2025-03-03 17:31:43,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 5 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) [2025-03-03 17:31:43,958 INFO L276 IsEmpty]: Start isEmpty. Operand 2672 states and 4006 transitions. [2025-03-03 17:31:43,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2025-03-03 17:31:43,959 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 17:31:43,959 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] [2025-03-03 17:31:43,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-03 17:31:43,960 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 17:31:43,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 17:31:43,961 INFO L85 PathProgramCache]: Analyzing trace with hash -359554296, now seen corresponding path program 1 times [2025-03-03 17:31:43,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 17:31:43,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397809594] [2025-03-03 17:31:43,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 17:31:43,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 17:31:43,990 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 136 statements into 1 equivalence classes. [2025-03-03 17:31:44,028 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 136 of 136 statements. [2025-03-03 17:31:44,031 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 17:31:44,032 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 17:31:44,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 17:31:44,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 17:31:44,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397809594] [2025-03-03 17:31:44,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397809594] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 17:31:44,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 17:31:44,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-03 17:31:44,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483466848] [2025-03-03 17:31:44,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 17:31:44,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-03 17:31:44,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 17:31:44,451 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-03 17:31:44,451 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-03 17:31:44,452 INFO L87 Difference]: Start difference. First operand 2672 states and 4006 transitions. Second operand has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 6 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) [2025-03-03 17:31:46,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 17:31:46,718 INFO L93 Difference]: Finished difference Result 5118 states and 7674 transitions. [2025-03-03 17:31:46,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-03 17:31:46,719 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 6 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 [2025-03-03 17:31:46,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 17:31:46,724 INFO L225 Difference]: With dead ends: 5118 [2025-03-03 17:31:46,724 INFO L226 Difference]: Without dead ends: 2687 [2025-03-03 17:31:46,726 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2025-03-03 17:31:46,726 INFO L435 NwaCegarLoop]: 2444 mSDtfsCounter, 3728 mSDsluCounter, 7320 mSDsCounter, 0 mSdLazyCounter, 5575 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3728 SdHoareTripleChecker+Valid, 9764 SdHoareTripleChecker+Invalid, 5576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2025-03-03 17:31:46,726 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3728 Valid, 9764 Invalid, 5576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5575 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2025-03-03 17:31:46,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2687 states. [2025-03-03 17:31:46,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2687 to 2685. [2025-03-03 17:31:46,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2685 states, 2684 states have (on average 1.4981371087928466) internal successors, (4021), 2684 states have internal predecessors, (4021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:31:46,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2685 states to 2685 states and 4021 transitions. [2025-03-03 17:31:46,760 INFO L78 Accepts]: Start accepts. Automaton has 2685 states and 4021 transitions. Word has length 136 [2025-03-03 17:31:46,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 17:31:46,761 INFO L471 AbstractCegarLoop]: Abstraction has 2685 states and 4021 transitions. [2025-03-03 17:31:46,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 6 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) [2025-03-03 17:31:46,761 INFO L276 IsEmpty]: Start isEmpty. Operand 2685 states and 4021 transitions. [2025-03-03 17:31:46,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2025-03-03 17:31:46,762 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 17:31:46,762 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] [2025-03-03 17:31:46,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-03 17:31:46,763 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 17:31:46,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 17:31:46,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1599904981, now seen corresponding path program 1 times [2025-03-03 17:31:46,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 17:31:46,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390139637] [2025-03-03 17:31:46,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 17:31:46,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 17:31:46,793 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-03-03 17:31:46,825 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-03-03 17:31:46,826 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 17:31:46,826 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 17:31:46,826 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-03 17:31:46,840 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-03-03 