./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.7.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.7.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 de227c051b8f49d3a151b019043adc8d3b2b410c23383c7a1c8f8a9dd58aa98d --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-16 20:52:41,326 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-16 20:52:41,371 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-16 20:52:41,378 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-16 20:52:41,379 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-16 20:52:41,397 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-16 20:52:41,398 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-16 20:52:41,398 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-16 20:52:41,398 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-16 20:52:41,399 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-16 20:52:41,399 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-16 20:52:41,399 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-16 20:52:41,399 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-16 20:52:41,399 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-16 20:52:41,399 INFO L153 SettingsManager]: * Use SBE=true [2025-03-16 20:52:41,399 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-16 20:52:41,399 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-16 20:52:41,399 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-16 20:52:41,400 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-16 20:52:41,400 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-16 20:52:41,400 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-16 20:52:41,400 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-16 20:52:41,400 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-16 20:52:41,400 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-16 20:52:41,400 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-16 20:52:41,400 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-16 20:52:41,400 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-16 20:52:41,400 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-16 20:52:41,400 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-16 20:52:41,401 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 20:52:41,401 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-16 20:52:41,401 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-16 20:52:41,401 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-16 20:52:41,401 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-16 20:52:41,401 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-16 20:52:41,401 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-16 20:52:41,401 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-16 20:52:41,401 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-16 20:52:41,401 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-16 20:52:41,401 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-16 20:52:41,402 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 -> de227c051b8f49d3a151b019043adc8d3b2b410c23383c7a1c8f8a9dd58aa98d [2025-03-16 20:52:41,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-16 20:52:41,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-16 20:52:41,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-16 20:52:41,632 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-16 20:52:41,632 INFO L274 PluginConnector]: CDTParser initialized [2025-03-16 20:52:41,633 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.7.prop1-func-interl.c [2025-03-16 20:52:42,827 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50991de60/0c4edfe07afb42318abbad6d80f1786f/FLAGf5b04768c [2025-03-16 20:52:43,245 INFO L384 CDTParser]: Found 1 translation units. [2025-03-16 20:52:43,246 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.7.prop1-func-interl.c [2025-03-16 20:52:43,263 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50991de60/0c4edfe07afb42318abbad6d80f1786f/FLAGf5b04768c [2025-03-16 20:52:43,393 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50991de60/0c4edfe07afb42318abbad6d80f1786f [2025-03-16 20:52:43,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-16 20:52:43,396 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-16 20:52:43,397 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-16 20:52:43,397 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-16 20:52:43,400 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-16 20:52:43,401 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 08:52:43" (1/1) ... [2025-03-16 20:52:43,401 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2df1d415 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:52:43, skipping insertion in model container [2025-03-16 20:52:43,401 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 08:52:43" (1/1) ... [2025-03-16 20:52:43,448 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-16 20:52:43,588 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.anderson.7.prop1-func-interl.c[1175,1188] [2025-03-16 20:52:43,886 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 20:52:43,898 INFO L200 MainTranslator]: Completed pre-run [2025-03-16 20:52:43,905 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.anderson.7.prop1-func-interl.c[1175,1188] [2025-03-16 20:52:44,117 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 20:52:44,127 INFO L204 MainTranslator]: Completed translation [2025-03-16 20:52:44,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:52:44 WrapperNode [2025-03-16 20:52:44,128 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-16 20:52:44,129 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-16 20:52:44,129 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-16 20:52:44,129 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-16 20:52:44,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:52:44" (1/1) ... [2025-03-16 20:52:44,211 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:52:44" (1/1) ... [2025-03-16 20:52:44,817 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 10712 [2025-03-16 20:52:44,817 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-16 20:52:44,818 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-16 20:52:44,818 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-16 20:52:44,818 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-16 20:52:44,823 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:52:44" (1/1) ... [2025-03-16 20:52:44,824 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:52:44" (1/1) ... [2025-03-16 20:52:44,997 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:52:44" (1/1) ... [2025-03-16 20:52:45,157 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-16 20:52:45,158 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:52:44" (1/1) ... [2025-03-16 20:52:45,158 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:52:44" (1/1) ... [2025-03-16 20:52:45,362 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:52:44" (1/1) ... [2025-03-16 20:52:45,388 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:52:44" (1/1) ... [2025-03-16 20:52:45,423 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:52:44" (1/1) ... [2025-03-16 20:52:45,454 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:52:44" (1/1) ... [2025-03-16 20:52:45,604 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-16 20:52:45,605 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-16 20:52:45,605 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-16 20:52:45,605 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-16 20:52:45,607 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:52:44" (1/1) ... [2025-03-16 20:52:45,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 20:52:45,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 20:52:45,633 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-16 20:52:45,638 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-16 20:52:45,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-16 20:52:45,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-16 20:52:45,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-16 20:52:45,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-16 20:52:46,089 INFO L256 CfgBuilder]: Building ICFG [2025-03-16 20:52:46,091 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-16 20:52:56,933 INFO L? ?]: Removed 5980 outVars from TransFormulas that were not future-live. [2025-03-16 20:52:56,933 INFO L307 CfgBuilder]: Performing block encoding [2025-03-16 20:52:57,235 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-16 20:52:57,238 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-16 20:52:57,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 08:52:57 BoogieIcfgContainer [2025-03-16 20:52:57,239 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-16 20:52:57,240 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-16 20:52:57,240 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-16 20:52:57,244 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-16 20:52:57,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 08:52:43" (1/3) ... [2025-03-16 20:52:57,244 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40de5ac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 08:52:57, skipping insertion in model container [2025-03-16 20:52:57,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:52:44" (2/3) ... [2025-03-16 20:52:57,245 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40de5ac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 08:52:57, skipping insertion in model container [2025-03-16 20:52:57,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 08:52:57" (3/3) ... [2025-03-16 20:52:57,246 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.anderson.7.prop1-func-interl.c [2025-03-16 20:52:57,258 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-16 20:52:57,260 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.anderson.7.prop1-func-interl.c that has 1 procedures, 3670 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-16 20:52:57,357 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-16 20:52:57,366 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;@19572d7e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-16 20:52:57,367 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-16 20:52:57,378 INFO L276 IsEmpty]: Start isEmpty. Operand has 