./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.6.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.6.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 e3e79e7da330266ce56daf5234acad11488eb453b66f5074926d34ef16c39523 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-16 22:01:57,059 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-16 22:01:57,118 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-16 22:01:57,122 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-16 22:01:57,124 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-16 22:01:57,144 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-16 22:01:57,144 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-16 22:01:57,144 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-16 22:01:57,145 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-16 22:01:57,145 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-16 22:01:57,146 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-16 22:01:57,146 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-16 22:01:57,146 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-16 22:01:57,146 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-16 22:01:57,146 INFO L153 SettingsManager]: * Use SBE=true [2025-03-16 22:01:57,146 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-16 22:01:57,147 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-16 22:01:57,147 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-16 22:01:57,147 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-16 22:01:57,147 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-16 22:01:57,147 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-16 22:01:57,147 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-16 22:01:57,147 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-16 22:01:57,147 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-16 22:01:57,147 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-16 22:01:57,147 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-16 22:01:57,148 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-16 22:01:57,148 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-16 22:01:57,148 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-16 22:01:57,148 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 22:01:57,148 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-16 22:01:57,148 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-16 22:01:57,148 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-16 22:01:57,149 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-16 22:01:57,149 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-16 22:01:57,149 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-16 22:01:57,149 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-16 22:01:57,149 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-16 22:01:57,149 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-16 22:01:57,149 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-16 22:01:57,149 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 -> e3e79e7da330266ce56daf5234acad11488eb453b66f5074926d34ef16c39523 [2025-03-16 22:01:57,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-16 22:01:57,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-16 22:01:57,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-16 22:01:57,369 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-16 22:01:57,370 INFO L274 PluginConnector]: CDTParser initialized [2025-03-16 22:01:57,371 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.6.prop1-func-interl.c [2025-03-16 22:01:58,495 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a3a2aa11/7019282f8f6e4812a0324727de7f99c0/FLAG6ea38fef7 [2025-03-16 22:01:58,812 INFO L384 CDTParser]: Found 1 translation units. [2025-03-16 22:01:58,813 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.6.prop1-func-interl.c [2025-03-16 22:01:58,833 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a3a2aa11/7019282f8f6e4812a0324727de7f99c0/FLAG6ea38fef7 [2025-03-16 22:01:58,847 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a3a2aa11/7019282f8f6e4812a0324727de7f99c0 [2025-03-16 22:01:58,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-16 22:01:58,850 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-16 22:01:58,852 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-16 22:01:58,852 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-16 22:01:58,855 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-16 22:01:58,855 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 10:01:58" (1/1) ... [2025-03-16 22:01:58,856 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d41fce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:58, skipping insertion in model container [2025-03-16 22:01:58,856 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 10:01:58" (1/1) ... [2025-03-16 22:01:58,904 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-16 22:01:59,027 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.lann.6.prop1-func-interl.c[1171,1184] [2025-03-16 22:01:59,303 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 22:01:59,310 INFO L200 MainTranslator]: Completed pre-run [2025-03-16 22:01:59,317 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.lann.6.prop1-func-interl.c[1171,1184] [2025-03-16 22:01:59,499 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 22:01:59,508 INFO L204 MainTranslator]: Completed translation [2025-03-16 22:01:59,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:59 WrapperNode [2025-03-16 22:01:59,509 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-16 22:01:59,510 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-16 22:01:59,510 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-16 22:01:59,510 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-16 22:01:59,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:59" (1/1) ... [2025-03-16 22:01:59,572 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:59" (1/1) ... [2025-03-16 22:02:00,242 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 8734 [2025-03-16 22:02:00,243 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-16 22:02:00,244 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-16 22:02:00,244 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-16 22:02:00,244 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-16 22:02:00,249 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:59" (1/1) ... [2025-03-16 22:02:00,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:59" (1/1) ... [2025-03-16 22:02:00,358 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:59" (1/1) ... [2025-03-16 22:02:00,502 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-16 22:02:00,502 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:59" (1/1) ... [2025-03-16 22:02:00,502 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:59" (1/1) ... [2025-03-16 22:02:00,829 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:59" (1/1) ... [2025-03-16 22:02:00,857 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:59" (1/1) ... [2025-03-16 22:02:00,904 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:59" (1/1) ... [2025-03-16 22:02:00,962 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:59" (1/1) ... [2025-03-16 22:02:01,103 