17:31:46,870 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-03-03 17:31:46,870 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 17:31:46,870 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 17:31:46,943 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-03 17:31:46,944 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-03 17:31:46,944 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-03 17:31:46,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-03 17:31:46,948 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2025-03-03 17:31:47,019 WARN L310 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2025-03-03 17:31:47,037 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-03 17:31:47,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 05:31:47 BoogieIcfgContainer [2025-03-03 17:31:47,040 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-03 17:31:47,041 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-03 17:31:47,041 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-03 17:31:47,041 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-03 17:31:47,042 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 05:31:34" (3/4) ... [2025-03-03 17:31:47,043 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-03 17:31:47,044 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-03 17:31:47,045 INFO L158 Benchmark]: Toolchain (without parser) took 22483.86ms. Allocated memory was 167.8MB in the beginning and 671.1MB in the end (delta: 503.3MB). Free memory was 120.3MB in the beginning and 349.5MB in the end (delta: -229.2MB). Peak memory consumption was 280.4MB. Max. memory is 16.1GB. [2025-03-03 17:31:47,046 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory is still 115.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 17:31:47,046 INFO L158 Benchmark]: CACSL2BoogieTranslator took 670.69ms. Allocated memory was 167.8MB in the beginning and 176.2MB in the end (delta: 8.4MB). Free memory was 120.3MB in the beginning and 98.7MB in the end (delta: 21.6MB). Peak memory consumption was 116.4MB. Max. memory is 16.1GB. [2025-03-03 17:31:47,046 INFO L158 Benchmark]: Boogie Procedure Inliner took 606.38ms. Allocated memory was 176.2MB in the beginning and 419.4MB in the end (delta: 243.3MB). Free memory was 98.7MB in the beginning and 225.8MB in the end (delta: -127.1MB). Peak memory consumption was 124.4MB. Max. memory is 16.1GB. [2025-03-03 17:31:47,046 INFO L158 Benchmark]: Boogie Preprocessor took 603.42ms. Allocated memory is still 419.4MB. Free memory was 225.8MB in the beginning and 174.8MB in the end (delta: 51.0MB). Peak memory consumption was 70.3MB. Max. memory is 16.1GB. [2025-03-03 17:31:47,047 INFO L158 Benchmark]: IcfgBuilder took 7652.64ms. Allocated memory was 419.4MB in the beginning and 872.4MB in the end (delta: 453.0MB). Free memory was 174.8MB in the beginning and 306.7MB in the end (delta: -132.0MB). Peak memory consumption was 515.1MB. Max. memory is 16.1GB. [2025-03-03 17:31:47,047 INFO L158 Benchmark]: TraceAbstraction took 12942.37ms. Allocated memory was 872.4MB in the beginning and 671.1MB in the end (delta: -201.3MB). Free memory was 306.7MB in the beginning and 349.5MB in the end (delta: -42.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 17:31:47,047 INFO L158 Benchmark]: Witness Printer took 3.16ms. Allocated memory is still 671.1MB. Free memory was 349.5MB in the beginning and 349.5MB in the end (delta: 38.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 17:31:47,049 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory is still 115.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 670.69ms. Allocated memory was 167.8MB in the beginning and 176.2MB in the end (delta: 8.4MB). Free memory was 120.3MB in the beginning and 98.7MB in the end (delta: 21.6MB). Peak memory consumption was 116.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 606.38ms. Allocated memory was 176.2MB in the beginning and 419.4MB in the end (delta: 243.3MB). Free memory was 98.7MB in the beginning and 225.8MB in the end (delta: -127.1MB). Peak memory consumption was 124.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 603.42ms. Allocated memory is still 419.4MB. Free memory was 225.8MB in the beginning and 174.8MB in the end (delta: 51.0MB). Peak memory consumption was 70.3MB. Max. memory is 16.1GB. * IcfgBuilder took 7652.64ms. Allocated memory was 419.4MB in the beginning and 872.4MB in the end (delta: 453.0MB). Free memory was 174.8MB in the beginning and 306.7MB in the end (delta: -132.0MB). Peak memory consumption was 515.1MB. Max. memory is 16.1GB. * TraceAbstraction took 12942.37ms. Allocated memory was 872.4MB in the beginning and 671.1MB in the end (delta: -201.3MB). Free memory was 306.7MB in the beginning and 349.5MB in the end (delta: -42.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.16ms. Allocated memory is still 671.1MB. Free memory was 349.5MB in the beginning and 349.5MB in the end (delta: 38.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 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_20 = 0; [L40] const SORT_4 var_73 = 1; [L41] const SORT_4 var_74 = 0; [L42] const SORT_2 var_90 = 0; [L43] const SORT_2 var_92 = 6; [L44] const SORT_2 var_95 = 5; [L45] const SORT_2 var_98 = 4; [L46] const SORT_2 var_101 = 3; [L47] const SORT_2 var_104 = 2; [L48] const SORT_2 var_107 = 1; [L49] const SORT_2 var_121 = 255; [L50] const SORT_3 var_125 = 0; [L51] const SORT_4 var_129 = 255; [L53] SORT_1 input_89; [L54] SORT_1 input_91; [L55] SORT_1 input_93; [L56] SORT_1 input_94; [L57] SORT_1 input_96; [L58] SORT_1 input_97; [L59] SORT_1 input_99; [L60] SORT_1 input_100; [L61] SORT_1 input_102; [L62] SORT_1 input_103; [L63] SORT_1 input_105; [L64] SORT_1 input_106; [L65] SORT_1 input_122; [L66] SORT_1 input_123; [L67] SORT_1 input_124; [L68] SORT_1 input_141; [L69] SORT_1 input_142; [L70] SORT_1 input_157; [L71] SORT_1 input_158; [L72] SORT_1 input_173; [L73] SORT_1 input_174; [L74] SORT_1 