3670 states, 3668 states have (on average 1.5051799345692476) internal successors, (5521), 3669 states have internal predecessors, (5521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 20:52:57,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2025-03-16 20:52:57,389 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 20:52:57,389 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 20:52:57,390 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 20:52:57,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 20:52:57,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1824734464, now seen corresponding path program 1 times [2025-03-16 20:52:57,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 20:52:57,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903828889] [2025-03-16 20:52:57,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 20:52:57,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 20:52:57,511 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-03-16 20:52:57,672 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-03-16 20:52:57,676 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 20:52:57,676 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 20:52:58,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 20:52:58,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 20:52:58,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903828889] [2025-03-16 20:52:58,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903828889] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 20:52:58,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 20:52:58,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-16 20:52:58,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489423465] [2025-03-16 20:52:58,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 20:52:58,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-16 20:52:58,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 20:52:58,440 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-16 20:52:58,441 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-16 20:52:58,449 INFO L87 Difference]: Start difference. First operand has 3670 states, 3668 states have (on average 1.5051799345692476) internal successors, (5521), 3669 states have internal predecessors, (5521), 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 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 20:53:03,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 20:53:03,213 INFO L93 Difference]: Finished difference Result 10640 states and 16013 transitions. [2025-03-16 20:53:03,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-16 20:53:03,215 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 138 [2025-03-16 20:53:03,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 20:53:03,260 INFO L225 Difference]: With dead ends: 10640 [2025-03-16 20:53:03,260 INFO L226 Difference]: Without dead ends: 7147 [2025-03-16 20:53:03,276 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 [2025-03-16 20:53:03,280 INFO L435 NwaCegarLoop]: 3607 mSDtfsCounter, 5372 mSDsluCounter, 10686 mSDsCounter, 0 mSdLazyCounter, 7514 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5372 SdHoareTripleChecker+Valid, 14293 SdHoareTripleChecker+Invalid, 7515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2025-03-16 20:53:03,281 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5372 Valid, 14293 Invalid, 7515 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 7514 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2025-03-16 20:53:03,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7147 states. [2025-03-16 20:53:03,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7147 to 3747. [2025-03-16 20:53:03,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3747 states, 3746 states have (on average 1.50427122263748) internal successors, (5635), 3746 states have internal predecessors, (5635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 20:53:03,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3747 states to 3747 states and 5635 transitions. [2025-03-16 20:53:03,467 INFO L78 Accepts]: Start accepts. Automaton has 3747 states and 5635 transitions. Word has length 138 [2025-03-16 20:53:03,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 20:53:03,468 INFO L471 AbstractCegarLoop]: Abstraction has 3747 states and 5635 transitions. [2025-03-16 20:53:03,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 20:53:03,469 INFO L276 IsEmpty]: Start isEmpty. Operand 3747 states and 5635 transitions. [2025-03-16 20:53:03,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2025-03-16 20:53:03,470 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 20:53:03,473 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 20:53:03,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-16 20:53:03,473 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 20:53:03,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 20:53:03,475 INFO L85 PathProgramCache]: Analyzing trace with hash 217606832, now seen corresponding path program 1 times [2025-03-16 20:53:03,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 20:53:03,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516896514] [2025-03-16 20:53:03,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 20:53:03,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 20:53:03,537 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 140 statements into 1 equivalence classes. [2025-03-16 20:53:03,563 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 140 of 140 statements. [2025-03-16 20:53:03,564 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 20:53:03,564 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 20:53:03,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 20:53:03,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 20:53:03,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516896514] [2025-03-16 20:53:03,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516896514] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 20:53:03,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 20:53:03,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-16 20:53:03,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596662290] [2025-03-16 20:53:03,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 20:53:03,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-16 20:53:03,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 20:53:03,969 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-16 20:53:03,969 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-16 20:53:03,969 INFO L87 Difference]: Start difference. First operand 3747 states and 5635 transitions. Second operand has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 20:53:05,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 20:53:05,309 INFO L93 Difference]: Finished difference Result 3751 states and 5639 transitions. [2025-03-16 20:53:05,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-16 20:53:05,310 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 140 [2025-03-16 20:53:05,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 20:53:05,321 INFO L225 Difference]: With dead ends: 3751 [2025-03-16 20:53:05,321 INFO L226 Difference]: Without dead ends: 3749 [2025-03-16 20:53:05,323 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-16 20:53:05,324 INFO L435 NwaCegarLoop]: 4610 mSDtfsCounter, 0 mSDsluCounter, 9215 mSDsCounter, 0 mSdLazyCounter, 2728 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13825 SdHoareTripleChecker+Invalid, 2728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-03-16 20:53:05,324 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13825 Invalid, 2728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2728 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-03-16 20:53:05,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3749 states. [2025-03-16 20:53:05,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3749 to 3749. [2025-03-16 20:53:05,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3749 states, 3748 states have (on average 1.5040021344717183) internal successors, (5637), 3748 states have internal predecessors, (5637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 20:53:05,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3749 states to 3749 states and 5637 transitions. [2025-03-16 20:53:05,382 INFO L78 Accepts]: Start accepts. Automaton has 3749 states and 5637 transitions. Word has length 140 [2025-03-16 20:53:05,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 20:53:05,383 INFO L471 AbstractCegarLoop]: Abstraction has 3749 states and 5637 transitions. [2025-03-16 20:53:05,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 20:53:05,383 INFO L276 IsEmpty]: Start isEmpty. Operand 3749 states and 5637 transitions. [2025-03-16 20:53:05,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2025-03-16 20:53:05,384 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 20:53:05,384 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 20:53:05,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-16 20:53:05,385 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 20:53:05,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 20:53:05,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1839437708, now seen corresponding path program 1 times [2025-03-16 20:53:05,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 20:53:05,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121856477] [2025-03-16 20:53:05,385 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 20:53:05,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 20:53:05,428 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes. [2025-03-16 20:53:05,446 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements. [2025-03-16 20:53:05,446 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 20:53:05,446 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 20:53:05,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 20:53:05,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 20:53:05,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121856477] [2025-03-16 20:53:05,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121856477] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 20:53:05,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 20:53:05,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-16 