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-16 22:02:01,104 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-16 22:02:01,104 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-16 22:02:01,104 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-16 22:02:01,105 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:59" (1/1) ... [2025-03-16 22:02:01,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 22:02:01,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 22:02:01,162 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-16 22:02:01,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-16 22:02:01,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-16 22:02:01,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-16 22:02:01,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-16 22:02:01,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-16 22:02:01,594 INFO L256 CfgBuilder]: Building ICFG [2025-03-16 22:02:01,595 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-16 22:02:09,580 INFO L? ?]: Removed 4753 outVars from TransFormulas that were not future-live. [2025-03-16 22:02:09,580 INFO L307 CfgBuilder]: Performing block encoding [2025-03-16 22:02:09,812 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-16 22:02:09,815 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-16 22:02:09,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 10:02:09 BoogieIcfgContainer [2025-03-16 22:02:09,815 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-16 22:02:09,817 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-16 22:02:09,817 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-16 22:02:09,820 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-16 22:02:09,820 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 10:01:58" (1/3) ... [2025-03-16 22:02:09,821 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@296bf90f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 10:02:09, skipping insertion in model container [2025-03-16 22:02:09,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:59" (2/3) ... [2025-03-16 22:02:09,822 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@296bf90f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 10:02:09, skipping insertion in model container [2025-03-16 22:02:09,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 10:02:09" (3/3) ... [2025-03-16 22:02:09,823 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.lann.6.prop1-func-interl.c [2025-03-16 22:02:09,834 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-16 22:02:09,835 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.lann.6.prop1-func-interl.c that has 1 procedures, 3156 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-16 22:02:09,916 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-16 22:02:09,923 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;@6ef7140d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-16 22:02:09,923 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-16 22:02:09,931 INFO L276 IsEmpty]: Start isEmpty. Operand has 3156 states, 3154 states have (on average 1.5) internal successors, (4731), 3155 states have internal predecessors, (4731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 22:02:09,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2025-03-16 22:02:09,940 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 22:02:09,940 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 22:02:09,941 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 22:02:09,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 22:02:09,945 INFO L85 PathProgramCache]: Analyzing trace with hash -274376553, now seen corresponding path program 1 times [2025-03-16 22:02:09,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 22:02:09,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955187002] [2025-03-16 22:02:09,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 22:02:09,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 22:02:10,048 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-03-16 22:02:10,161 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-03-16 22:02:10,162 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:02:10,162 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 22:02:10,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 22:02:10,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 22:02:10,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955187002] [2025-03-16 22:02:10,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955187002] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 22:02:10,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 22:02:10,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-16 22:02:10,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689403043] [2025-03-16 22:02:10,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 22:02:10,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-16 22:02:10,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 22:02:10,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-16 22:02:10,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-16 22:02:10,802 INFO L87 Difference]: Start difference. First operand has 3156 states, 3154 states have (on average 1.5) internal successors, (4731), 3155 states have internal predecessors, (4731), 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 34.5) internal successors, (138), 4 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 22:02:12,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 22:02:12,207 INFO L93 Difference]: Finished difference Result 6179 states and 9265 transitions. [2025-03-16 22:02:12,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-16 22:02:12,208 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 4 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 138 [2025-03-16 22:02:12,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 22:02:12,236 INFO L225 Difference]: With dead ends: 6179 [2025-03-16 22:02:12,237 INFO L226 Difference]: Without dead ends: 3156 [2025-03-16 22:02:12,250 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-16 22:02:12,252 INFO L435 NwaCegarLoop]: 3939 mSDtfsCounter, 0 mSDsluCounter, 7873 mSDsCounter, 0 mSdLazyCounter, 2371 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11812 SdHoareTripleChecker+Invalid, 2371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-03-16 22:02:12,254 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11812 Invalid, 2371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2371 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-03-16 22:02:12,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3156 states. [2025-03-16 22:02:12,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3156 to 3156. [2025-03-16 22:02:12,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3156 states, 3155 states have (on average 1.4992076069730587) internal successors, (4730), 3155 states have internal predecessors, (4730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 22:02:12,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3156 states to 3156 states and 4730 transitions. [2025-03-16 22:02:12,391 INFO L78 Accepts]: Start accepts. Automaton has 3156 states and 4730 transitions. Word has length 138 [2025-03-16 22:02:12,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 