./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.3.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed 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.mcs.3.prop1-func-interl.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 43a547173bc5737aef686ddf95649235e9f271c4122df2cd7418215b3adcee9e --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 09:01:43,473 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 09:01:43,536 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 09:01:43,542 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 09:01:43,543 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 09:01:43,564 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 09:01:43,566 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 09:01:43,566 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 09:01:43,566 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 09:01:43,566 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 09:01:43,566 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 09:01:43,566 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 09:01:43,567 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 09:01:43,567 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 09:01:43,567 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 09:01:43,567 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 09:01:43,567 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 09:01:43,568 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 09:01:43,568 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 09:01:43,568 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 09:01:43,568 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 09:01:43,568 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 09:01:43,569 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 09:01:43,569 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 09:01:43,569 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 09:01:43,569 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 09:01:43,569 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 09:01:43,569 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 09:01:43,569 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 09:01:43,569 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 09:01:43,569 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 09:01:43,569 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 09:01:43,569 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 09:01:43,569 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 09:01:43,570 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 09:01:43,570 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 09:01:43,570 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 09:01:43,570 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 09:01:43,570 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 09:01:43,570 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 09:01:43,570 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 -> 43a547173bc5737aef686ddf95649235e9f271c4122df2cd7418215b3adcee9e [2025-03-08 09:01:43,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 09:01:43,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 09:01:43,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 09:01:43,788 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 09:01:43,788 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 09:01:43,789 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.3.prop1-func-interl.c [2025-03-08 09:01:44,913 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbe27a1ce/b44a885870164e32beb4ad1d47089532/FLAG06650ea62 [2025-03-08 09:01:45,258 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 09:01:45,258 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.3.prop1-func-interl.c [2025-03-08 09:01:45,277 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbe27a1ce/b44a885870164e32beb4ad1d47089532/FLAG06650ea62 [2025-03-08 09:01:45,484 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbe27a1ce/b44a885870164e32beb4ad1d47089532 [2025-03-08 09:01:45,486 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 09:01:45,487 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 09:01:45,489 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 09:01:45,489 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 09:01:45,492 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 09:01:45,492 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:01:45" (1/1) ... [2025-03-08 09:01:45,493 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64970d9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:01:45, skipping insertion in model container [2025-03-08 09:01:45,493 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:01:45" (1/1) ... [2025-03-08 09:01:45,539 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 09:01:45,678 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.mcs.3.prop1-func-interl.c[1170,1183] [2025-03-08 09:01:46,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 09:01:46,023 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 09:01:46,034 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.mcs.3.prop1-func-interl.c[1170,1183] [2025-03-08 09:01:46,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 09:01:46,216 INFO L204 MainTranslator]: Completed translation [2025-03-08 09:01:46,217 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:01:46 WrapperNode [2025-03-08 09:01:46,217 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 09:01:46,218 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 09:01:46,218 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 09:01:46,218 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 09:01:46,222 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:01:46" (1/1) ... [2025-03-08 09:01:46,290 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:01:46" (1/1) ... [2025-03-08 09:01:47,073 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 10704 [2025-03-08 09:01:47,073 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 09:01:47,074 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 09:01:47,074 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 09:01:47,074 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 09:01:47,080 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:01:46" (1/1) ... [2025-03-08 09:01:47,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:01:46" (1/1) ... [2025-03-08 09:01:47,305 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:01:46" (1/1) ... [2025-03-08 09:01:47,610 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]. [2025-03-08 09:01:47,611 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:01:46" (1/1) ... [2025-03-08 09:01:47,612 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:01:46" (1/1) ... [2025-03-08 09:01:47,903 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:01:46" (1/1) ... [2025-03-08 09:01:47,935 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:01:46" (1/1) ... [2025-03-08 09:01:47,978 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:01:46" (1/1) ... [2025-03-08 09:01:48,020 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:01:46" (1/1) ... [2025-03-08 09:01:48,176 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 09:01:48,177 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 09:01:48,177 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 09:01:48,177 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 09:01:48,178 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:01:46" (1/1) ... [2025-03-08 09:01:48,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 09:01:48,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 09:01:48,201 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) [2025-03-08 09:01:48,203 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 [2025-03-08 09:01:48,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 09:01:48,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 09:01:48,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 09:01:48,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 09:01:48,754 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 09:01:48,755 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 09:02:01,562 INFO L? ?]: Removed 6076 outVars from TransFormulas that were not future-live. [2025-03-08 09:02:01,562 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 09:02:01,801 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 09:02:01,801 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 09:02:01,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:02:01 BoogieIcfgContainer [2025-03-08 09:02:01,802 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 09:02:01,803 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 09:02:01,803 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 09:02:01,806 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 09:02:01,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 09:01:45" (1/3) ... [2025-03-08 09:02:01,807 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ab94c7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:02:01, skipping insertion in model container [2025-03-08 09:02:01,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:01:46" (2/3) ... [2025-03-08 09:02:01,807 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ab94c7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:02:01, skipping insertion in model container [2025-03-08 09:02:01,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:02:01" (3/3) ... [2025-03-08 09:02:01,808 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mcs.3.prop1-func-interl.c [2025-03-08 09:02:01,819 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 09:02:01,820 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.mcs.3.prop1-func-interl.c that has 1 procedures, 3760 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 09:02:01,905 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 09:02:01,915 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;@37e8bd63, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 09:02:01,916 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 09:02:01,927 INFO L276 IsEmpty]: Start isEmpty. Operand has 3760 states, 