20:53:05,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876952938] [2025-03-16 20:53:05,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 20:53:05,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-16 20:53:05,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 20:53:05,610 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-16 20:53:05,610 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-16 20:53:05,611 INFO L87 Difference]: Start difference. First operand 3749 states and 5637 transitions. Second operand has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 20:53:06,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 20:53:06,890 INFO L93 Difference]: Finished difference Result 7244 states and 10895 transitions. [2025-03-16 20:53:06,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-16 20:53:06,890 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2025-03-16 20:53:06,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 20:53:06,900 INFO L225 Difference]: With dead ends: 7244 [2025-03-16 20:53:06,901 INFO L226 Difference]: Without dead ends: 3751 [2025-03-16 20:53:06,905 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-16 20:53:06,907 INFO L435 NwaCegarLoop]: 4610 mSDtfsCounter, 0 mSDsluCounter, 9212 mSDsCounter, 0 mSdLazyCounter, 2731 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13822 SdHoareTripleChecker+Invalid, 2731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-03-16 20:53:06,908 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13822 Invalid, 2731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2731 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-03-16 20:53:06,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3751 states. [2025-03-16 20:53:06,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3751 to 3751. [2025-03-16 20:53:06,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3751 states, 3750 states have (on average 1.5037333333333334) internal successors, (5639), 3750 states have internal predecessors, (5639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 20:53:06,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3751 states to 3751 states and 5639 transitions. [2025-03-16 20:53:06,962 INFO L78 Accepts]: Start accepts. Automaton has 3751 states and 5639 transitions. Word has length 141 [2025-03-16 20:53:06,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 20:53:06,963 INFO L471 AbstractCegarLoop]: Abstraction has 3751 states and 5639 transitions. [2025-03-16 20:53:06,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 20:53:06,963 INFO L276 IsEmpty]: Start isEmpty. Operand 3751 states and 5639 transitions. [2025-03-16 20:53:06,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2025-03-16 20:53:06,966 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 20:53:06,966 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 20:53:06,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-16 20:53:06,967 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 20:53:06,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 20:53:06,967 INFO L85 PathProgramCache]: Analyzing trace with hash 743521067, now seen corresponding path program 1 times [2025-03-16 20:53:06,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 20:53:06,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392615450] [2025-03-16 20:53:06,968 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 20:53:06,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 20:53:07,012 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-03-16 20:53:07,028 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-03-16 20:53:07,030 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 20:53:07,030 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 20:53:07,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 20:53:07,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 20:53:07,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392615450] [2025-03-16 20:53:07,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392615450] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 20:53:07,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 20:53:07,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-16 20:53:07,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912091967] [2025-03-16 20:53:07,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 20:53:07,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-16 20:53:07,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 20:53:07,191 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-16 20:53:07,191 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-16 20:53:07,191 INFO L87 Difference]: Start difference. First operand 3751 states and 5639 transitions. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 20:53:08,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 20:53:08,324 INFO L93 Difference]: Finished difference Result 7248 states and 10899 transitions. [2025-03-16 20:53:08,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-16 20:53:08,328 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 142 [2025-03-16 20:53:08,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 20:53:08,337 INFO L225 Difference]: With dead ends: 7248 [2025-03-16 20:53:08,337 INFO L226 Difference]: Without dead ends: 3753 [2025-03-16 20:53:08,341 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-16 20:53:08,342 INFO L435 NwaCegarLoop]: 4610 mSDtfsCounter, 0 mSDsluCounter, 9207 mSDsCounter, 0 mSdLazyCounter, 2736 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13817 SdHoareTripleChecker+Invalid, 2736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-03-16 20:53:08,342 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13817 Invalid, 2736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2736 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-03-16 20:53:08,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3753 states. [2025-03-16 20:53:08,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3753 to 3753. [2025-03-16 20:53:08,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3753 states, 3752 states have (on average 1.5034648187633262) internal successors, (5641), 3752 states have internal predecessors, (5641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 20:53:08,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3753 states to 3753 states and 5641 transitions. [2025-03-16 20:53:08,391 INFO L78 Accepts]: Start accepts. Automaton has 3753 states and 5641 transitions. Word has length 142 [2025-03-16 20:53:08,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 20:53:08,392 INFO L471 AbstractCegarLoop]: Abstraction has 3753 states and 5641 transitions. [2025-03-16 20:53:08,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 20:53:08,392 INFO L276 IsEmpty]: Start isEmpty. Operand 3753 states and 5641 transitions. [2025-03-16 20:53:08,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2025-03-16 20:53:08,393 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 20:53:08,393 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 20:53:08,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-16 20:53:08,393 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 20:53:08,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 20:53:08,394 INFO L85 PathProgramCache]: Analyzing trace with hash -832282247, now seen corresponding path program 1 times [2025-03-16 20:53:08,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 20:53:08,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638334305] [2025-03-16 20:53:08,394 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 20:53:08,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 20:53:08,433 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-03-16 20:53:08,510 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-03-16 20:53:08,511 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 20:53:08,512 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 20:53:08,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 20:53:08,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 20:53:08,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638334305] [2025-03-16 20:53:08,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638334305] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 20:53:08,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 20:53:08,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-16 20:53:08,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3888305] [2025-03-16 20:53:08,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 20:53:08,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-16 20:53:08,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 20:53:08,718 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-16 20:53:08,718 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-16 20:53:08,719 INFO L87 Difference]: Start difference. First operand 3753 states and 5641 transitions. Second operand has 5 states, 5 states have (on average 28.6) internal successors, (143), 4 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 20:53:11,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 20:53:11,319 INFO L93 Difference]: Finished difference Result 7248 states and 10898 transitions. [2025-03-16 20:53:11,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-16 20:53:11,319 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 4 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 143 [2025-03-16 20:53:11,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 20:53:11,327 INFO L225 Difference]: With dead ends: 7248 [2025-03-16 20:53:11,328 INFO L226 Difference]: Without dead ends: 3751 [2025-03-16 20:53:11,331 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-16 20:53:11,332 INFO L435 NwaCegarLoop]: 3599 mSDtfsCounter, 5386 mSDsluCounter, 7188 mSDsCounter, 0 mSdLazyCounter, 5752 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5386 SdHoareTripleChecker+Valid, 10787 SdHoareTripleChecker+Invalid, 5753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2025-03-16 20:53:11,333 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5386 Valid, 10787 Invalid, 5753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5752 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2025-03-16 20:53:11,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3751 states. [2025-03-16 20:53:11,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3751 to 3751. [2025-03-16 