22:02:12,392 INFO L471 AbstractCegarLoop]: Abstraction has 3156 states and 4730 transitions. [2025-03-16 22:02:12,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 4 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 22:02:12,393 INFO L276 IsEmpty]: Start isEmpty. Operand 3156 states and 4730 transitions. [2025-03-16 22:02:12,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2025-03-16 22:02:12,396 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 22:02:12,396 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 22:02:12,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-16 22:02:12,397 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 22:02:12,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 22:02:12,398 INFO L85 PathProgramCache]: Analyzing trace with hash 88945632, now seen corresponding path program 1 times [2025-03-16 22:02:12,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 22:02:12,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359455934] [2025-03-16 22:02:12,398 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 22:02:12,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 22:02:12,440 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-03-16 22:02:12,550 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-03-16 22:02:12,550 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:02:12,550 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 22:02:12,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 22:02:12,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 22:02:12,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359455934] [2025-03-16 22:02:12,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359455934] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 22:02:12,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 22:02:12,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-16 22:02:12,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571424691] [2025-03-16 22:02:12,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 22:02:12,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-16 22:02:12,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 22:02:12,900 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-16 22:02:12,901 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-16 22:02:12,901 INFO L87 Difference]: Start difference. First operand 3156 states and 4730 transitions. Second operand has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 22:02:14,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 22:02:14,152 INFO L93 Difference]: Finished difference Result 6181 states and 9264 transitions. [2025-03-16 22:02:14,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-16 22:02:14,153 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2025-03-16 22:02:14,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 22:02:14,166 INFO L225 Difference]: With dead ends: 6181 [2025-03-16 22:02:14,166 INFO L226 Difference]: Without dead ends: 3158 [2025-03-16 22:02:14,172 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-16 22:02:14,172 INFO L435 NwaCegarLoop]: 3939 mSDtfsCounter, 0 mSDsluCounter, 7870 mSDsCounter, 0 mSdLazyCounter, 2374 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11809 SdHoareTripleChecker+Invalid, 2374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-03-16 22:02:14,172 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11809 Invalid, 2374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2374 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-03-16 22:02:14,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3158 states. [2025-03-16 22:02:14,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3158 to 3158. [2025-03-16 22:02:14,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3158 states, 3157 states have (on average 1.498891352549889) internal successors, (4732), 3157 states have internal predecessors, (4732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 22:02:14,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3158 states to 3158 states and 4732 transitions. [2025-03-16 22:02:14,226 INFO L78 Accepts]: Start accepts. Automaton has 3158 states and 4732 transitions. Word has length 139 [2025-03-16 22:02:14,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 22:02:14,226 INFO L471 AbstractCegarLoop]: Abstraction has 3158 states and 4732 transitions. [2025-03-16 22:02:14,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 22:02:14,226 INFO L276 IsEmpty]: Start isEmpty. Operand 3158 states and 4732 transitions. [2025-03-16 22:02:14,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2025-03-16 22:02:14,227 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 22:02:14,228 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 22:02:14,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-16 22:02:14,228 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 22:02:14,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 22:02:14,228 INFO L85 PathProgramCache]: Analyzing trace with hash 393861554, now seen corresponding path program 1 times [2025-03-16 22:02:14,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 22:02:14,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681807229] [2025-03-16 22:02:14,228 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 22:02:14,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 22:02:14,275 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 140 statements into 1 equivalence classes. [2025-03-16 22:02:14,298 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 140 of 140 statements. [2025-03-16 22:02:14,300 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:02:14,300 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 22:02:14,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 22:02:14,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 22:02:14,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681807229] [2025-03-16 22:02:14,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681807229] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 22:02:14,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 22:02:14,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-16 22:02:14,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307546931] [2025-03-16 22:02:14,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 22:02:14,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-16 22:02:14,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 22:02:14,474 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-16 22:02:14,475 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-16 22:02:14,475 INFO L87 Difference]: Start difference. First operand 3158 states and 4732 transitions. Second operand has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 22:02:15,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 22:02:15,652 INFO L93 Difference]: Finished difference Result 6185 states and 9268 transitions. [2025-03-16 22:02:15,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-16 22:02:15,653 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 140 [2025-03-16 22:02:15,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 22:02:15,662 INFO L225 Difference]: With dead ends: 6185 [2025-03-16 22:02:15,662 INFO L226 Difference]: Without dead ends: 3160 [2025-03-16 22:02:15,664 