input_189; [L75] SORT_1 input_190; [L76] SORT_1 input_205; [L77] SORT_1 input_206; [L78] SORT_1 input_223; [L79] SORT_1 input_231; [L80] SORT_1 input_239; [L81] SORT_1 input_247; [L82] SORT_1 input_255; [L83] SORT_1 input_263; [L84] SORT_1 input_271; [L85] SORT_1 input_279; [L86] SORT_1 input_287; [L87] SORT_1 input_295; [L88] SORT_1 input_303; [L89] SORT_1 input_311; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L91] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L92] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L93] SORT_2 state_10 = __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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L94] SORT_2 state_12 = __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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L95] SORT_2 state_14 = __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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L96] SORT_2 state_16 = __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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L97] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L98] SORT_1 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L99] SORT_1 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L100] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L101] SORT_1 state_27 = __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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L102] SORT_1 state_29 = __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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L103] SORT_1 state_31 = __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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L104] SORT_1 state_33 = __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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L105] SORT_1 state_35 = __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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L106] SORT_1 state_37 = __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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L107] SORT_1 state_39 = __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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L108] SORT_1 state_41 = __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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L109] SORT_1 state_43 = __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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L110] SORT_1 state_45 = __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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L111] SORT_1 state_47 = __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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L112] SORT_1 state_49 = __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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L113] SORT_1 state_51 = __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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L114] SORT_1 state_53 = __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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L115] SORT_1 state_55 = __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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L116] SORT_1 state_57 = __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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L117] SORT_1 state_59 = __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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L118] SORT_1 state_61 = __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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L119] SORT_1 state_63 = __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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L120] SORT_1 state_65 = __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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L121] SORT_1 state_67 = __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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L122] SORT_1 state_69 = __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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L123] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L125] SORT_2 init_7_arg_1 = var_5; [L126] state_6 = init_7_arg_1 [L127] SORT_2 init_9_arg_1 = var_5; [L128] state_8 = init_9_arg_1 [L129] SORT_2 init_11_arg_1 = var_5; [L130] state_10 = init_11_arg_1 [L131] SORT_2 init_13_arg_1 = var_5; [L132] state_12 = init_13_arg_1 [L133] SORT_2 init_15_arg_1 = var_5; [L134] state_14 = init_15_arg_1 [L135] SORT_2 init_17_arg_1 = var_5; [L136] state_16 = init_17_arg_1 [L137] SORT_2 init_19_arg_1 = var_5; [L138] state_18 = init_19_arg_1 [L139] SORT_1 init_22_arg_1 = var_20; [L140] state_21 = init_22_arg_1 [L141] SORT_1 init_24_arg_1 = var_20; [L142] state_23 = init_24_arg_1 [L143] SORT_1 init_26_arg_1 = var_20; [L144] state_25 = init_26_arg_1 [L145] SORT_1 init_28_arg_1 = var_20; [L146] state_27 = init_28_arg_1 [L147] SORT_1 init_30_arg_1 = var_20; [L148] state_29 = init_30_arg_1 [L149] SORT_1 init_32_arg_1 = var_20; [L150] state_31 = init_32_arg_1 [L151] SORT_1 init_34_arg_1 = var_20; [L152] state_33 = init_34_arg_1 [L153] SORT_1 init_36_arg_1 = var_20; [L154] state_35 = init_36_arg_1 [L155] SORT_1 init_38_arg_1 = var_20; [L156] state_37 = init_38_arg_1 [L157] SORT_1 init_40_arg_1 = var_20; [L158] state_39 = init_40_arg_1 [L159] SORT_1 init_42_arg_1 = var_20; [L160] state_41 = init_42_arg_1 [L161] SORT_1 init_44_arg_1 = var_20; [L162] state_43 = init_44_arg_1 [L163] SORT_1 init_46_arg_1 = var_20; [L164] state_45 = init_46_arg_1 [L165] SORT_1 init_48_arg_1 = var_20; [L166] state_47 = init_48_arg_1 [L167] SORT_1 init_50_arg_1 = var_20; [L168] state_49 = init_50_arg_1 [L169] SORT_1 init_52_arg_1 = var_20; [L170] state_51 = init_52_arg_1 [L171] SORT_1 init_54_arg_1 = var_20; [L172] state_53 = init_54_arg_1 [L173] SORT_1 init_56_arg_1 = var_20; [L174] state_55 = init_56_arg_1 [L175] SORT_1 init_58_arg_1 = var_20; [L176] state_57 = init_58_arg_1 [L177] SORT_1 init_60_arg_1 = var_20; [L178] state_59 = init_60_arg_1 [L179] SORT_1 init_62_arg_1 = var_20; [L180] state_61 = init_62_arg_1 [L181] SORT_1 init_64_arg_1 = var_20; [L182] state_63 = init_64_arg_1 [L183] SORT_1 init_66_arg_1 = var_20; [L184] state_65 = init_66_arg_1 [L185] SORT_1 init_68_arg_1 = var_20; [L186] state_67 = init_68_arg_1 [L187] SORT_1 init_70_arg_1 = var_20; [L188] state_69 = init_70_arg_1 [L189] SORT_1 init_72_arg_1 = var_20; [L190] state_71 = init_72_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_21=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_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L193] input_89 = __VERIFIER_nondet_uchar() [L194] EXPR input_89 & 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_21=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_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L194] input_89 = input_89 & mask_SORT_1 [L195] input_91 = __VERIFIER_nondet_uchar() [L196] EXPR input_91 & mask_SORT_1 VAL [input_89=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=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_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L196] input_91 = input_91 & mask_SORT_1 [L197] input_93 = __VERIFIER_nondet_uchar() [L198] EXPR input_93 & mask_SORT_1 VAL [input_89=0, input_91=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_21=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_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L198] input_93 = input_93 & mask_SORT_1 [L199] input_94 = __VERIFIER_nondet_uchar() [L200] EXPR input_94 & mask_SORT_1 VAL [input_89=0, input_91=0, input_93=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_21=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_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L200] input_94 = input_94 & mask_SORT_1 [L201] input_96 = __VERIFIER_nondet_uchar() [L202] EXPR input_96 & mask_SORT_1 VAL [input_89=0, input_91=0, input_93=0, input_94=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_21=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_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L202] input_96 = input_96 & mask_SORT_1 [L203] input_97 = __VERIFIER_nondet_uchar() [L204] EXPR input_97 & mask_SORT_1 VAL [input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=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_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L204] input_97 = input_97 & mask_SORT_1 [L205] input_99 = __VERIFIER_nondet_uchar() [L206] EXPR input_99 & mask_SORT_1 VAL [input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=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_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L206] input_99 = input_99 & mask_SORT_1 [L207] input_100 = __VERIFIER_nondet_uchar() [L208] EXPR input_100 & mask_SORT_1 VAL [input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=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_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L208] input_100 = input_100 & mask_SORT_1 [L209] input_102 = __VERIFIER_nondet_uchar() [L210] EXPR input_102 & mask_SORT_1 VAL [input_100=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=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_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L210] input_102 = input_102 & mask_SORT_1 [L211] input_103 = __VERIFIER_nondet_uchar() [L212] EXPR input_103 & mask_SORT_1 VAL [input_100=0, input_102=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=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_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L212] input_103 = input_103 & mask_SORT_1 [L213] input_105 = __VERIFIER_nondet_uchar() [L214] EXPR input_105 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=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_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L214] input_105 = input_105 & mask_SORT_1 [L215] input_106 = __VERIFIER_nondet_uchar() [L216] EXPR input_106 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=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_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L216] input_106 = input_106 & mask_SORT_1 [L217] input_122 = __VERIFIER_nondet_uchar() [L218] EXPR input_122 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=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_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L218] input_122 = input_122 & mask_SORT_1 [L219] input_123 = __VERIFIER_nondet_uchar() [L220] EXPR input_123 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=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_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L220] input_123 = input_123 & mask_SORT_1 [L221] input_124 = __VERIFIER_nondet_uchar() [L222] EXPR input_124 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=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_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L222] input_124 = input_124 & mask_SORT_1 [L223] input_141 = __VERIFIER_nondet_uchar() [L224] EXPR input_141 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=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_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L224] input_141 = input_141 & mask_SORT_1 [L225] input_142 = __VERIFIER_nondet_uchar() [L226] EXPR input_142 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=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_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L226] input_142 = input_142 & mask_SORT_1 [L227] input_157 = __VERIFIER_nondet_uchar() [L228] EXPR input_157 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=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_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L228] input_157 = input_157 & mask_SORT_1 [L229] input_158 = __VERIFIER_nondet_uchar() [L230] EXPR input_158 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=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_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L230] input_158 = input_158 & mask_SORT_1 [L231] input_173 = __VERIFIER_nondet_uchar() [L232] EXPR input_173 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=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_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L232] input_173 = input_173 & mask_SORT_1 [L233] input_174 = __VERIFIER_nondet_uchar() [L234] EXPR input_174 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=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_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L234] input_174 = input_174 & mask_SORT_1 [L235] input_189 = __VERIFIER_nondet_uchar() [L236] EXPR input_189 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_174=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=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_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L236] input_189 = input_189 & mask_SORT_1 [L237] input_190 = __VERIFIER_nondet_uchar() [L238] EXPR input_190 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_174=0, input_189=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=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_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L238] input_190 = input_190 & mask_SORT_1 [L239] input_205 = __VERIFIER_nondet_uchar() [L240] EXPR input_205 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_174=0, input_189=0, input_190=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=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_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L240] input_205 = input_205 & mask_SORT_1 [L241] input_206 = __VERIFIER_nondet_uchar() [L242] EXPR input_206 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_174=0, input_189=0, input_190=0, input_205=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=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_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L242] input_206 = input_206 & mask_SORT_1 [L243] input_223 = __VERIFIER_nondet_uchar() [L244] input_231 = __VERIFIER_nondet_uchar() [L245] input_239 = __VERIFIER_nondet_uchar() [L246] input_247 = __VERIFIER_nondet_uchar() [L247] input_255 = __VERIFIER_nondet_uchar() [L248] input_263 = __VERIFIER_nondet_uchar() [L249] input_271 = __VERIFIER_nondet_uchar() [L250] input_279 = __VERIFIER_nondet_uchar() [L251] input_287 = __VERIFIER_nondet_uchar() [L252] input_295 = __VERIFIER_nondet_uchar() [L253] input_303 = __VERIFIER_nondet_uchar() [L254] input_311 = __VERIFIER_nondet_uchar() [L257] SORT_1 var_75_arg_0 = state_29; [L258] SORT_4 var_75_arg_1 = var_73; [L259] SORT_4 var_75_arg_2 = var_74; [L260] SORT_4 var_75 = var_75_arg_0 ? var_75_arg_1 : var_75_arg_2; [L261] SORT_1 var_76_arg_0 = state_37; [L262] SORT_4 var_76_arg_1 = var_73; [L263] SORT_4 var_76_arg_2 = var_74; [L264] SORT_4 var_76 = var_76_arg_0 ? var_76_arg_1 : var_76_arg_2; [L265] SORT_4 var_77_arg_0 = var_75; [L266] SORT_4 var_77_arg_1 = var_76; [L267] SORT_4 var_77 = var_77_arg_0 + var_77_arg_1; [L268] SORT_1 var_78_arg_0 = state_45; [L269] SORT_4 var_78_arg_1 = var_73; [L270] SORT_4 var_78_arg_2 = var_74; [L271] SORT_4 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L272] SORT_4 var_79_arg_0 = var_77; [L273] SORT_4 var_79_arg_1 = var_78; [L274] SORT_4 var_79 = var_79_arg_0 + var_79_arg_1; [L275] SORT_1 var_80_arg_0 = state_53; [L276] SORT_4 var_80_arg_1 = var_73; [L277] SORT_4 var_80_arg_2 = var_74; [L278] SORT_4 var_80 = var_80_arg_0 ? var_80_arg_1 : var_80_arg_2; [L279] SORT_4 var_81_arg_0 = var_79; [L280] SORT_4 var_81_arg_1 = var_80; [L281] SORT_4 var_81 = var_81_arg_0 + var_81_arg_1; [L282] SORT_1 var_82_arg_0 = state_61; [L283] SORT_4 var_82_arg_1 = var_73; [L284] SORT_4 var_82_arg_2 = var_74; [L285] SORT_4 var_82 = var_82_arg_0 ? var_82_arg_1 : var_82_arg_2; [L286] SORT_4 var_83_arg_0 = var_81; [L287] SORT_4 var_83_arg_1 = var_82; [L288] SORT_4 var_83 = var_83_arg_0 + var_83_arg_1; [L289] SORT_1 var_84_arg_0 = state_69; [L290] SORT_4 var_84_arg_1 = var_73; [L291] SORT_4 var_84_arg_2 = var_74; [L292] SORT_4 var_84 = var_84_arg_0 ? var_84_arg_1 : var_84_arg_2; [L293] SORT_4 var_85_arg_0 = var_83; [L294] SORT_4 var_85_arg_1 = var_84; [L295] SORT_4 var_85 = var_85_arg_0 + var_85_arg_1; VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_174=0, input_189=0, input_190=0, input_205=0, input_206=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=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_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_85=0, var_90=0, var_92=6, var_95=5, var_98=4] [L296] EXPR var_85 & mask_SORT_4 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_174=0, input_189=0, input_190=0, input_205=0, input_206=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=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_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L296] var_85 = var_85 & mask_SORT_4 [L297] SORT_4 var_86_arg_0 = var_85; [L298] SORT_4 var_86_arg_1 = var_73; [L299] SORT_1 var_86 = var_86_arg_0 <= var_86_arg_1; [L300] SORT_1 var_87_arg_0 = ~state_71; VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_174=0, input_189=0, input_190=0, input_205=0, input_206=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=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_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_86=1, var_87_arg_0=-1, var_90=0, var_92=6, var_95=5, var_98=4] [L301] EXPR var_87_arg_0 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_174=0, input_189=0, input_190=0, input_205=0, input_206=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=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_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_86=1, var_90=0, var_92=6, var_95=5, var_98=4] [L301] var_87_arg_0 = var_87_arg_0 & mask_SORT_1 [L302] SORT_1 var_87_arg_1 = ~var_86; VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_174=0, input_189=0, input_190=0, input_205=0, input_206=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=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_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_87_arg_0=1, var_87_arg_1=-2, var_90=0, var_92=6, var_95=5, var_98=4] [L303] EXPR var_87_arg_1 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_174=0, input_189=0, input_190=0, input_205=0, input_206=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=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_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_87_arg_0=1, var_90=0, var_92=6, var_95=5, var_98=4] [L303] var_87_arg_1 = var_87_arg_1 & mask_SORT_1 [L304] EXPR var_87_arg_0 & var_87_arg_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_174=0, input_189=0, input_190=0, input_205=0, input_206=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=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_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L304] SORT_1 var_87 = var_87_arg_0 & var_87_arg_1; [L305] EXPR var_87 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_174=0, input_189=0, input_190=0, input_205=0, input_206=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=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_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L305] var_87 = var_87 & mask_SORT_1 [L306] SORT_1 bad_88_arg_0 = var_87; [L307] CALL __VERIFIER_assert(!(bad_88_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 2558 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.8s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7427 SdHoareTripleChecker+Valid, 9.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7427 mSDsluCounter, 57853 SdHoareTripleChecker+Invalid, 7.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 40153 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18644 IncrementalHoareTripleChecker+Invalid, 18647 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 17700 mSDtfsCounter, 18644 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2685occurred in iteration=6, InterpolantAutomatonStates: 27, 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, 2314 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 938 NumberOfCodeBlocks, 938 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 795 ConstructedInterpolants, 0 QuantifiedInterpolants, 2311 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 [2025-03-03 17:31:47,097 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.fischer.3.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 4c71fab330bdc6012057120a447b5cc1b5316aa36d41a10077f304914f3f84a7 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 17:31:48,943 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 17:31:49,041 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2025-03-03 17:31:49,048 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 17:31:49,049 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 17:31:49,073 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 17:31:49,074 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 17:31:49,074 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 17:31:49,074 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 17:31:49,075 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 17:31:49,075 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 17:31:49,075 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 17:31:49,075 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 17:31:49,076 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 17:31:49,076 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 17:31:49,076 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 17:31:49,076 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 17:31:49,077 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 17:31:49,077 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 17:31:49,077 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 17:31:49,077 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 17:31:49,077 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-03 17:31:49,077 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-03 17:31:49,077 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-03 17:31:49,077 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 17:31:49,077 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 17:31:49,077 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 17:31:49,077 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 17:31:49,078 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 17:31:49,078 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 17:31:49,078 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 17:31:49,078 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 17:31:49,078 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 17:31:49,078 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 17:31:49,078 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 17:31:49,079 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 17:31:49,079 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-03 17:31:49,079 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-03 17:31:49,079 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 17:31:49,079 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 17:31:49,079 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 17:31:49,080 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 17:31:49,080 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 -> 4c71fab330bdc6012057120a447b5cc1b5316aa36d41a10077f304914f3f84a7 [2025-03-03 17:31:49,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 17:31:49,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 17:31:49,328 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 17:31:49,329 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 17:31:49,329 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 17:31:49,330 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.3.prop1-func-interl.c [2025-03-03 17:31:50,456 