20:53:11,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3751 states, 3750 states have (on average 1.5032) internal successors, (5637), 3750 states have internal predecessors, (5637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 20:53:11,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3751 states to 3751 states and 5637 transitions. [2025-03-16 20:53:11,388 INFO L78 Accepts]: Start accepts. Automaton has 3751 states and 5637 transitions. Word has length 143 [2025-03-16 20:53:11,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 20:53:11,389 INFO L471 AbstractCegarLoop]: Abstraction has 3751 states and 5637 transitions. [2025-03-16 20:53:11,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 4 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 20:53:11,389 INFO L276 IsEmpty]: Start isEmpty. Operand 3751 states and 5637 transitions. [2025-03-16 20:53:11,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2025-03-16 20:53:11,390 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 20:53:11,390 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 20:53:11,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-16 20:53:11,390 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 20:53:11,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 20:53:11,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1540409038, now seen corresponding path program 1 times [2025-03-16 20:53:11,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 20:53:11,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560570420] [2025-03-16 20:53:11,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 20:53:11,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 20:53:11,432 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-03-16 20:53:11,487 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-03-16 20:53:11,488 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 20:53:11,488 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-16 20:53:11,488 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-16 20:53:11,512 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-03-16 20:53:11,571 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-03-16 20:53:11,572 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 20:53:11,572 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-16 20:53:11,651 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-16 20:53:11,652 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-16 20:53:11,652 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-16 20:53:11,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-16 20:53:11,656 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-03-16 20:53:11,734 WARN L310 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2025-03-16 20:53:11,757 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-16 20:53:11,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 08:53:11 BoogieIcfgContainer [2025-03-16 20:53:11,760 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-16 20:53:11,761 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-16 20:53:11,761 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-16 20:53:11,761 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-16 20:53:11,761 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 08:52:57" (3/4) ... [2025-03-16 20:53:11,763 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-16 20:53:11,763 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-16 20:53:11,764 INFO L158 Benchmark]: Toolchain (without parser) took 28367.76ms. Allocated memory was 167.8MB in the beginning and 3.2GB in the end (delta: 3.0GB). Free memory was 117.9MB in the beginning and 2.6GB in the end (delta: -2.4GB). Peak memory consumption was 570.4MB. Max. memory is 16.1GB. [2025-03-16 20:53:11,764 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 201.3MB. Free memory is still 115.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 20:53:11,764 INFO L158 Benchmark]: CACSL2BoogieTranslator took 731.37ms. Allocated memory was 167.8MB in the beginning and 176.2MB in the end (delta: 8.4MB). Free memory was 117.9MB in the beginning and 69.9MB in the end (delta: 48.0MB). Peak memory consumption was 124.2MB. Max. memory is 16.1GB. [2025-03-16 20:53:11,765 INFO L158 Benchmark]: Boogie Procedure Inliner took 688.40ms. Allocated memory was 176.2MB in the beginning and 528.5MB in the end (delta: 352.3MB). Free memory was 69.9MB in the beginning and 289.3MB in the end (delta: -219.4MB). Peak memory consumption was 214.5MB. Max. memory is 16.1GB. [2025-03-16 20:53:11,766 INFO L158 Benchmark]: Boogie Preprocessor took 786.94ms. Allocated memory was 528.5MB in the beginning and 1.6GB in the end (delta: 1.1GB). Free memory was 289.3MB in the beginning and 1.3GB in the end (delta: -1.0GB). Peak memory consumption was 99.2MB. Max. memory is 16.1GB. [2025-03-16 20:53:11,766 INFO L158 Benchmark]: IcfgBuilder took 11633.41ms. Allocated memory was 1.6GB in the beginning and 3.2GB in the end (delta: 1.6GB). Free memory was 1.3GB in the beginning and 2.7GB in the end (delta: -1.4GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2025-03-16 20:53:11,767 INFO L158 Benchmark]: TraceAbstraction took 14520.17ms. Allocated memory is still 3.2GB. Free memory was 2.7GB in the beginning and 2.6GB in the end (delta: 186.2MB). Peak memory consumption was 186.2MB. Max. memory is 16.1GB. [2025-03-16 20:53:11,767 INFO L158 Benchmark]: Witness Printer took 2.79ms. Allocated memory is still 3.2GB. Free memory was 2.6GB in the beginning and 2.6GB in the end (delta: 181.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-16 20:53:11,769 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 201.3MB. Free memory is still 115.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 731.37ms. Allocated memory was 167.8MB in the beginning and 176.2MB in the end (delta: 8.4MB). Free memory was 117.9MB in the beginning and 69.9MB in the end (delta: 48.0MB). Peak memory consumption was 124.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 688.40ms. Allocated memory was 176.2MB in the beginning and 528.5MB in the end (delta: 352.3MB). Free memory was 69.9MB in the beginning and 289.3MB in the end (delta: -219.4MB). Peak memory consumption was 214.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 786.94ms. Allocated memory was 528.5MB in the beginning and 1.6GB in the end (delta: 1.1GB). Free memory was 289.3MB in the beginning and 1.3GB in the end (delta: -1.0GB). Peak memory consumption was 99.2MB. Max. memory is 16.1GB. * IcfgBuilder took 11633.41ms. Allocated memory was 1.6GB in the beginning and 3.2GB in the end (delta: 1.6GB). Free memory was 1.3GB in the beginning and 2.7GB in the end (delta: -1.4GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. * TraceAbstraction took 14520.17ms. Allocated memory is still 3.2GB. Free memory was 2.7GB in the beginning and 2.6GB in the end (delta: 186.2MB). Peak memory consumption was 186.2MB. Max. memory is 16.1GB. * Witness Printer took 2.79ms. Allocated memory is still 3.2GB. Free memory was 2.6GB in the beginning and 2.6GB in the end (delta: 181.5kB). 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 327, overapproximation of bitwiseAnd at line 329. 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_32 = 0; [L40] const SORT_4 var_95 = 1; [L41] const SORT_4 var_96 = 0; [L42] const SORT_2 var_111 = 1; [L43] const SORT_3 var_113 = 0; [L44] const SORT_4 var_116 = 6; [L45] const SORT_2 var_126 = 0; [L46] const SORT_4 var_239 = 2; [L47] const SORT_4 var_277 = 3; [L48] const SORT_4 var_315 = 4; [L49] const SORT_4 var_353 = 5; [L50] const SORT_2 var_566 = 5; [L51] const SORT_2 var_576 = 2; [L52] const SORT_2 var_578 = 3; [L53] const SORT_2 var_580 = 4; [L55] SORT_1 input_112; [L56] SORT_1 input_120; [L57] SORT_1 input_127; [L58] SORT_1 input_133; [L59] SORT_1 input_139; [L60] SORT_1 input_145; [L61] SORT_1 input_151; [L62] SORT_1 input_157; [L63] SORT_1 input_163; [L64] SORT_1 input_169; [L65] SORT_1 input_175; [L66] SORT_1 input_181; [L67] SORT_1 input_391; [L68] SORT_1 input_395; [L69] SORT_1 input_398; [L70] SORT_1 input_399; [L71] SORT_1 input_400; [L72] SORT_1 input_401; [L73] SORT_1 input_402; [L74] SORT_1 input_403; [L75] SORT_1 input_404; [L76] SORT_1 input_405; [L77] SORT_1 input_406; [L78] SORT_1 input_407; [L79] SORT_1 input_421; [L80] SORT_1 input_427; [L81] SORT_1 input_433; [L82] SORT_1 input_439; [L83] SORT_1 input_445; [L84] SORT_1 input_451; [L85] SORT_1 input_466; [L86] SORT_1 input_484; [L87] SORT_1 input_502; [L88] SORT_1 input_520; [L89] SORT_1 input_538; [L90] SORT_1 input_556; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_32=0, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_5=0, var_95=1, var_96=0] [L92] SORT_2 state_6 = __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, msb_SORT_4=2147483648, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_32=0, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_5=0, var_95=1, var_96=0] [L93] SORT_2 state_8 = __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, msb_SORT_4=2147483648, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_32=0, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_5=0, var_95=1, var_96=0] [L94] SORT_2 state_10 = __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, msb_SORT_4=2147483648, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_32=0, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_5=0, var_95=1, var_96=0] [L95] SORT_2 state_12 = __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, msb_SORT_4=2147483648, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_32=0, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_5=0, var_95=1, var_96=0] [L96] SORT_2 state_14 = __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, msb_SORT_4=2147483648, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_32=0, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_5=0, var_95=1, var_96=0] [L97] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_32=0, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_5=0, var_95=1, var_96=0] [L98] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_32=0, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_5=0, var_95=1, var_96=0] [L99] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_32=0, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_5=0, var_95=1, var_96=0] [L100] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_32=0, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_5=0, var_95=1, var_96=0] [L101] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L102] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_32=0, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_5=0, var_95=1, var_96=0] [L102] SORT_2 