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-16 22:02:15,666 INFO L435 NwaCegarLoop]: 3939 mSDtfsCounter, 0 mSDsluCounter, 7865 mSDsCounter, 0 mSdLazyCounter, 2379 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11804 SdHoareTripleChecker+Invalid, 2379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-03-16 22:02:15,667 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11804 Invalid, 2379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2379 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-03-16 22:02:15,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3160 states. [2025-03-16 22:02:15,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3160 to 3160. [2025-03-16 22:02:15,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3160 states, 3159 states have (on average 1.4985754985754987) internal successors, (4734), 3159 states have internal predecessors, (4734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 22:02:15,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3160 states to 3160 states and 4734 transitions. [2025-03-16 22:02:15,713 INFO L78 Accepts]: Start accepts. Automaton has 3160 states and 4734 transitions. Word has length 140 [2025-03-16 22:02:15,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 22:02:15,713 INFO L471 AbstractCegarLoop]: Abstraction has 3160 states and 4734 transitions. [2025-03-16 22:02:15,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 22:02:15,713 INFO L276 IsEmpty]: Start isEmpty. Operand 3160 states and 4734 transitions. [2025-03-16 22:02:15,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2025-03-16 22:02:15,715 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 22:02:15,715 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 22:02:15,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-16 22:02:15,715 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 22:02:15,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 22:02:15,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1213173829, now seen corresponding path program 1 times [2025-03-16 22:02:15,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 22:02:15,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97729001] [2025-03-16 22:02:15,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 22:02:15,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 22:02:15,748 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes. [2025-03-16 22:02:15,771 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements. [2025-03-16 22:02:15,772 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:02:15,772 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 22:02:15,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 22:02:15,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 22:02:15,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97729001] [2025-03-16 22:02:15,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97729001] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 22:02:15,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 22:02:15,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-16 22:02:15,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589442519] [2025-03-16 22:02:15,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 22:02:15,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-16 22:02:15,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 22:02:15,917 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-16 22:02:15,917 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-16 22:02:15,917 INFO L87 Difference]: Start difference. First operand 3160 states and 4734 transitions. Second operand has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 22:02:17,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 22:02:17,028 INFO L93 Difference]: Finished difference Result 6195 states and 9280 transitions. [2025-03-16 22:02:17,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-16 22:02:17,028 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2025-03-16 22:02:17,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 22:02:17,039 INFO L225 Difference]: With dead ends: 6195 [2025-03-16 22:02:17,039 INFO L226 Difference]: Without dead ends: 3168 [2025-03-16 22:02:17,043 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-16 22:02:17,044 INFO L435 NwaCegarLoop]: 3939 mSDtfsCounter, 3 mSDsluCounter, 7865 mSDsCounter, 0 mSdLazyCounter, 2379 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 11804 SdHoareTripleChecker+Invalid, 2379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-16 22:02:17,045 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 11804 Invalid, 2379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2379 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-16 22:02:17,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3168 states. [2025-03-16 22:02:17,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3168 to 3164. [2025-03-16 22:02:17,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3164 states, 3163 states have (on average 1.4985773000316156) internal successors, (4740), 3163 states have internal predecessors, (4740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 22:02:17,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3164 states to 3164 states and 4740 transitions. [2025-03-16 22:02:17,102 INFO L78 Accepts]: Start accepts. Automaton has 3164 states and 4740 transitions. Word has length 141 [2025-03-16 22:02:17,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 22:02:17,103 INFO L471 AbstractCegarLoop]: Abstraction has 3164 states and 4740 transitions. [2025-03-16 22:02:17,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 22:02:17,103 INFO L276 IsEmpty]: Start isEmpty. Operand 3164 states and 4740 transitions. [2025-03-16 22:02:17,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2025-03-16 22:02:17,104 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 22:02:17,104 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 22:02:17,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-16 22:02:17,105 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 22:02:17,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 22:02:17,105 INFO L85 PathProgramCache]: Analyzing trace with hash -346514483, now seen corresponding path program 1 times [2025-03-16 22:02:17,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 22:02:17,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122376481] [2025-03-16 22:02:17,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 22:02:17,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 22:02:17,135 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-03-16 22:02:17,185 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-03-16 22:02:17,188 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:02:17,189 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 22:02:17,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 22:02:17,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 22:02:17,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122376481] [2025-03-16 22:02:17,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122376481] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 22:02:17,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 22:02:17,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-16 