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa167ea8e/78e15034bc54471fb0df738f272cc376/FLAG5651071b7 [2025-03-03 17:31:50,736 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 17:31:50,738 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.3.prop1-func-interl.c [2025-03-03 17:31:50,755 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa167ea8e/78e15034bc54471fb0df738f272cc376/FLAG5651071b7 [2025-03-03 17:31:50,774 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa167ea8e/78e15034bc54471fb0df738f272cc376 [2025-03-03 17:31:50,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 17:31:50,777 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 17:31:50,779 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 17:31:50,780 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 17:31:50,783 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 17:31:50,784 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 05:31:50" (1/1) ... [2025-03-03 17:31:50,784 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78a3473 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:31:50, skipping insertion in model container [2025-03-03 17:31:50,784 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 05:31:50" (1/1) ... [2025-03-03 17:31:50,835 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 17:31:50,973 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.fischer.3.prop1-func-interl.c[1174,1187] [2025-03-03 17:31:51,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 17:31:51,210 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 17:31:51,220 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.fischer.3.prop1-func-interl.c[1174,1187] [2025-03-03 17:31:51,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 17:31:51,365 INFO L204 MainTranslator]: Completed translation [2025-03-03 17:31:51,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:31:51 WrapperNode [2025-03-03 17:31:51,366 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 17:31:51,367 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 17:31:51,368 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 17:31:51,368 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 17:31:51,373 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:31:51" (1/1) ... [2025-03-03 17:31:51,405 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:31:51" (1/1) ... [2025-03-03 17:31:51,502 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2201 [2025-03-03 17:31:51,503 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 17:31:51,503 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 17:31:51,503 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 17:31:51,503 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 17:31:51,510 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:31:51" (1/1) ... [2025-03-03 17:31:51,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:31:51" (1/1) ... [2025-03-03 17:31:51,522 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:31:51" (1/1) ... [2025-03-03 17:31:51,560 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]. [2025-03-03 17:31:51,560 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:31:51" (1/1) ... [2025-03-03 17:31:51,561 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:31:51" (1/1) ... [2025-03-03 17:31:51,600 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:31:51" (1/1) ... [2025-03-03 17:31:51,607 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:31:51" (1/1) ... [2025-03-03 17:31:51,616 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:31:51" (1/1) ... [2025-03-03 17:31:51,627 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:31:51" (1/1) ... [2025-03-03 17:31:51,642 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 17:31:51,643 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 17:31:51,643 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 17:31:51,643 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 17:31:51,644 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:31:51" (1/1) ... [2025-03-03 17:31:51,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 17:31:51,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 17:31:51,668 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) [2025-03-03 17:31:51,672 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 [2025-03-03 17:31:51,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 17:31:51,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-03 17:31:51,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 17:31:51,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 17:31:51,996 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 17:31:51,997 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 17:31:53,520 INFO L? ?]: Removed 128 outVars from TransFormulas that were not future-live. [2025-03-03 17:31:53,520 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 17:31:53,527 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 17:31:53,527 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 17:31:53,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 05:31:53 BoogieIcfgContainer [2025-03-03 17:31:53,528 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 17:31:53,530 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 17:31:53,530 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 17:31:53,534 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 17:31:53,534 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 05:31:50" (1/3) ... [2025-03-03 17:31:53,535 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c2336da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 05:31:53, skipping insertion in model container [2025-03-03 17:31:53,535 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:31:51" (2/3) ... [2025-03-03 17:31:53,535 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c2336da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 05:31:53, skipping insertion in model container [2025-03-03 17:31:53,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 05:31:53" (3/3) ... [2025-03-03 17:31:53,536 