3758 states have (on average 1.5010643959552954) internal successors, (5641), 3759 states have internal predecessors, (5641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 09:02:01,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2025-03-08 09:02:01,937 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 09:02:01,937 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 09:02:01,938 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 09:02:01,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 09:02:01,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1370790579, now seen corresponding path program 1 times [2025-03-08 09:02:01,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 09:02:01,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110771822] [2025-03-08 09:02:01,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 09:02:01,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 09:02:02,063 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 155 statements into 1 equivalence classes. [2025-03-08 09:02:02,169 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 155 of 155 statements. [2025-03-08 09:02:02,169 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 09:02:02,169 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 09:02:02,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 09:02:02,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 09:02:02,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110771822] [2025-03-08 09:02:02,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110771822] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 09:02:02,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 09:02:02,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-08 09:02:02,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167697201] [2025-03-08 09:02:02,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 09:02:02,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-08 09:02:02,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 09:02:02,833 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-08 09:02:02,833 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-08 09:02:02,841 INFO L87 Difference]: Start difference. First operand has 3760 states, 3758 states have (on average 1.5010643959552954) internal successors, (5641), 3759 states have internal predecessors, (5641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 09:02:04,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 09:02:04,504 INFO L93 Difference]: Finished difference Result 7301 states and 10957 transitions. [2025-03-08 09:02:04,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-08 09:02:04,505 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 155 [2025-03-08 09:02:04,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 09:02:04,527 INFO L225 Difference]: With dead ends: 7301 [2025-03-08 09:02:04,528 INFO L226 Difference]: Without dead ends: 3759 [2025-03-08 09:02:04,536 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 [2025-03-08 09:02:04,539 INFO L435 NwaCegarLoop]: 4700 mSDtfsCounter, 0 mSDsluCounter, 9395 mSDsCounter, 0 mSdLazyCounter, 2815 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14095 SdHoareTripleChecker+Invalid, 2815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-03-08 09:02:04,541 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14095 Invalid, 2815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2815 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-03-08 09:02:04,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3759 states. [2025-03-08 09:02:04,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3759 to 3759. [2025-03-08 09:02:04,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3759 states, 3758 states have (on average 1.5005321979776476) internal successors, (5639), 3758 states have internal predecessors, (5639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 09:02:04,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3759 states to 3759 states and 5639 transitions. [2025-03-08 09:02:04,669 INFO L78 Accepts]: Start accepts. Automaton has 3759 states and 5639 transitions. Word has length 155 [2025-03-08 09:02:04,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 09:02:04,671 INFO L471 AbstractCegarLoop]: Abstraction has 3759 states and 5639 transitions. [2025-03-08 09:02:04,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 09:02:04,671 INFO L276 IsEmpty]: Start isEmpty. Operand 3759 states and 5639 transitions. [2025-03-08 09:02:04,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2025-03-08 09:02:04,674 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 09:02:04,674 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 09:02:04,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 09:02:04,674 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 09:02:04,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 09:02:04,675 INFO L85 PathProgramCache]: Analyzing trace with hash -450479826, now seen corresponding path program 1 times [2025-03-08 09:02:04,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 09:02:04,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141280256] [2025-03-08 09:02:04,675 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 09:02:04,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 09:02:04,725 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 156 statements into 1 equivalence classes. [2025-03-08 09:02:04,756 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 156 of 156 statements. [2025-03-08 09:02:04,756 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 09:02:04,756 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 09:02:04,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 09:02:04,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 09:02:04,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141280256] [2025-03-08 09:02:04,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141280256] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 09:02:04,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 09:02:04,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-08 09:02:04,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833111748] [2025-03-08 09:02:04,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 09:02:04,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-08 09:02:04,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 09:02:04,973 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-08 09:02:04,973 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-08 09:02:04,974 INFO L87 Difference]: Start difference. First operand 3759 states and 5639 transitions. Second operand has 4 states, 4 states have (on average 39.0) internal successors, (156), 4 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 09:02:06,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 09:02:06,369 INFO L93 Difference]: Finished difference Result 7302 states and 10955 transitions. [2025-03-08 09:02:06,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-08 09:02:06,370 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.0) internal successors, (156), 4 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 156 [2025-03-08 09:02:06,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 09:02:06,381 INFO L225 Difference]: With dead ends: 7302 [2025-03-08 09:02:06,382 INFO L226 Difference]: Without dead ends: 3761 [2025-03-08 09:02:06,386 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 [2025-03-08 09:02:06,387 INFO L435 NwaCegarLoop]: 4700 mSDtfsCounter, 0 mSDsluCounter, 9392 mSDsCounter, 0 mSdLazyCounter, 2818 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14092 SdHoareTripleChecker+Invalid, 2818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-03-08 09:02:06,387 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14092 Invalid, 2818 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2818 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-03-08 09:02:06,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3761 states. [2025-03-08 09:02:06,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3761 to 3761. [2025-03-08 09:02:06,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3761 states, 3760 states have (on average 1.5002659574468085) internal successors, (5641), 3760 states have internal predecessors, (5641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 09:02:06,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3761 states to 3761 states and 5641 transitions. [2025-03-08 09:02:06,459 INFO L78 Accepts]: Start accepts. Automaton has 3761 states and 5641 transitions. Word has length 156 [2025-03-08 09:02:06,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 09:02:06,459 INFO L471 AbstractCegarLoop]: Abstraction has 3761 states and 5641 transitions. [2025-03-08 09:02:06,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.0) internal successors, (156), 4 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 09:02:06,460 INFO L276 IsEmpty]: Start isEmpty. Operand 3761 states and 5641 transitions. [2025-03-08 09:02:06,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2025-03-08 09:02:06,464 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 09:02:06,464 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 09:02:06,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 09:02:06,465 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 09:02:06,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 09:02:06,465 INFO L85 PathProgramCache]: Analyzing trace with hash 851542542, now seen corresponding path program 1 times [2025-03-08 09:02:06,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 09:02:06,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749569278] [2025-03-08 09:02:06,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 09:02:06,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 09:02:06,506 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 157 statements into 1 equivalence classes. [2025-03-08 09:02:06,525 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 157 of 157 statements. [2025-03-08 09:02:06,525 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 09:02:06,526 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 09:02:06,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 