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L103] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_32=0, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_5=0, var_95=1, var_96=0] [L103] SORT_2 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L104] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_32=0, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_5=0, var_95=1, var_96=0] [L104] SORT_2 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_32=0, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_5=0, var_95=1, var_96=0] [L105] SORT_1 state_33 = __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, msb_SORT_4=2147483648, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_32=0, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_5=0, var_95=1, var_96=0] [L106] SORT_1 state_35 = __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, msb_SORT_4=2147483648, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_32=0, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_5=0, var_95=1, var_96=0] [L107] SORT_1 state_37 = __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, msb_SORT_4=2147483648, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_32=0, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_5=0, var_95=1, var_96=0] [L108] SORT_1 state_39 = __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, msb_SORT_4=2147483648, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_32=0, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_5=0, var_95=1, var_96=0] [L109] SORT_1 state_41 = __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, msb_SORT_4=2147483648, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_32=0, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_5=0, var_95=1, var_96=0] [L110] SORT_1 state_43 = __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, msb_SORT_4=2147483648, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_32=0, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_5=0, var_95=1, var_96=0] [L111] SORT_1 state_45 = __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, msb_SORT_4=2147483648, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_32=0, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_5=0, var_95=1, var_96=0] [L112] SORT_1 state_47 = __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, msb_SORT_4=2147483648, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_32=0, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_5=0, var_95=1, var_96=0] [L113] SORT_1 state_49 = __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, msb_SORT_4=2147483648, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_32=0, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_5=0, var_95=1, var_96=0] [L114] SORT_1 state_51 = __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, msb_SORT_4=2147483648, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_32=0, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_5=0, var_95=1, var_96=0] [L115] SORT_1 state_53 = __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, msb_SORT_4=2147483648, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_32=0, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_5=0, var_95=1, var_96=0] [L116] SORT_1 state_55 = __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, msb_SORT_4=2147483648, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_32=0, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_5=0, var_95=1, var_96=0] [L117] SORT_1 state_57 = __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, msb_SORT_4=2147483648, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_32=0, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_5=0, var_95=1, var_96=0] [L118] SORT_1 state_59 = __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, msb_SORT_4=2147483648, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_32=0, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_5=0, var_95=1, var_96=0] [L119] SORT_1 state_61 = __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, msb_SORT_4=2147483648, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_32=0, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_5=0, var_95=1, var_96=0] [L120] SORT_1 state_63 = __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, msb_SORT_4=2147483648, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_32=0, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_5=0, var_95=1, var_96=0] [L121] SORT_1 state_65 = __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, msb_SORT_4=2147483648, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_32=0, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_5=0, var_95=1, var_96=0] [L122] SORT_1 state_67 = __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, msb_SORT_4=2147483648, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_32=0, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_5=0, var_95=1, var_96=0] [L123] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L124] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_32=0, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_5=0, var_95=1, var_96=0] [L124] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L125] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_32=0, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_5=0, var_95=1, var_96=0] [L125] SORT_1 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L126] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_32=0, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_5=0, var_95=1, var_96=0] [L126] SORT_1 state_75 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L127] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_32=0, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_5=0, var_95=1, var_96=0] [L127] SORT_1 state_77 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L128] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_32=0, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_5=0, var_95=1, var_96=0] [L128] SORT_1 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L129] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_32=0, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_5=0, var_95=1, var_96=0] [L129] SORT_1 state_81 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L130] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_32=0, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_5=0, var_95=1, var_96=0] [L130] SORT_1 state_83 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L131] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_32=0, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_5=0, var_95=1, var_96=0] [L131] SORT_1 state_85 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L132] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_32=0, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_5=0, var_95=1, var_96=0] [L132] SORT_1 state_87 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L133] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_32=0, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_5=0, var_95=1, var_96=0] [L133] SORT_1 state_89 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L134] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_32=0, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_5=0, var_95=1, var_96=0] [L134] SORT_1 state_91 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L135] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_32=0, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_5=0, var_95=1, var_96=0] [L135] SORT_1 state_93 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L137] SORT_2 init_7_arg_1 = var_5; [L138] state_6 = init_7_arg_1 [L139] SORT_2 init_9_arg_1 = var_5; [L140] state_8 = init_9_arg_1 [L141] SORT_2 init_11_arg_1 = var_5; [L142] state_10 = init_11_arg_1 [L143] SORT_2 init_13_arg_1 = var_5; [L144] state_12 = init_13_arg_1 [L145] SORT_2 init_15_arg_1 = var_5; [L146] state_14 = init_15_arg_1 [L147] SORT_2 init_17_arg_1 = var_5; [L148] state_16 = init_17_arg_1 [L149] SORT_2 init_19_arg_1 = var_5; [L150] state_18 = init_19_arg_1 [L151] SORT_2 init_21_arg_1 = var_5; [L152] state_20 = init_21_arg_1 [L153] SORT_2 init_23_arg_1 = var_5; [L154] state_22 = init_23_arg_1 [L155] SORT_2 init_25_arg_1 = var_5; [L156] state_24 = init_25_arg_1 [L157] SORT_2 init_27_arg_1 = var_5; [L158] state_26 = init_27_arg_1 [L159] SORT_2 init_29_arg_1 = var_5; [L160] state_28 = init_29_arg_1 [L161] SORT_2 init_31_arg_1 = var_5; [L162] state_30 = init_31_arg_1 [L163] SORT_1 init_34_arg_1 = var_32; [L164] state_33 = init_34_arg_1 [L165] SORT_1 init_36_arg_1 = var_32; [L166] state_35 = init_36_arg_1 [L167] SORT_1 init_38_arg_1 = var_32; [L168] state_37 = init_38_arg_1 [L169] SORT_1 init_40_arg_1 = var_32; [L170] state_39 = init_40_arg_1 [L171] SORT_1 init_42_arg_1 = var_32; [L172] state_41 = init_42_arg_1 [L173] SORT_1 init_44_arg_1 = var_32; [L174] state_43 = init_44_arg_1 [L175] SORT_1 init_46_arg_1 = var_32; [L176] state_45 = init_46_arg_1 [L177] SORT_1 init_48_arg_1 = var_32; [L178] state_47 = init_48_arg_1 [L179] SORT_1 init_50_arg_1 = var_32; [L180] state_49 = init_50_arg_1 [L181] SORT_1 init_52_arg_1 = var_32; [L182] state_51 = init_52_arg_1 [L183] SORT_1 init_54_arg_1 = var_32; [L184] state_53 = init_54_arg_1 [L185] SORT_1 init_56_arg_1 = var_32; [L186] state_55 = init_56_arg_1 [L187] SORT_1 init_58_arg_1 = var_32; [L188] state_57 = init_58_arg_1 [L189] SORT_1 init_60_arg_1 = var_32; [L190] state_59 = init_60_arg_1 [L191] SORT_1 init_62_arg_1 = var_32; [L192] state_61 = init_62_arg_1 [L193] SORT_1 init_64_arg_1 = var_32; [L194] state_63 = init_64_arg_1 [L195] SORT_1 init_66_arg_1 = var_32; [L196] state_65 = init_66_arg_1 [L197] SORT_1 init_68_arg_1 = var_32; [L198] state_67 = init_68_arg_1 [L199] SORT_1 init_70_arg_1 = var_32; [L200] state_69 = init_70_arg_1 [L201] SORT_1 init_72_arg_1 = var_32; [L202] state_71 = init_72_arg_1 [L203] SORT_1 init_74_arg_1 = var_32; [L204] state_73 = init_74_arg_1 [L205] SORT_1 init_76_arg_1 = var_32; [L206] state_75 = init_76_arg_1 [L207] SORT_1 init_78_arg_1 = var_32; [L208] state_77 = init_78_arg_1 [L209] SORT_1 init_80_arg_1 = var_32; [L210] state_79 = init_80_arg_1 [L211] SORT_1 init_82_arg_1 = var_32; [L212] state_81 = init_82_arg_1 [L213] SORT_1 init_84_arg_1 = var_32; [L214] state_83 = init_84_arg_1 [L215] SORT_1 init_86_arg_1 = var_32; [L216] state_85 = init_86_arg_1 [L217] SORT_1 init_88_arg_1 = var_32; [L218] state_87 = init_88_arg_1 [L219] SORT_1 init_90_arg_1 = var_32; [L220] state_89 = init_90_arg_1 [L221] SORT_1 init_92_arg_1 = var_32; [L222] state_91 = init_92_arg_1 [L223] SORT_1 init_94_arg_1 = var_32; [L224] state_93 = init_94_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, state_91=0, state_93=0, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_95=1, var_96=0] [L227] input_112 = __VERIFIER_nondet_uchar() [L228] input_120 = __VERIFIER_nondet_uchar() [L229] input_127 = __VERIFIER_nondet_uchar() [L230] input_133 = __VERIFIER_nondet_uchar() [L231] input_139 = __VERIFIER_nondet_uchar() [L232] input_145 = __VERIFIER_nondet_uchar() [L233] input_151 = __VERIFIER_nondet_uchar() [L234] input_157 = __VERIFIER_nondet_uchar() [L235] input_163 = __VERIFIER_nondet_uchar() [L236] input_169 = __VERIFIER_nondet_uchar() [L237] input_175 = __VERIFIER_nondet_uchar() [L238] input_181 = __VERIFIER_nondet_uchar() [L239] input_391 = __VERIFIER_nondet_uchar() [L240] EXPR input_391 & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, state_91=0, state_93=0, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_95=1, var_96=0] [L240] input_391 = input_391 & mask_SORT_1 [L241] input_395 = __VERIFIER_nondet_uchar() [L242] EXPR input_395 & mask_SORT_1 VAL [input_391=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, state_91=0, state_93=0, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_95=1, var_96=0] [L242] input_395 = input_395 & mask_SORT_1 [L243] input_398 = __VERIFIER_nondet_uchar() [L244] EXPR input_398 & mask_SORT_1 VAL [input_391=0, input_395=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, state_91=0, state_93=0, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_95=1, var_96=0] [L244] input_398 = input_398 & mask_SORT_1 [L245] input_399 = __VERIFIER_nondet_uchar() [L246] EXPR input_399 & mask_SORT_1 VAL [input_391=0, input_395=0, input_398=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, state_91=0, state_93=0, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_95=1, var_96=0] [L246] input_399 = input_399 & mask_SORT_1 [L247] input_400 = __VERIFIER_nondet_uchar() [L248] EXPR input_400 & mask_SORT_1 VAL [input_391=0, input_395=0, input_398=0, input_399=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, state_91=0, state_93=0, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_95=1, var_96=0] [L248] input_400 = input_400 & mask_SORT_1 [L249] input_401 = __VERIFIER_nondet_uchar() [L250] EXPR input_401 & mask_SORT_1 VAL [input_391=0, input_395=0, input_398=0, input_399=0, input_400=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, state_91=0, state_93=0, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_95=1, var_96=0] [L250] input_401 = input_401 & mask_SORT_1 [L251] input_402 = __VERIFIER_nondet_uchar() [L252] EXPR input_402 & mask_SORT_1 VAL [input_391=0, input_395=0, input_398=0, input_399=0, input_400=0, input_401=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, state_91=0, state_93=0, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_95=1, var_96=0] [L252] input_402 = input_402 & mask_SORT_1 [L253] input_403 = __VERIFIER_nondet_uchar() [L254] EXPR input_403 & mask_SORT_1 VAL [input_391=0, input_395=0, input_398=0, input_399=0, input_400=0, input_401=0, input_402=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, state_91=0, state_93=0, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_95=1, var_96=0] [L254] input_403 = input_403 & mask_SORT_1 [L255] input_404 = __VERIFIER_nondet_uchar() [L256] EXPR input_404 & mask_SORT_1 VAL [input_391=0, input_395=0, input_398=0, input_399=0, input_400=0, input_401=0, input_402=0, input_403=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, state_91=0, state_93=0, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_95=1, var_96=0] [L256] input_404 = input_404 & mask_SORT_1 [L257] input_405 = __VERIFIER_nondet_uchar() [L258] EXPR input_405 & mask_SORT_1 VAL [input_391=0, input_395=0, input_398=0, input_399=0, input_400=0, input_401=0, input_402=0, input_403=0, input_404=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, state_91=0, state_93=0, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_95=1, var_96=0] [L258] input_405 = input_405 & mask_SORT_1 [L259] input_406 = __VERIFIER_nondet_uchar() [L260] EXPR input_406 & mask_SORT_1 VAL [input_391=0, input_395=0, input_398=0, input_399=0, input_400=0, input_401=0, input_402=0, input_403=0, input_404=0, input_405=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, state_91=0, state_93=0, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_95=1, var_96=0] [L260] input_406 = input_406 & mask_SORT_1 [L261] input_407 = __VERIFIER_nondet_uchar() [L262] EXPR input_407 & mask_SORT_1 VAL [input_391=0, input_395=0, input_398=0, input_399=0, input_400=0, input_401=0, input_402=0, input_403=0, input_404=0, input_405=0, input_406=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, state_91=0, state_93=0, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_95=1, var_96=0] [L262] input_407 = input_407 & mask_SORT_1 [L263] input_421 = __VERIFIER_nondet_uchar() [L264] EXPR input_421 & mask_SORT_1 VAL [input_391=0, input_395=0, input_398=0, input_399=0, input_400=0, input_401=0, input_402=0, input_403=0, input_404=0, input_405=0, input_406=0, input_407=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, state_91=0, state_93=0, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_95=1, var_96=0] [L264] input_421 = input_421 & mask_SORT_1 [L265] input_427 = __VERIFIER_nondet_uchar() [L266] EXPR input_427 & mask_SORT_1 VAL [input_391=0, input_395=0, input_398=0, input_399=0, input_400=0, input_401=0, input_402=0, input_403=0, input_404=0, input_405=0, input_406=0, input_407=0, input_421=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, state_91=0, state_93=0, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_95=1, var_96=0] [L266] input_427 = input_427 & mask_SORT_1 [L267] input_433 = __VERIFIER_nondet_uchar() [L268] EXPR input_433 & mask_SORT_1 VAL [input_391=0, input_395=0, input_398=0, input_399=0, input_400=0, input_401=0, input_402=0, input_403=0, input_404=0, input_405=0, input_406=0, input_407=0, input_421=0, input_427=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, state_91=0, state_93=0, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_95=1, var_96=0] [L268] input_433 = input_433 & mask_SORT_1 [L269] input_439 = __VERIFIER_nondet_uchar() [L270] EXPR input_439 & mask_SORT_1 VAL [input_391=0, input_395=0, input_398=0, input_399=0, input_400=0, input_401=0, input_402=0, input_403=0, input_404=0, input_405=0, input_406=0, input_407=0, input_421=0, input_427=0, input_433=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, state_91=0, state_93=0, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_95=1, var_96=0] [L270] input_439 = input_439 & mask_SORT_1 [L271] input_445 = __VERIFIER_nondet_uchar() [L272] EXPR input_445 & mask_SORT_1 VAL [input_391=0, input_395=0, input_398=0, input_399=0, input_400=0, input_401=0, input_402=0, input_403=0, input_404=0, input_405=0, input_406=0, input_407=0, input_421=0, input_427=0, input_433=0, input_439=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, state_91=0, state_93=0, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_95=1, var_96=0] [L272] input_445 = input_445 & mask_SORT_1 [L273] input_451 = __VERIFIER_nondet_uchar() [L274] EXPR input_451 & mask_SORT_1 VAL [input_391=0, input_395=0, input_398=0, input_399=0, input_400=0, input_401=0, input_402=0, input_403=0, input_404=0, input_405=0, input_406=0, input_407=0, input_421=0, input_427=0, input_433=0, input_439=0, input_445=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, state_91=0, state_93=0, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_95=1, var_96=0] [L274] input_451 = input_451 & mask_SORT_1 [L275] input_466 = __VERIFIER_nondet_uchar() [L276] input_484 = __VERIFIER_nondet_uchar() [L277] input_502 = __VERIFIER_nondet_uchar() [L278] input_520 = __VERIFIER_nondet_uchar() [L279] input_538 = __VERIFIER_nondet_uchar() [L280] input_556 = __VERIFIER_nondet_uchar() [L283] SORT_1 var_97_arg_0 = state_41; [L284] SORT_4 var_97_arg_1 = var_95; [L285] SORT_4 var_97_arg_2 = var_96; [L286] SORT_4 var_97 = var_97_arg_0 ? var_97_arg_1 : var_97_arg_2; [L287] SORT_1 var_98_arg_0 = state_51; [L288] SORT_4 var_98_arg_1 = var_95; [L289] SORT_4 var_98_arg_2 = var_96; [L290] SORT_4 var_98 = var_98_arg_0 ? var_98_arg_1 : var_98_arg_2; [L291] SORT_4 var_99_arg_0 = var_97; [L292] SORT_4 var_99_arg_1 = var_98; [L293] SORT_4 var_99 = var_99_arg_0 + var_99_arg_1; [L294] SORT_1 var_100_arg_0 = state_61; [L295] SORT_4 var_100_arg_1 = var_95; [L296] SORT_4 var_100_arg_2 = var_96; [L297] SORT_4 var_100 = var_100_arg_0 ? var_100_arg_1 : var_100_arg_2; [L298] SORT_4 var_101_arg_0 = var_99; [L299] SORT_4 var_101_arg_1 = var_100; [L300] SORT_4 var_101 = var_101_arg_0 + var_101_arg_1; [L301] SORT_1 var_102_arg_0 = state_71; [L302] SORT_4 var_102_arg_1 = var_95; [L303] SORT_4 var_102_arg_2 = var_96; [L304] SORT_4 var_102 = var_102_arg_0 ? var_102_arg_1 : var_102_arg_2; [L305] SORT_4 var_103_arg_0 = var_101; [L306] SORT_4 var_103_arg_1 = var_102; [L307] SORT_4 var_103 = var_103_arg_0 + var_103_arg_1; [L308] SORT_1 var_104_arg_0 = state_81; [L309] SORT_4 var_104_arg_1 = var_95; [L310] SORT_4 var_104_arg_2 = var_96; [L311] SORT_4 var_104 = var_104_arg_0 ? var_104_arg_1 : var_104_arg_2; [L312] SORT_4 var_105_arg_0 = var_103; [L313] SORT_4 var_105_arg_1 = var_104; [L314] SORT_4 var_105 = var_105_arg_0 + var_105_arg_1; [L315] SORT_1 var_106_arg_0 = state_91; [L316] SORT_4 var_106_arg_1 = var_95; [L317] SORT_4 var_106_arg_2 = var_96; [L318] SORT_4 var_106 = var_106_arg_0 ? var_106_arg_1 : var_106_arg_2; [L319] SORT_4 var_107_arg_0 = var_105; [L320] SORT_4 var_107_arg_1 = var_106; [L321] SORT_4 var_107 = var_107_arg_0 + var_107_arg_1; VAL [input_391=0, input_395=0, input_398=0, input_399=0, input_400=0, input_401=0, input_402=0, input_403=0, input_404=0, input_405=0, input_406=0, input_407=0, input_421=0, input_427=0, input_433=0, input_439=0, input_445=0, input_451=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, state_91=0, state_93=0, var_107=0, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_95=1, var_96=0] [L322] EXPR