22:02:17,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191414803] [2025-03-16 22:02:17,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 22:02:17,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-16 22:02:17,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 22:02:17,376 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-16 22:02:17,376 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-16 22:02:17,376 INFO L87 Difference]: Start difference. First operand 3164 states and 4740 transitions. Second operand has 6 states, 6 states have (on average 23.666666666666668) internal successors, (142), 5 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 22:02:20,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 22:02:20,844 INFO L93 Difference]: Finished difference Result 13316 states and 19950 transitions. [2025-03-16 22:02:20,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-16 22:02:20,846 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.666666666666668) internal successors, (142), 5 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 142 [2025-03-16 22:02:20,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 22:02:20,861 INFO L225 Difference]: With dead ends: 13316 [2025-03-16 22:02:20,861 INFO L226 Difference]: Without dead ends: 5711 [2025-03-16 22:02:20,871 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-16 22:02:20,872 INFO L435 NwaCegarLoop]: 3743 mSDtfsCounter, 13186 mSDsluCounter, 13871 mSDsCounter, 0 mSdLazyCounter, 6000 mSolverCounterSat, 426 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13186 SdHoareTripleChecker+Valid, 17614 SdHoareTripleChecker+Invalid, 6426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 426 IncrementalHoareTripleChecker+Valid, 6000 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2025-03-16 22:02:20,872 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13186 Valid, 17614 Invalid, 6426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [426 Valid, 6000 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2025-03-16 22:02:20,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5711 states. [2025-03-16 22:02:20,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5711 to 3278. [2025-03-16 22:02:20,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3278 states, 3277 states have (on average 1.4983216356423559) internal successors, (4910), 3277 states have internal predecessors, (4910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 22:02:20,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3278 states to 3278 states and 4910 transitions. [2025-03-16 22:02:20,941 INFO L78 Accepts]: Start accepts. Automaton has 3278 states and 4910 transitions. Word has length 142 [2025-03-16 22:02:20,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 22:02:20,941 INFO L471 AbstractCegarLoop]: Abstraction has 3278 states and 4910 transitions. [2025-03-16 22:02:20,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.666666666666668) internal successors, (142), 5 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 22:02:20,941 INFO L276 IsEmpty]: Start isEmpty. Operand 3278 states and 4910 transitions. [2025-03-16 22:02:20,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2025-03-16 22:02:20,942 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 22:02:20,942 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 22:02:20,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-16 22:02:20,943 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 22:02:20,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 22:02:20,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1953718479, now seen corresponding path program 1 times [2025-03-16 22:02:20,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 22:02:20,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178701019] [2025-03-16 22:02:20,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 22:02:20,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 22:02:20,974 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-03-16 22:02:21,011 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-03-16 22:02:21,011 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:02:21,011 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 22:02:21,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 22:02:21,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 22:02:21,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178701019] [2025-03-16 22:02:21,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178701019] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 22:02:21,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 22:02:21,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-16 22:02:21,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816700461] [2025-03-16 22:02:21,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 22:02:21,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-16 22:02:21,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 22:02:21,351 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-16 22:02:21,351 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-16 22:02:21,352 INFO L87 Difference]: Start difference. First operand 3278 states and 4910 transitions. Second operand has 5 states, 5 states have (on average 28.6) internal successors, (143), 4 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 22:02:24,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 22:02:24,798 INFO L93 Difference]: Finished difference Result 8742 states and 13095 transitions. [2025-03-16 22:02:24,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-16 22:02:24,798 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 4 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 143 [2025-03-16 22:02:24,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 22:02:24,812 INFO L225 Difference]: With dead ends: 8742 [2025-03-16 22:02:24,812 INFO L226 Difference]: Without dead ends: 5711 [2025-03-16 22:02:24,817 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-16 22:02:24,818 INFO L435 NwaCegarLoop]: 3001 mSDtfsCounter, 3877 mSDsluCounter, 8516 mSDsCounter, 0 mSdLazyCounter, 7196 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3877 SdHoareTripleChecker+Valid, 11517 SdHoareTripleChecker+Invalid, 7196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2025-03-16 22:02:24,818 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3877 Valid, 11517 Invalid, 7196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7196 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2025-03-16 22:02:24,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5711 states. [2025-03-16 22:02:24,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5711 to 3279. [2025-03-16 22:02:24,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3279 states, 3278 states have (on average 1.49816961561928) internal successors, (4911), 3278 states have internal predecessors, (4911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 22:02:24,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3279 states to 3279 states and 4911 transitions. [2025-03-16 22:02:24,876 INFO L78 Accepts]: Start accepts. Automaton has 3279 states and 4911 transitions. Word has length 143 [2025-03-16 22:02:24,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 22:02:24,876 INFO L471 AbstractCegarLoop]: Abstraction has 3279 