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.fischer.3.prop1-func-interl.c [2025-03-03 17:31:53,546 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 17:31:53,547 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.fischer.3.prop1-func-interl.c that has 1 procedures, 10 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-03 17:31:53,581 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 17:31:53,590 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;@2662ebfa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 17:31:53,591 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 17:31:53,593 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:31:53,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-03-03 17:31:53,596 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 17:31:53,596 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-03-03 17:31:53,596 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 17:31:53,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 17:31:53,600 INFO L85 PathProgramCache]: Analyzing trace with hash 38140359, now seen corresponding path program 1 times [2025-03-03 17:31:53,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 17:31:53,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1688448900] [2025-03-03 17:31:53,607 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 17:31:53,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 17:31:53,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 17:31:53,610 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) [2025-03-03 17:31:53,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-03 17:31:53,980 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-03 17:31:54,010 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-03 17:31:54,010 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 17:31:54,010 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 17:31:54,016 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 58 conjuncts are in the unsatisfiable core [2025-03-03 17:31:54,032 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 17:31:54,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 17:31:54,497 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 17:31:54,498 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-03 17:31:54,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1688448900] [2025-03-03 17:31:54,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1688448900] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 17:31:54,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 17:31:54,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-03 17:31:54,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112846226] [2025-03-03 17:31:54,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 17:31:54,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-03 17:31:54,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-03 17:31:54,517 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-03 17:31:54,517 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-03 17:31:54,520 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:31:54,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 17:31:54,699 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2025-03-03 17:31:54,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-03 17:31:54,701 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-03-03 17:31:54,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 17:31:54,705 INFO L225 Difference]: With dead ends: 18 [2025-03-03 17:31:54,705 INFO L226 Difference]: Without dead ends: 10 [2025-03-03 17:31:54,707 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-03 17:31:54,708 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-03 17:31:54,708 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-03 17:31:54,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2025-03-03 17:31:54,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2025-03-03 17:31:54,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:31:54,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2025-03-03 17:31:54,730 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2025-03-03 17:31:54,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 17:31:54,730 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2025-03-03 17:31:54,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:31:54,730 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2025-03-03 17:31:54,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-03-03 17:31:54,731 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 17:31:54,731 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2025-03-03 17:31:54,739 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-03 17:31:54,935 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 [2025-03-03 17:31:54,935 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 17:31:54,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 17:31:54,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1926026653, now seen corresponding path program 1 times [2025-03-03 17:31:54,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 17:31:54,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [392568126] [2025-03-03 17:31:54,937 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 17:31:54,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 17:31:54,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 17:31:54,939 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) [2025-03-03 17:31:54,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-03 17:31:55,346 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-03 17:31:55,433 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-03 17:31:55,433 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 17:31:55,433 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 17:31:55,450 INFO L256 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 81 conjuncts are in the unsatisfiable core [2025-03-03 17:31:55,468 INFO L279 TraceCheckSpWp]: Computing forward predicates...