var_107 & mask_SORT_4 VAL [input_391=0, input_395=0, input_398=0, input_399=0, input_400=0, input_401=0, input_402=0, input_403=0, input_404=0, input_405=0, input_406=0, input_407=0, input_421=0, input_427=0, input_433=0, input_439=0, input_445=0, input_451=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, state_91=0, state_93=0, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_95=1, var_96=0] [L322] var_107 = var_107 & mask_SORT_4 [L323] SORT_4 var_108_arg_0 = var_107; [L324] SORT_4 var_108_arg_1 = var_95; [L325] SORT_1 var_108 = var_108_arg_0 <= var_108_arg_1; [L326] SORT_1 var_109_arg_0 = ~state_93; VAL [input_391=0, input_395=0, input_398=0, input_399=0, input_400=0, input_401=0, input_402=0, input_403=0, input_404=0, input_405=0, input_406=0, input_407=0, input_421=0, input_427=0, input_433=0, input_439=0, input_445=0, input_451=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, state_91=0, state_93=0, var_108=1, var_109_arg_0=-1, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_95=1, var_96=0] [L327] EXPR var_109_arg_0 & mask_SORT_1 VAL [input_391=0, input_395=0, input_398=0, input_399=0, input_400=0, input_401=0, input_402=0, input_403=0, input_404=0, input_405=0, input_406=0, input_407=0, input_421=0, input_427=0, input_433=0, input_439=0, input_445=0, input_451=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, state_91=0, state_93=0, var_108=1, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_95=1, var_96=0] [L327] var_109_arg_0 = var_109_arg_0 & mask_SORT_1 [L328] SORT_1 var_109_arg_1 = ~var_108; VAL [input_391=0, input_395=0, input_398=0, input_399=0, input_400=0, input_401=0, input_402=0, input_403=0, input_404=0, input_405=0, input_406=0, input_407=0, input_421=0, input_427=0, input_433=0, input_439=0, input_445=0, input_451=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, state_91=0, state_93=0, var_109_arg_0=1, var_109_arg_1=-2, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_95=1, var_96=0] [L329] EXPR var_109_arg_1 & mask_SORT_1 VAL [input_391=0, input_395=0, input_398=0, input_399=0, input_400=0, input_401=0, input_402=0, input_403=0, input_404=0, input_405=0, input_406=0, input_407=0, input_421=0, input_427=0, input_433=0, input_439=0, input_445=0, input_451=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, state_91=0, state_93=0, var_109_arg_0=1, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_95=1, var_96=0] [L329] var_109_arg_1 = var_109_arg_1 & mask_SORT_1 [L330] EXPR var_109_arg_0 & var_109_arg_1 VAL [input_391=0, input_395=0, input_398=0, input_399=0, input_400=0, input_401=0, input_402=0, input_403=0, input_404=0, input_405=0, input_406=0, input_407=0, input_421=0, input_427=0, input_433=0, input_439=0, input_445=0, input_451=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, state_91=0, state_93=0, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_95=1, var_96=0] [L330] SORT_1 var_109 = var_109_arg_0 & var_109_arg_1; [L331] EXPR var_109 & mask_SORT_1 VAL [input_391=0, input_395=0, input_398=0, input_399=0, input_400=0, input_401=0, input_402=0, input_403=0, input_404=0, input_405=0, input_406=0, input_407=0, input_421=0, input_427=0, input_433=0, input_439=0, input_445=0, input_451=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, state_91=0, state_93=0, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_95=1, var_96=0] [L331] var_109 = var_109 & mask_SORT_1 [L332] SORT_1 bad_110_arg_0 = var_109; [L333] CALL __VERIFIER_assert(!(bad_110_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 3670 locations, 5521 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.4s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 11.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10758 SdHoareTripleChecker+Valid, 10.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10758 mSDsluCounter, 66544 SdHoareTripleChecker+Invalid, 8.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 45508 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21461 IncrementalHoareTripleChecker+Invalid, 21463 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 21036 mSDtfsCounter, 21461 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3753occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 5 MinimizatonAttempts, 3400 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 848 NumberOfCodeBlocks, 848 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 699 ConstructedInterpolants, 0 QuantifiedInterpolants, 1788 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-03-16 20:53:11,836 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.anderson.7.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 de227c051b8f49d3a151b019043adc8d3b2b410c23383c7a1c8f8a9dd58aa98d --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-16 20:53:13,901 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-16 20:53:13,996 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2025-03-16 20:53:14,005 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-16 20:53:14,005 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-16 20:53:14,027 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-16 20:53:14,028 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-16 20:53:14,028 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-16 20:53:14,028 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-16 20:53:14,028 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-16 20:53:14,029 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-16 20:53:14,029 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-16 20:53:14,029 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-16 20:53:14,030 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-16 20:53:14,030 INFO L153 SettingsManager]: * Use SBE=true [2025-03-16 20:53:14,030 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-16 20:53:14,030 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-16 20:53:14,030 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-16 20:53:14,030 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-16 20:53:14,030 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-16 20:53:14,030 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-16 20:53:14,030 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-16 20:53:14,031 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-16 20:53:14,031 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-16 20:53:14,031 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-16 20:53:14,031 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-16 20:53:14,031 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-16 20:53:14,031 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-16 20:53:14,031 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-16 20:53:14,031 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-16 20:53:14,031 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-16 20:53:14,032 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 20:53:14,032 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-16 20:53:14,032 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-16 20:53:14,032 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-16 20:53:14,032 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-16 20:53:14,032 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-16 20:53:14,032 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-16 20:53:14,032 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-16 20:53:14,032 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-16 20:53:14,032 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-16 20:53:14,032 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-16 20:53:14,032 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 -> de227c051b8f49d3a151b019043adc8d3b2b410c23383c7a1c8f8a9dd58aa98d [2025-03-16 20:53:14,261 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-16 20:53:14,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-16 20:53:14,268 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-16 20:53:14,268 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-16 20:53:14,270 INFO L274 PluginConnector]: CDTParser initialized [2025-03-16 20:53:14,271 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.7.prop1-func-interl.c [2025-03-16 20:53:15,412 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01d59fae7/5bae6ee310ec4be7a4db8fa7846b1639/FLAG2f1dcba4a [2025-03-16 20:53:15,746 INFO L384 CDTParser]: Found 1 translation units. [2025-03-16 20:53:15,746 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.7.prop1-func-interl.c [2025-03-16 20:53:15,771 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01d59fae7/5bae6ee310ec4be7a4db8fa7846b1639/FLAG2f1dcba4a [2025-03-16 20:53:15,986 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01d59fae7/5bae6ee310ec4be7a4db8fa7846b1639 [2025-03-16 20:53:15,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-16 20:53:15,990 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-16 20:53:15,991 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-16 20:53:15,992 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-16 20:53:15,995 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-16 20:53:15,995 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 08:53:15" (1/1) ... [2025-03-16 20:53:15,996 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b356991 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:53:15, skipping insertion in model container [2025-03-16 20:53:15,996 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 08:53:15" (1/1) ... [2025-03-16 20:53:16,059 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-16 20:53:16,202 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.anderson.7.prop1-func-interl.c[1175,1188] [2025-03-16 20:53:16,499 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 20:53:16,508 INFO L200 MainTranslator]: Completed pre-run [2025-03-16 20:53:16,514 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.anderson.7.prop1-func-interl.c[1175,1188] [2025-03-16 20:53:16,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 20:53:16,657 INFO L204 MainTranslator]: Completed translation [2025-03-16 20:53:16,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:53:16 WrapperNode [2025-03-16 20:53:16,658 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-16 20:53:16,659 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-16 20:53:16,659 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-16 