09:02:06,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 09:02:06,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749569278] [2025-03-08 09:02:06,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749569278] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 09:02:06,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 09:02:06,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-08 09:02:06,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939194765] [2025-03-08 09:02:06,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 09:02:06,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-08 09:02:06,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 09:02:06,724 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-08 09:02:06,724 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-08 09:02:06,724 INFO L87 Difference]: Start difference. First operand 3761 states and 5641 transitions. Second operand has 4 states, 4 states have (on average 39.25) internal successors, (157), 4 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 09:02:08,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 09:02:08,074 INFO L93 Difference]: Finished difference Result 7310 states and 10965 transitions. [2025-03-08 09:02:08,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-08 09:02:08,074 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 4 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 157 [2025-03-08 09:02:08,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 09:02:08,085 INFO L225 Difference]: With dead ends: 7310 [2025-03-08 09:02:08,086 INFO L226 Difference]: Without dead ends: 3767 [2025-03-08 09:02:08,091 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 [2025-03-08 09:02:08,094 INFO L435 NwaCegarLoop]: 4700 mSDtfsCounter, 4 mSDsluCounter, 9387 mSDsCounter, 0 mSdLazyCounter, 2823 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 14087 SdHoareTripleChecker+Invalid, 2823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2823 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-03-08 09:02:08,094 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 14087 Invalid, 2823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2823 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-03-08 09:02:08,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3767 states. [2025-03-08 09:02:08,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3767 to 3767. [2025-03-08 09:02:08,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3767 states, 3766 states have (on average 1.5) internal successors, (5649), 3766 states have internal predecessors, (5649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 09:02:08,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3767 states to 3767 states and 5649 transitions. [2025-03-08 09:02:08,157 INFO L78 Accepts]: Start accepts. Automaton has 3767 states and 5649 transitions. Word has length 157 [2025-03-08 09:02:08,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 09:02:08,158 INFO L471 AbstractCegarLoop]: Abstraction has 3767 states and 5649 transitions. [2025-03-08 09:02:08,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 4 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 09:02:08,158 INFO L276 IsEmpty]: Start isEmpty. Operand 3767 states and 5649 transitions. [2025-03-08 09:02:08,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2025-03-08 09:02:08,159 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 09:02:08,159 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 09:02:08,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 09:02:08,159 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 09:02:08,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 09:02:08,160 INFO L85 PathProgramCache]: Analyzing trace with hash -292903880, now seen corresponding path program 1 times [2025-03-08 09:02:08,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 09:02:08,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912461489] [2025-03-08 09:02:08,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 09:02:08,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 09:02:08,208 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-03-08 09:02:08,236 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-03-08 09:02:08,236 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 09:02:08,236 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 09:02:08,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 09:02:08,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 09:02:08,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912461489] [2025-03-08 09:02:08,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912461489] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 09:02:08,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 09:02:08,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 09:02:08,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192715780] [2025-03-08 09:02:08,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 09:02:08,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 09:02:08,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 09:02:08,423 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 09:02:08,424 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-08 09:02:08,424 INFO L87 Difference]: Start difference. First operand 3767 states and 5649 transitions. Second operand has 5 states, 5 states have (on average 31.6) internal successors, (158), 5 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 09:02:09,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 09:02:09,827 INFO L93 Difference]: Finished difference Result 7320 states and 10977 transitions. [2025-03-08 09:02:09,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-08 09:02:09,828 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 5 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 158 [2025-03-08 09:02:09,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 09:02:09,837 INFO L225 Difference]: With dead ends: 7320 [2025-03-08 09:02:09,837 INFO L226 Difference]: Without dead ends: 3771 [2025-03-08 09:02:09,841 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-08 09:02:09,842 INFO L435 NwaCegarLoop]: 4700 mSDtfsCounter, 0 mSDsluCounter, 14072 mSDsCounter, 0 mSdLazyCounter, 3775 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18772 SdHoareTripleChecker+Invalid, 3776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-03-08 09:02:09,842 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18772 Invalid, 3776 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3775 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-03-08 09:02:09,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3771 states. [2025-03-08 09:02:09,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3771 to 3767. [2025-03-08 09:02:09,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3767 states, 3766 states have (on average 1.5) internal successors, (5649), 3766 states have internal predecessors, (5649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 09:02:09,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3767 states to 3767 states and 5649 transitions. [2025-03-08 09:02:09,895 INFO L78 Accepts]: Start accepts. Automaton has 3767 states and 5649 transitions. Word has length 158 [2025-03-08 09:02:09,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 09:02:09,896 INFO L471 AbstractCegarLoop]: Abstraction has 3767 states and 5649 transitions. [2025-03-08 09:02:09,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 5 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 09:02:09,896 INFO L276 IsEmpty]: Start isEmpty. Operand 3767 states and 5649 transitions. [2025-03-08 09:02:09,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2025-03-08 09:02:09,897 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 09:02:09,897 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 09:02:09,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 09:02:09,897 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 09:02:09,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 09:02:09,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1398282857, now seen corresponding path program 1 times [2025-03-08 09:02:09,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 09:02:09,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971109186] [2025-03-08 09:02:09,898 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 09:02:09,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 09:02:09,937 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 159 statements into 1 equivalence classes. [2025-03-08 09:02:09,991 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 159 of 159 statements. [2025-03-08 09:02:09,992 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 09:02:09,992 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 09:02:10,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 09:02:10,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 09:02:10,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971109186] [2025-03-08 09:02:10,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971109186] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 09:02:10,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 09:02:10,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 09:02:10,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081023989] [2025-03-08 09:02:10,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 09:02:10,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 09:02:10,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 09:02:10,333 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 09:02:10,333 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 09:02:10,333 INFO L87 Difference]: Start difference. First operand 3767 states and 5649 transitions. Second operand has 5 states, 5 states have (on average 31.8) internal successors, (159), 5 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 09:02:13,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 09:02:13,841 INFO L93 Difference]: Finished difference Result 10849 states and 16271 transitions. [2025-03-08 09:02:13,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 09:02:13,841 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.8) internal successors, (159), 5 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 159 [2025-03-08 09:02:13,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 09:02:13,858 INFO L225 Difference]: With dead ends: 10849 [2025-03-08 09:02:13,858 INFO L226 Difference]: Without dead ends: 7300 [2025-03-08 09:02:13,863 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 [2025-03-08 09:02:13,864 INFO L435 NwaCegarLoop]: 3721 mSDtfsCounter, 5473 mSDsluCounter, 11018 mSDsCounter, 0 mSdLazyCounter, 7484 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5473 SdHoareTripleChecker+Valid, 14739 SdHoareTripleChecker+Invalid, 7485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2025-03-08 09:02:13,864 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5473 Valid, 14739 Invalid, 7485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7484 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2025-03-08 09:02:13,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7300 states. [2025-03-08 09:02:13,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7300 to 3838. [2025-03-08 09:02:13,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3838 states, 3837 states have (on average 1.4996090695856137) internal successors, (5754), 3837 states have internal predecessors, (5754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 09:02:13,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3838 states to 3838 states and 5754 transitions. [2025-03-08 09:02:13,927 INFO L78 Accepts]: Start accepts. Automaton has 3838 states and 5754 transitions. Word has length 159 [2025-03-08 09:02:13,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 09:02:13,928 INFO L471 AbstractCegarLoop]: Abstraction has 3838 states and 5754 transitions. [2025-03-08 09:02:13,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.8) internal successors, (159), 5 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 09:02:13,928 INFO L276 IsEmpty]: Start isEmpty. Operand 3838 states and 5754 transitions. [2025-03-08 09:02:13,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2025-03-08 09:02:13,929 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 09:02:13,929 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 09:02:13,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 09:02:13,929 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 09:02:13,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 09:02:13,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1480499712, now seen corresponding path program 1 times [2025-03-08 09:02:13,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 09:02:13,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359337215] [2025-03-08 09:02:13,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 09:02:13,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 09:02:13,972 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-03-08 09:02:13,997 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-03-08 09:02:13,997 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 09:02:13,997 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 09:02:14,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 09:02:14,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 09:02:14,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359337215] [2025-03-08 09:02:14,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359337215] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 09:02:14,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 09:02:14,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 09:02:14,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031808458] [2025-03-08 09:02:14,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 09:02:14,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 09:02:14,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 09:02:14,214 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 09:02:14,214 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-08 09:02:14,214 INFO L87 Difference]: Start difference. First operand 3838 states and 5754 transitions. Second operand has 5 states, 5 states have (on average 32.0) internal successors, (160), 5 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 09:02:16,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 09:02:16,510 INFO L93 Difference]: Finished difference Result 7387 states and 11077 transitions. [2025-03-08 09:02:16,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 09:02:16,510 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.0) internal successors, (160), 5 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 160 [2025-03-08 09:02:16,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 09:02:16,519 INFO L225 Difference]: With dead ends: 7387 [2025-03-08 09:02:16,519 INFO L226 Difference]: Without dead ends: 3838 [2025-03-08 09:02:16,522 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-08 09:02:16,524 INFO L435 NwaCegarLoop]: 3713 mSDtfsCounter, 5488 mSDsluCounter, 7415 mSDsCounter, 0 mSdLazyCounter, 5767 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5488 SdHoareTripleChecker+Valid, 11128 SdHoareTripleChecker+Invalid, 5768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2025-03-08 09:02:16,524 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5488 Valid, 11128 Invalid, 5768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5767 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2025-03-08 09:02:16,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3838 states. [2025-03-08 09:02:16,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3838 to 3838. [2025-03-08 09:02:16,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3838 states, 3837 states have (on average 1.4985665884805839) internal successors, (5750), 3837 states have internal predecessors, (5750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 09:02:16,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3838 states to 3838 states and 5750 transitions. [2025-03-08 09:02:16,570 INFO L78 Accepts]: Start accepts. Automaton has 3838 states and 5750 transitions. Word has length 160 [2025-03-08 09:02:16,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 09:02:16,571 INFO L471 AbstractCegarLoop]: Abstraction has 3838 states and 5750 transitions. [2025-03-08 09:02:16,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.0) internal successors, (160), 5 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 09:02:16,571 INFO L276 IsEmpty]: Start isEmpty. Operand 3838 states and 5750 transitions. [2025-03-08 09:02:16,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2025-03-08 09:02:16,574 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 09:02:16,574 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 09:02:16,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-08 09:02:16,574 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 09:02:16,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 09:02:16,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1539345542, now seen corresponding path program 1 times [2025-03-08 09:02:16,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 09:02:16,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255348652] [2025-03-08 09:02:16,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 09:02:16,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 09:02:16,611 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 161 statements into 1 equivalence classes. [2025-03-08 09:02:16,641 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 161 of 161 statements. [2025-03-08 09:02:16,641 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 09:02:16,641 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 09:02:16,641 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-08 09:02:16,662 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 161 statements into 1 equivalence classes. [2025-03-08 09:02:16,691 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 161 of 161 statements. [2025-03-08 09:02:16,692 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 09:02:16,692 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 09:02:16,842 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-08 09:02:16,842 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-08 09:02:16,842 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-08 09:02:16,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-08 09:02:16,846 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2025-03-08 09:02:16,919 WARN L310 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2025-03-08 09:02:16,939 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 09:02:16,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 09:02:16 BoogieIcfgContainer [2025-03-08 09:02:16,943 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 09:02:16,944 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 09:02:16,944 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 09:02:16,944 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 09:02:16,945 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:02:01" (3/4) ... [2025-03-08 09:02:16,946 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-08 09:02:16,947 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 09:02:16,948 INFO L158 Benchmark]: Toolchain (without parser) took 31460.37ms. Allocated memory was 142.6MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 101.6MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 338.5MB. Max. memory is 16.1GB. [2025-03-08 09:02:16,948 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 124.