20:53:16,660 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-16 20:53:16,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:53:16" (1/1) ... [2025-03-16 20:53:16,699 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:53:16" (1/1) ... [2025-03-16 20:53:16,817 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3316 [2025-03-16 20:53:16,817 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-16 20:53:16,818 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-16 20:53:16,818 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-16 20:53:16,818 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-16 20:53:16,825 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:53:16" (1/1) ... [2025-03-16 20:53:16,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:53:16" (1/1) ... [2025-03-16 20:53:16,848 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:53:16" (1/1) ... [2025-03-16 20:53:16,881 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-16 20:53:16,881 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:53:16" (1/1) ... [2025-03-16 20:53:16,881 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:53:16" (1/1) ... [2025-03-16 20:53:16,947 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:53:16" (1/1) ... [2025-03-16 20:53:16,953 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:53:16" (1/1) ... [2025-03-16 20:53:16,964 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:53:16" (1/1) ... [2025-03-16 20:53:16,973 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:53:16" (1/1) ... [2025-03-16 20:53:16,994 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-16 20:53:16,994 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-16 20:53:16,995 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-16 20:53:16,995 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-16 20:53:16,995 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:53:16" (1/1) ... [2025-03-16 20:53:16,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 20:53:17,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 20:53:17,021 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-16 20:53:17,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-16 20:53:17,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-16 20:53:17,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-16 20:53:17,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-16 20:53:17,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-16 20:53:17,578 INFO L256 CfgBuilder]: Building ICFG [2025-03-16 20:53:17,587 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-16 20:53:23,710 INFO L? ?]: Removed 135 outVars from TransFormulas that were not future-live. [2025-03-16 20:53:23,711 INFO L307 CfgBuilder]: Performing block encoding [2025-03-16 20:53:23,717 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-16 20:53:23,718 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-16 20:53:23,718 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 08:53:23 BoogieIcfgContainer [2025-03-16 20:53:23,719 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-16 20:53:23,720 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-16 20:53:23,720 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-16 20:53:23,724 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-16 20:53:23,724 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 08:53:15" (1/3) ... [2025-03-16 20:53:23,725 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17a0ef5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 08:53:23, skipping insertion in model container [2025-03-16 20:53:23,725 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:53:16" (2/3) ... [2025-03-16 20:53:23,725 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17a0ef5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 08:53:23, skipping insertion in model container [2025-03-16 20:53:23,726 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 08:53:23" (3/3) ... [2025-03-16 20:53:23,727 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.anderson.7.prop1-func-interl.c [2025-03-16 20:53:23,737 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-16 20:53:23,738 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.anderson.7.prop1-func-interl.c that has 1 procedures, 8 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-16 20:53:23,771 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-16 20:53:23,779 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;@4a09b329, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-16 20:53:23,779 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-16 20:53:23,781 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.5) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 20:53:23,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-03-16 20:53:23,784 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 20:53:23,785 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-03-16 20:53:23,785 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 20:53:23,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 20:53:23,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1137951, now seen corresponding path program 1 times [2025-03-16 20:53:23,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-16 20:53:23,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [669981746] [2025-03-16 20:53:23,799 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 20:53:23,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-16 20:53:23,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 20:53:23,801 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-16 20:53:23,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-16 20:53:24,245 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-16 20:53:24,276 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-16 20:53:24,276 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 20:53:24,276 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 20:53:24,289 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 58 conjuncts are in the unsatisfiable core [2025-03-16 20:53:24,327 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-16 20:53:24,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 20:53:24,998 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-16 20:53:24,999 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-16 20:53:24,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [669981746] [2025-03-16 20:53:25,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [669981746] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 20:53:25,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 20:53:25,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-16 20:53:25,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616139836] [2025-03-16 20:53:25,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 20:53:25,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-16 20:53:25,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-16 20:53:25,020 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-16 20:53:25,020 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-16 20:53:25,021 INFO L87 Difference]: Start difference. First operand has 8 states, 6 states have (on average 1.5) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 20:53:29,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.23s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-03-16 20:53:29,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 20:53:29,822 INFO L93 Difference]: Finished difference Result 16 states and 21 transitions. [2025-03-16 20:53:29,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-16 20:53:29,825 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2025-03-16 20:53:29,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 20:53:29,829 INFO L225 Difference]: With dead ends: 16 [2025-03-16 20:53:29,829 INFO L226 Difference]: Without dead ends: 9 [2025-03-16 20:53:29,831 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-16 20:53:29,834 INFO L435 NwaCegarLoop]: 3 mSDtfsCounter, 2 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2025-03-16 20:53:29,836 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 8 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2025-03-16 20:53:29,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2025-03-16 20:53:29,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2025-03-16 20:53:29,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 20:53:29,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2025-03-16 20:53:29,855 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2025-03-16 20:53:29,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 20:53:29,856 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2025-03-16 20:53:29,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 20:53:29,856 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2025-03-16 20:53:29,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-16 20:53:29,856 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 20:53:29,856 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2025-03-16 20:53:29,866 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-16 20:53:30,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-16 20:53:30,057 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 20:53:30,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 20:53:30,057 INFO L85 PathProgramCache]: Analyzing trace with hash -458170295, now seen corresponding path program 1 times [2025-03-16 20:53:30,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-16 20:53:30,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1313711118] [2025-03-16 20:53:30,059 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 20:53:30,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-16 20:53:30,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 20:53:30,063 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-16 20:53:30,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-16 20:53:30,600 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-16 20:53:31,214 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-16 20:53:31,214 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 20:53:31,214 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 20:53:31,333 INFO L256 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 81 conjuncts are in the unsatisfiable core [2025-03-16 20:53:31,351 INFO L279 TraceCheckSpWp]: Computing forward predicates...