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 09:02:16,949 INFO L158 Benchmark]: CACSL2BoogieTranslator took 728.75ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 53.7MB in the end (delta: 47.9MB). Peak memory consumption was 124.3MB. Max. memory is 16.1GB. [2025-03-08 09:02:16,949 INFO L158 Benchmark]: Boogie Procedure Inliner took 855.60ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 53.7MB in the beginning and 99.2MB in the end (delta: -45.5MB). Peak memory consumption was 291.9MB. Max. memory is 16.1GB. [2025-03-08 09:02:16,949 INFO L158 Benchmark]: Boogie Preprocessor took 1102.38ms. Allocated memory was 335.5MB in the beginning and 1.3GB in the end (delta: 973.1MB). Free memory was 99.2MB in the beginning and 989.2MB in the end (delta: -890.0MB). Peak memory consumption was 102.1MB. Max. memory is 16.1GB. [2025-03-08 09:02:16,950 INFO L158 Benchmark]: IcfgBuilder took 13624.70ms. Allocated memory was 1.3GB in the beginning and 1.7GB in the end (delta: 402.7MB). Free memory was 989.2MB in the beginning and 727.7MB in the end (delta: 261.5MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2025-03-08 09:02:16,950 INFO L158 Benchmark]: TraceAbstraction took 15139.96ms. Allocated memory is still 1.7GB. Free memory was 727.7MB in the beginning and 1.3GB in the end (delta: -608.2MB). Peak memory consumption was 339.7MB. Max. memory is 16.1GB. [2025-03-08 09:02:16,950 INFO L158 Benchmark]: Witness Printer took 3.45ms. Allocated memory is still 1.7GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 94.0kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 09:02:16,951 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 124.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 728.75ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 53.7MB in the end (delta: 47.9MB). Peak memory consumption was 124.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 855.60ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 53.7MB in the beginning and 99.2MB in the end (delta: -45.5MB). Peak memory consumption was 291.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1102.38ms. Allocated memory was 335.5MB in the beginning and 1.3GB in the end (delta: 973.1MB). Free memory was 99.2MB in the beginning and 989.2MB in the end (delta: -890.0MB). Peak memory consumption was 102.1MB. Max. memory is 16.1GB. * IcfgBuilder took 13624.70ms. Allocated memory was 1.3GB in the beginning and 1.7GB in the end (delta: 402.7MB). Free memory was 989.2MB in the beginning and 727.7MB in the end (delta: 261.5MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. * TraceAbstraction took 15139.96ms. Allocated memory is still 1.7GB. Free memory was 727.7MB in the beginning and 1.3GB in the end (delta: -608.2MB). Peak memory consumption was 339.7MB. Max. memory is 16.1GB. * Witness Printer took 3.45ms. Allocated memory is still 1.7GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 94.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 363, overapproximation of bitwiseAnd at line 365. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 32); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (32 - 1); [L35] const SORT_2 var_4 = 0; [L36] const SORT_1 var_31 = 0; [L37] const SORT_3 var_114 = 1; [L38] const SORT_3 var_115 = 0; [L39] const SORT_2 var_126 = 255; [L40] const SORT_2 var_128 = 0; [L41] const SORT_2 var_131 = 3; [L42] const SORT_2 var_135 = 2; [L43] const SORT_2 var_139 = 1; [L45] SORT_1 input_127; [L46] SORT_1 input_132; [L47] SORT_1 input_136; [L48] SORT_1 input_140; [L49] SORT_1 input_143; [L50] SORT_1 input_158; [L51] SORT_1 input_173; [L52] SORT_1 input_188; [L53] SORT_1 input_203; [L54] SORT_1 input_206; [L55] SORT_1 input_209; [L56] SORT_1 input_212; [L57] SORT_1 input_215; [L58] SORT_1 input_228; [L59] SORT_1 input_241; [L60] SORT_1 input_254; [L61] SORT_1 input_267; [L62] SORT_1 input_268; [L63] SORT_1 input_269; [L64] SORT_1 input_270; [L65] SORT_1 input_271; [L66] SORT_1 input_272; [L67] SORT_1 input_273; [L68] SORT_1 input_274; [L69] SORT_1 input_302; [L70] SORT_1 input_304; [L71] SORT_1 input_314; [L72] SORT_1 input_319; [L73] SORT_1 input_321; [L74] SORT_1 input_326; [L75] SORT_1 input_330; [L76] SORT_1 input_345; [L77] SORT_1 input_347; [L78] SORT_1 input_357; [L79] SORT_1 input_362; [L80] SORT_1 input_364; [L81] SORT_1 input_369; [L82] SORT_1 input_373; [L83] SORT_1 input_388; [L84] SORT_1 input_390; [L85] SORT_1 input_400; [L86] SORT_1 input_405; [L87] SORT_1 input_407; [L88] SORT_1 input_412; [L89] SORT_1 input_416; [L90] SORT_1 input_431; [L91] SORT_1 input_433; [L92] SORT_1 input_443; [L93] SORT_1 input_448; [L94] SORT_1 input_450; [L95] SORT_1 input_455; [L96] SORT_1 input_459; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L98] SORT_2 state_5 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L99] SORT_2 state_7 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L100] SORT_2 state_9 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L101] SORT_2 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L102] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L102] SORT_2 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L103] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L103] SORT_2 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L104] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L104] SORT_2 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L105] SORT_2 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L106] SORT_2 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L107] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L107] SORT_2 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L108] SORT_2 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L109] SORT_2 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L110] SORT_2 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L111] SORT_1 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L112] SORT_1 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L113] SORT_1 state_36 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L114] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L114] SORT_1 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L115] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L116] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L116] SORT_1 state_42 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L117] SORT_1 state_44 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L118] SORT_1 state_46 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L119] SORT_1 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L120] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L120] SORT_1 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L121] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L121] SORT_1 state_52 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L122] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L122] SORT_1 state_54 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L123] SORT_1 state_56 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L124] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L124] SORT_1 state_58 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L125] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L125] SORT_1 state_60 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L126] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L126] SORT_1 state_62 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L127] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L127] SORT_1 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L128] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L128] SORT_1 state_66 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L129] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L129] SORT_1 state_68 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L130] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L130] SORT_1 state_70 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L131] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L131] SORT_1 state_72 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L132] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L132] SORT_1 state_74 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L133] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L133] SORT_1 state_76 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L134] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L134] SORT_1 state_78 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L135] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L135] SORT_1 state_80 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L136] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L136] SORT_1 state_82 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L137] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L137] SORT_1 state_84 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L138] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L138] SORT_1 state_86 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L139] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L139] SORT_1 state_88 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L140] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L140] SORT_1 state_90 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L141] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L141] SORT_1 state_92 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L142] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L142] SORT_1 state_94 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L143] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L143] SORT_1 state_96 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L144] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L144] SORT_1 state_98 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L145] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L145] SORT_1 state_100 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L146] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L146] SORT_1 state_102 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L147] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L147] SORT_1 state_104 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L148] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L148] SORT_1 state_106 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L149] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L149] SORT_1 state_108 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L150] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L150] SORT_1 state_110 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L151] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1, var_31=0, var_4=0] [L151] SORT_1 state_112 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L153] SORT_2 init_6_arg_1 = var_4; [L154] state_5 = init_6_arg_1 [L155] SORT_2 init_8_arg_1 = var_4; [L156] state_7 = init_8_arg_1 [L157] SORT_2 init_10_arg_1 = var_4; [L158] state_9 = init_10_arg_1 [L159] SORT_2 init_12_arg_1 = var_4; [L160] state_11 = init_12_arg_1 [L161] SORT_2 init_14_arg_1 = var_4; [L162] state_13 = init_14_arg_1 [L163] SORT_2 init_16_arg_1 = var_4; [L164] state_15 = init_16_arg_1 [L165] SORT_2 init_18_arg_1 = var_4; [L166] state_17 = init_18_arg_1 [L167] SORT_2 init_20_arg_1 = var_4; [L168] state_19 = init_20_arg_1 [L169] SORT_2 init_22_arg_1 = var_4; [L170] state_21 = init_22_arg_1 [L171] SORT_2 init_24_arg_1 = var_4; [L172] state_23 = init_24_arg_1 [L173] SORT_2 init_26_arg_1 = var_4; [L174] state_25 = init_26_arg_1 [L175] SORT_2 init_28_arg_1 = var_4; [L176] state_27 = init_28_arg_1 [L177] SORT_2 init_30_arg_1 = var_4; [L178] state_29 = init_30_arg_1 [L179] SORT_1 init_33_arg_1 = var_31; [L180] state_32 = init_33_arg_1 [L181] SORT_1 init_35_arg_1 = var_31; [L182] state_34 = init_35_arg_1 [L183] SORT_1 init_37_arg_1 = var_31; [L184] state_36 = init_37_arg_1 [L185] SORT_1 init_39_arg_1 = var_31; [L186] state_38 = init_39_arg_1 [L187] SORT_1 init_41_arg_1 = var_31; [L188] state_40 = init_41_arg_1 [L189] SORT_1 init_43_arg_1 = var_31; [L190] state_42 = init_43_arg_1 [L191] SORT_1 init_45_arg_1 = var_31; [L192] state_44 = init_45_arg_1 [L193] SORT_1 init_47_arg_1 = var_31; [L194] state_46 = init_47_arg_1 [L195] SORT_1 init_49_arg_1 = var_31; [L196] state_48 = init_49_arg_1 [L197] SORT_1 init_51_arg_1 = var_31; [L198] state_50 = init_51_arg_1 [L199] SORT_1 init_53_arg_1 = var_31; [L200] state_52 = init_53_arg_1 [L201] SORT_1 init_55_arg_1 = var_31; [L202] state_54 = init_55_arg_1 [L203] SORT_1 init_57_arg_1 = var_31; [L204] state_56 = init_57_arg_1 [L205] SORT_1 init_59_arg_1 = var_31; [L206] state_58 = init_59_arg_1 [L207] SORT_1 init_61_arg_1 = var_31; [L208] state_60 = init_61_arg_1 [L209] SORT_1 init_63_arg_1 = var_31; [L210] state_62 = init_63_arg_1 [L211] SORT_1 init_65_arg_1 = var_31; [L212] state_64 = init_65_arg_1 [L213] SORT_1 init_67_arg_1 = var_31; [L214] state_66 = init_67_arg_1 [L215] SORT_1 init_69_arg_1 = var_31; [L216] state_68 = init_69_arg_1 [L217] SORT_1 init_71_arg_1 = var_31; [L218] state_70 = init_71_arg_1 [L219] SORT_1 init_73_arg_1 = var_31; [L220] state_72 = init_73_arg_1 [L221] SORT_1 init_75_arg_1 = var_31; [L222] state_74 = init_75_arg_1 [L223] SORT_1 init_77_arg_1 = var_31; [L224] state_76 = init_77_arg_1 [L225] SORT_1 init_79_arg_1 = var_31; [L226] state_78 = init_79_arg_1 [L227] SORT_1 init_81_arg_1 = var_31; [L228] state_80 = init_81_arg_1 [L229] SORT_1 init_83_arg_1 = var_31; [L230] state_82 = init_83_arg_1 [L231] SORT_1 init_85_arg_1 = var_31; [L232] state_84 = init_85_arg_1 [L233] SORT_1 init_87_arg_1 = var_31; [L234] state_86 = init_87_arg_1 [L235] SORT_1 init_89_arg_1 = var_31; [L236] state_88 = init_89_arg_1 [L237] SORT_1 init_91_arg_1 = var_31; [L238] state_90 = init_91_arg_1 [L239] SORT_1 init_93_arg_1 = var_31; [L240] state_92 = init_93_arg_1 [L241] SORT_1 init_95_arg_1 = var_31; [L242] state_94 = init_95_arg_1 [L243] SORT_1 init_97_arg_1 = var_31; [L244] state_96 = init_97_arg_1 [L245] SORT_1 init_99_arg_1 = var_31; [L246] state_98 = init_99_arg_1 [L247] SORT_1 init_101_arg_1 = var_31; [L248] state_100 = init_101_arg_1 [L249] SORT_1 init_103_arg_1 = var_31; [L250] state_102 = init_103_arg_1 [L251] SORT_1 init_105_arg_1 = var_31; [L252] state_104 = init_105_arg_1 [L253] SORT_1 init_107_arg_1 = var_31; [L254] state_106 = init_107_arg_1 [L255] SORT_1 init_109_arg_1 = var_31; [L256] state_108 = init_109_arg_1 [L257] SORT_1 init_111_arg_1 = var_31; [L258] state_110 = init_111_arg_1 [L259] SORT_1 init_113_arg_1 = var_31; [L260] state_112 = init_113_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L263] input_127 = __VERIFIER_nondet_uchar() [L264] input_132 = __VERIFIER_nondet_uchar() [L265] input_136 = __VERIFIER_nondet_uchar() [L266] input_140 = __VERIFIER_nondet_uchar() [L267] input_143 = __VERIFIER_nondet_uchar() [L268] EXPR input_143 & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L268] input_143 = input_143 & mask_SORT_1 [L269] input_158 = __VERIFIER_nondet_uchar() [L270] EXPR input_158 & mask_SORT_1 VAL [input_143=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L270] input_158 = input_158 & mask_SORT_1 [L271] input_173 = __VERIFIER_nondet_uchar() [L272] EXPR input_173 & mask_SORT_1 VAL [input_143=0, input_158=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L272] input_173 = input_173 & mask_SORT_1 [L273] input_188 = __VERIFIER_nondet_uchar() [L274] EXPR input_188 & mask_SORT_1 VAL [input_143=0, input_158=0, input_173=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L274] input_188 = input_188 & mask_SORT_1 [L275] input_203 = __VERIFIER_nondet_uchar() [L276] input_206 = __VERIFIER_nondet_uchar() [L277] input_209 = __VERIFIER_nondet_uchar() [L278] input_212 = __VERIFIER_nondet_uchar() [L279] input_215 = __VERIFIER_nondet_uchar() [L280] EXPR input_215 & mask_SORT_1 VAL [input_143=0, input_158=0, input_173=0, input_188=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L280] input_215 = input_215 & mask_SORT_1 [L281] input_228 = __VERIFIER_nondet_uchar() [L282] EXPR input_228 & mask_SORT_1 VAL [input_143=0, input_158=0, input_173=0, input_188=0, input_215=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L282] input_228 = input_228 & mask_SORT_1 [L283] input_241 = __VERIFIER_nondet_uchar() [L284] EXPR input_241 & mask_SORT_1 VAL [input_143=0, input_158=0, input_173=0, input_188=0, input_215=0, input_228=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L284] input_241 = input_241 & mask_SORT_1 [L285] input_254 = __VERIFIER_nondet_uchar() [L286] EXPR input_254 & mask_SORT_1 VAL [input_143=0, input_158=0, input_173=0, input_188=0, input_215=0, input_228=0, input_241=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L286] input_254 = input_254 & mask_SORT_1 [L287] input_267 = __VERIFIER_nondet_uchar() [L288] EXPR input_267 & mask_SORT_1 VAL [input_143=0, input_158=0, input_173=0, input_188=0, input_215=0, input_228=0, input_241=0, input_254=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L288] input_267 = input_267 & mask_SORT_1 [L289] input_268 = __VERIFIER_nondet_uchar() [L290] EXPR input_268 & mask_SORT_1 VAL [input_143=0, input_158=0, input_173=0, input_188=0, input_215=0, input_228=0, input_241=0, input_254=0, input_267=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L290] input_268 = input_268 & mask_SORT_1 [L291] input_269 = __VERIFIER_nondet_uchar() [L292] EXPR input_269 & mask_SORT_1 VAL [input_143=0, input_158=0, input_173=0, input_188=0, input_215=0, input_228=0, input_241=0, input_254=0, input_267=0, input_268=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L292] input_269 = input_269 & mask_SORT_1 [L293] input_270 = __VERIFIER_nondet_uchar() [L294] EXPR input_270 & mask_SORT_1 VAL [input_143=0, input_158=0, input_173=0, input_188=0, input_215=0, input_228=0, input_241=0, input_254=0, input_267=0, input_268=0, input_269=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L294] input_270 = input_270 & mask_SORT_1 [L295] input_271 = __VERIFIER_nondet_uchar() [L296] EXPR input_271 & mask_SORT_1 VAL [input_143=0, input_158=0, input_173=0, input_188=0, input_215=0, input_228=0, input_241=0, input_254=0, input_267=0, input_268=0, input_269=0, input_270=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L296] input_271 = input_271 & mask_SORT_1 [L297] input_272 = __VERIFIER_nondet_uchar() [L298] EXPR input_272 & mask_SORT_1 VAL [input_143=0, input_158=0, input_173=0, input_188=0, input_215=0, input_228=0, input_241=0, input_254=0, input_267=0, input_268=0, input_269=0, input_270=0, input_271=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L298] input_272 = input_272 & mask_SORT_1 [L299] input_273 = __VERIFIER_nondet_uchar() [L300] EXPR input_273 & mask_SORT_1 VAL [input_143=0, input_158=0, input_173=0, input_188=0, input_215=0, input_228=0, input_241=0, input_254=0, input_267=0, input_268=0, input_269=0, input_270=0, input_271=0, input_272=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L300] input_273 = input_273 & mask_SORT_1 [L301] input_274 = __VERIFIER_nondet_uchar() [L302] EXPR input_274 & mask_SORT_1 VAL [input_143=0, input_158=0, input_173=0, input_188=0, input_215=0, input_228=0, input_241=0, input_254=0, input_267=0, input_268=0, input_269=0, input_270=0, input_271=0, input_272=0, input_273=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L302] input_274 = input_274 & mask_SORT_1 [L303] input_302 = __VERIFIER_nondet_uchar() [L304] input_304 = __VERIFIER_nondet_uchar() [L305] input_314 = __VERIFIER_nondet_uchar() [L306] input_319 = __VERIFIER_nondet_uchar() [L307] input_321 = __VERIFIER_nondet_uchar() [L308] input_326 = __VERIFIER_nondet_uchar() [L309] input_330 = __VERIFIER_nondet_uchar() [L310] input_345 = __VERIFIER_nondet_uchar() [L311] input_347 = __VERIFIER_nondet_uchar() [L312] input_357 = __VERIFIER_nondet_uchar() [L313] input_362 = __VERIFIER_nondet_uchar() [L314] input_364 = __VERIFIER_nondet_uchar() [L315] input_369 = __VERIFIER_nondet_uchar() [L316] input_373 = __VERIFIER_nondet_uchar() [L317] input_388 = __VERIFIER_nondet_uchar() [L318] input_390 = __VERIFIER_nondet_uchar() [L319] input_400 = __VERIFIER_nondet_uchar() [L320] input_405 = __VERIFIER_nondet_uchar() [L321] input_407 = __VERIFIER_nondet_uchar() [L322] input_412 = __VERIFIER_nondet_uchar() [L323] input_416 = __VERIFIER_nondet_uchar() [L324] input_431 = __VERIFIER_nondet_uchar() [L325] input_433 = __VERIFIER_nondet_uchar() [L326] input_443 = __VERIFIER_nondet_uchar() [L327] input_448 = __VERIFIER_nondet_uchar() [L328] input_450 = __VERIFIER_nondet_uchar() [L329] input_455 = __VERIFIER_nondet_uchar() [L330] input_459 = __VERIFIER_nondet_uchar() [L333] SORT_1 var_116_arg_0 = state_44; [L334] SORT_3 var_116_arg_1 = var_114; [L335] SORT_3 var_116_arg_2 = var_115; [L336] SORT_3 var_116 = var_116_arg_0 ? var_116_arg_1 : var_116_arg_2; [L337] SORT_1 var_117_arg_0 = state_64; [L338] SORT_3 var_117_arg_1 = var_114; [L339] SORT_3 var_117_arg_2 = var_115; [L340] SORT_3 var_117 = var_117_arg_0 ? var_117_arg_1 : var_117_arg_2; [L341] SORT_3 var_118_arg_0 = var_116; [L342] SORT_3 var_118_arg_1 = var_117; [L343] SORT_3 var_118 = var_118_arg_0 + var_118_arg_1; [L344] SORT_1 var_119_arg_0 = state_84; [L345] SORT_3 var_119_arg_1 = var_114; [L346] SORT_3 var_119_arg_2 = var_115; [L347] SORT_3 var_119 = var_119_arg_0 ? var_119_arg_1 : var_119_arg_2; [L348] SORT_3 var_120_arg_0 = var_118; [L349] SORT_3 var_120_arg_1 = var_119; [L350] SORT_3 var_120 = var_120_arg_0 + var_120_arg_1; [L351] SORT_1 var_121_arg_0 = state_104; [L352] SORT_3 var_121_arg_1 = var_114; [L353] SORT_3 var_121_arg_2 = var_115; [L354] SORT_3 var_121 = var_121_arg_0 ? var_121_arg_1 : var_121_arg_2; [L355] SORT_3 var_122_arg_0 = var_120; [L356] SORT_3 var_122_arg_1 = var_121; [L357] SORT_3 var_122 = var_122_arg_0 + var_122_arg_1; VAL [input_143=0, input_158=0, input_173=0, input_188=0, input_215=0, input_228=0, input_241=0, input_254=0, input_267=0, input_268=0, input_269=0, input_270=0, input_271=0, input_272=0, input_273=0, input_274=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_122=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L358] EXPR var_122 & mask_SORT_3 VAL [input_143=0, input_158=0, input_173=0, input_188=0, input_215=0, input_228=0, input_241=0, input_254=0, input_267=0, input_268=0, input_269=0, input_270=0, input_271=0, input_272=0, input_273=0, input_274=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L358] var_122 = var_122 & mask_SORT_3 [L359] SORT_3 var_123_arg_0 = var_122; [L360] SORT_3 var_123_arg_1 = var_114; [L361] SORT_1 var_123 = var_123_arg_0 <= var_123_arg_1; [L362] SORT_1 var_124_arg_0 = ~state_112; VAL [input_143=0, input_158=0, input_173=0, input_188=0, input_215=0, input_228=0, input_241=0, input_254=0, input_267=0, input_268=0, input_269=0, input_270=0, input_271=0, input_272=0, input_273=0, input_274=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_123=1, var_124_arg_0=-1, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L363] EXPR var_124_arg_0 & mask_SORT_1 VAL [input_143=0, input_158=0, input_173=0, input_188=0, input_215=0, input_228=0, input_241=0, input_254=0, input_267=0, input_268=0, input_269=0, input_270=0, input_271=0, input_272=0, input_273=0, input_274=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_123=1, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L363] var_124_arg_0 = var_124_arg_0 & mask_SORT_1 [L364] SORT_1 var_124_arg_1 = ~var_123; VAL [input_143=0, input_158=0, input_173=0, input_188=0, input_215=0, input_228=0, input_241=0, input_254=0, input_267=0, input_268=0, input_269=0, input_270=0, input_271=0, input_272=0, input_273=0, input_274=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_124_arg_0=1, var_124_arg_1=-2, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L365] EXPR var_124_arg_1 & mask_SORT_1 VAL [input_143=0, input_158=0, input_173=0, input_188=0, input_215=0, input_228=0, input_241=0, input_254=0, input_267=0, input_268=0, input_269=0, input_270=0, input_271=0, input_272=0, input_273=0, input_274=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_124_arg_0=1, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L365] var_124_arg_1 = var_124_arg_1 & mask_SORT_1 [L366] EXPR var_124_arg_0 & var_124_arg_1 VAL [input_143=0, input_158=0, input_173=0, input_188=0, input_215=0, input_228=0, input_241=0, input_254=0, input_267=0, input_268=0, input_269=0, input_270=0, input_271=0, input_272=0, input_273=0, input_274=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L366] SORT_1 var_124 = var_124_arg_0 & var_124_arg_1; [L367] EXPR var_124 & mask_SORT_1 VAL [input_143=0, input_158=0, input_173=0, input_188=0, input_215=0, input_228=0, input_241=0, input_254=0, input_267=0, input_268=0, input_269=0, input_270=0, input_271=0, input_272=0, input_273=0, input_274=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, state_9=0, var_114=1, var_115=0, var_126=255, var_128=0, var_131=3, var_135=2, var_139=1] [L367] var_124 = var_124 & mask_SORT_1 [L368] SORT_1 bad_125_arg_0 = var_124; [L369] CALL __VERIFIER_assert(!(bad_125_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 3760 locations, 5641 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.0s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 11.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10965 SdHoareTripleChecker+Valid, 11.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10965 mSDsluCounter, 86913 SdHoareTripleChecker+Invalid, 9.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 60679 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25482 IncrementalHoareTripleChecker+Invalid, 25485 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 26234 mSDtfsCounter, 25482 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3838occurred in iteration=5, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 3466 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1106 NumberOfCodeBlocks, 1106 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 939 ConstructedInterpolants, 0 QuantifiedInterpolants, 2180 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-03-08 09:02:16,975 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.mcs.3.prop1-func-interl.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 43a547173bc5737aef686ddf95649235e9f271c4122df2cd7418215b3adcee9e --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 09:02:18,932 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 09:02:19,019 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2025-03-08 09:02:19,026 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 09:02:19,026 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 09:02:19,048 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 09:02:19,050 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 09:02:19,050 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 09:02:19,050 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 09:02:19,050 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 09:02:19,051 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 09:02:19,051 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 09:02:19,051 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 09:02:19,051 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 09:02:19,052 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 09:02:19,052 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 09:02:19,052 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 09:02:19,052 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 09:02:19,052 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 09:02:19,052 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 09:02:19,052 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 09:02:19,052 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-08 09:02:19,053 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-08 09:02:19,053 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-08 09:02:19,053 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 09:02:19,053 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 09:02:19,053 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 09:02:19,053 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 09:02:19,053 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 09:02:19,053 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 09:02:19,053 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 09:02:19,054 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 09:02:19,054 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 09:02:19,054 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 09:02:19,054 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 09:02:19,054 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 09:02:19,054 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-08 09:02:19,054 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-08 09:02:19,054 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 09:02:19,054 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 09:02:19,054 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 09:02:19,054 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 09:02:19,054 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 -> 43a547173bc5737aef686ddf95649235e9f271c4122df2cd7418215b3adcee9e [2025-03-08 09:02:19,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 09:02:19,311 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 09:02:19,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 09:02:19,314 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 09:02:19,316 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 09:02:19,317 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.3.prop1-func-interl.c [2025-03-08 09:02:20,498 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f54ef3048/df6fe39845934018b6230d81e8d975b1/FLAG33b89fa64 [2025-03-08 09:02:20,800 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 09:02:20,801 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.3.prop1-func-interl.c [2025-03-08 09:02:20,823 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f54ef3048/df6fe39845934018b6230d81e8d975b1/FLAG33b89fa64 [2025-03-08 09:02:21,066 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f54ef3048/df6fe39845934018b6230d81e8d975b1 [2025-03-08 09:02:21,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 09:02:21,068 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 09:02:21,069 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 09:02:21,069 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 09:02:21,072 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 09:02:21,072 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:02:21" (1/1) ... [2025-03-08 09:02:21,072 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@671c484b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:02:21, skipping insertion in model container [2025-03-08 09:02:21,072 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:02:21" (1/1) ... [2025-03-08 09:02:21,126 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 09:02:21,265 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.mcs.3.prop1-func-interl.c[1170,1183] [2025-03-08 09:02:21,529 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 09:02:21,538 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 09:02:21,546 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.mcs.3.prop1-func-interl.c[1170,1183] [2025-03-08 09:02:21,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 09:02:21,678 INFO L204 MainTranslator]: Completed translation [2025-03-08 09:02:21,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:02:21 WrapperNode [2025-03-08 09:02:21,679 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 09:02:21,691 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 09:02:21,691 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 09:02:21,691 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 09:02:21,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:02:21" (1/1) ... [2025-03-08 09:02:21,725 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:02:21" (1/1) ... [2025-03-08 09:02:21,830 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3204 [2025-03-08 09:02:21,831 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 09:02:21,831 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 09:02:21,831 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 09:02:21,832 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 09:02:21,846 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:02:21" (1/1) ... [2025-03-08 09:02:21,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:02:21" (1/1) ... [2025-03-08 09:02:21,874 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:02:21" (1/1) ... [2025-03-08 09:02:21,939 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]. [2025-03-08 09:02:21,940 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:02:21" (1/1) ... [2025-03-08 09:02:21,940 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:02:21" (1/1) ... [2025-03-08 09:02:21,977 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:02:21" (1/1) ... [2025-03-08 09:02:21,985 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:02:21" (1/1) ... [2025-03-08 09:02:21,999 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:02:21" (1/1) ... [2025-03-08 09:02:22,012 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:02:21" (1/1) ... [2025-03-08 09:02:22,031 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 09:02:22,033 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 09:02:22,033 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 09:02:22,033 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 09:02:22,034 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:02:21" (1/1) ... [2025-03-08 09:02:22,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 09:02:22,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 09:02:22,063 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) [2025-03-08 09:02:22,066 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 [2025-03-08 09:02:22,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 09:02:22,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-08 09:02:22,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 09:02:22,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 09:02:22,544 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 09:02:22,546 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 09:02:24,700 INFO L? ?]: Removed 148 outVars from TransFormulas that were not future-live. [2025-03-08 09:02:24,700 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 09:02:24,708 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 09:02:24,708 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 09:02:24,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:02:24 BoogieIcfgContainer [2025-03-08 09:02:24,709 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 09:02:24,710 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 09:02:24,710 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 09:02:24,715 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 09:02:24,716 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 09:02:21" (1/3) ... [2025-03-08 09:02:24,716 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a464630 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:02:24, skipping insertion in model container [2025-03-08 09:02:24,716 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:02:21" (2/3) ... [2025-03-08 09:02:24,717 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a464630 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:02:24, skipping insertion in model container [2025-03-08 09:02:24,717 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:02:24" (3/3) ... [2025-03-08 09:02:24,718 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mcs.3.prop1-func-interl.c [2025-03-08 09:02:24,730 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 09:02:24,732 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.mcs.3.prop1-func-interl.c that has 1 procedures, 10 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 09:02:24,768 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 09:02:24,779 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;@e0c1d58, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 09:02:24,780 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 09:02:24,783 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 09:02:24,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-03-08 09:02:24,788 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 09:02:24,788 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-03-08 09:02:24,789 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 09:02:24,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 09:02:24,793 INFO L85 PathProgramCache]: Analyzing trace with hash 38140359, now seen corresponding path program 1 times [2025-03-08 09:02:24,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 09:02:24,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2063959954] [2025-03-08 09:02:24,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 09:02:24,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 09:02:24,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 09:02:24,808 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) [2025-03-08 09:02:24,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 09:02:25,290 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-08 09:02:25,323 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-08 09:02:25,324 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 09:02:25,325 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 09:02:25,332 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 42 conjuncts are in the unsatisfiable core [2025-03-08 09:02:25,350 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 09:02:25,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 09:02:25,611 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 09:02:25,612 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 09:02:25,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2063959954] [2025-03-08 09:02:25,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2063959954] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 09:02:25,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 09:02:25,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-08 09:02:25,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464082996] [2025-03-08 09:02:25,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 09:02:25,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-08 09:02:25,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 09:02:25,631 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-08 09:02:25,632 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-08 09:02:25,634 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 09:02:25,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 09:02:25,864 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2025-03-08 09:02:25,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-08 09:02:25,869 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-03-08 09:02:25,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 09:02:25,873 INFO L225 Difference]: With dead ends: 18 [2025-03-08 09:02:25,873 INFO L226 Difference]: Without dead ends: 10 [2025-03-08 09:02:25,876 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 [2025-03-08 09:02:25,879 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-08 09:02:25,881 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-08 09:02:25,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2025-03-08 09:02:25,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2025-03-08 09:02:25,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 09:02:25,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2025-03-08 09:02:25,906 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2025-03-08 09:02:25,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 09:02:25,906 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2025-03-08 09:02:25,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 09:02:25,906 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2025-03-08 09:02:25,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-03-08 09:02:25,907 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 09:02:25,907 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2025-03-08 09:02:25,927 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-08 09:02:26,108 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 [2025-03-08 09:02:26,108 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 09:02:26,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 09:02:26,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1926026653, now seen corresponding path program 1 times [2025-03-08 09:02:26,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 09:02:26,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1839279365] [2025-03-08 09:02:26,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 09:02:26,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 09:02:26,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 09:02:26,115 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) [2025-03-08 09:02:26,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-08 09:02:26,664 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-08 09:02:26,774 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-08 09:02:26,774 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 09:02:26,774 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 09:02:26,794 INFO L256 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 67 conjuncts are in the unsatisfiable core [2025-03-08 09:02:26,814 INFO L279 TraceCheckSpWp]: Computing forward predicates...