states and 4911 transitions. [2025-03-16 22:02:24,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 4 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 22:02:24,877 INFO L276 IsEmpty]: Start isEmpty. Operand 3279 states and 4911 transitions. [2025-03-16 22:02:24,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2025-03-16 22:02:24,877 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 22:02:24,878 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 22:02:24,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-16 22:02:24,878 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 22:02:24,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 22:02:24,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1606863315, now seen corresponding path program 1 times [2025-03-16 22:02:24,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 22:02:24,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724276449] [2025-03-16 22:02:24,879 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 22:02:24,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 22:02:24,911 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-03-16 22:02:24,971 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-03-16 22:02:24,972 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:02:24,972 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 22:02:25,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 22:02:25,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 22:02:25,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724276449] [2025-03-16 22:02:25,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724276449] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 22:02:25,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 22:02:25,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-16 22:02:25,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554344662] [2025-03-16 22:02:25,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 22:02:25,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-16 22:02:25,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 22:02:25,175 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-16 22:02:25,175 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-16 22:02:25,175 INFO L87 Difference]: Start difference. First operand 3279 states and 4911 transitions. Second operand has 5 states, 5 states have (on average 28.8) internal successors, (144), 4 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 22:02:28,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 22:02:28,649 INFO L93 Difference]: Finished difference Result 9210 states and 13796 transitions. [2025-03-16 22:02:28,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-16 22:02:28,650 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 4 states have internal predecessors, (144), 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 144 [2025-03-16 22:02:28,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 22:02:28,663 INFO L225 Difference]: With dead ends: 9210 [2025-03-16 22:02:28,663 INFO L226 Difference]: Without dead ends: 6179 [2025-03-16 22:02:28,666 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-16 22:02:28,667 INFO L435 NwaCegarLoop]: 2882 mSDtfsCounter, 4577 mSDsluCounter, 8520 mSDsCounter, 0 mSdLazyCounter, 7311 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4577 SdHoareTripleChecker+Valid, 11402 SdHoareTripleChecker+Invalid, 7312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2025-03-16 22:02:28,667 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4577 Valid, 11402 Invalid, 7312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7311 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2025-03-16 22:02:28,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6179 states. [2025-03-16 22:02:28,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6179 to 3287. [2025-03-16 22:02:28,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3287 states, 3286 states have (on average 1.4975654290931224) internal successors, (4921), 3286 states have internal predecessors, (4921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 22:02:28,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3287 states to 3287 states and 4921 transitions. [2025-03-16 22:02:28,725 INFO L78 Accepts]: Start accepts. Automaton has 3287 states and 4921 transitions. Word has length 144 [2025-03-16 22:02:28,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 22:02:28,726 INFO L471 AbstractCegarLoop]: Abstraction has 3287 states and 4921 transitions. [2025-03-16 22:02:28,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 4 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 22:02:28,726 INFO L276 IsEmpty]: Start isEmpty. Operand 3287 states and 4921 transitions. [2025-03-16 22:02:28,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2025-03-16 22:02:28,727 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 22:02:28,728 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] [2025-03-16 22:02:28,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-16 22:02:28,728 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 22:02:28,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 22:02:28,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1123581268, now seen corresponding path program 1 times [2025-03-16 22:02:28,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 22:02:28,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604977292] [2025-03-16 22:02:28,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 22:02:28,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 22:02:28,768 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 145 statements into 1 equivalence classes. [2025-03-16 22:02:28,808 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 145 of 145 statements. [2025-03-16 22:02:28,809 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:02:28,809 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 22:02:29,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 22:02:29,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 22:02:29,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604977292] [2025-03-16 22:02:29,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604977292] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 22:02:29,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 22:02:29,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-16 22:02:29,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389261078] [2025-03-16 22:02:29,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 22:02:29,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-16 22:02:29,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 22:02:29,218 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-16 22:02:29,218 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-16 22:02:29,219 INFO L87 Difference]: Start difference. First operand 3287 states and 4921 transitions. Second operand has 6 states, 6 states have (on average 24.166666666666668) internal successors, (145), 5 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 22:02:32,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 22:02:32,180 INFO L93 Difference]: Finished difference Result 6333 states and 9483 transitions. [2025-03-16 22:02:32,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-16 22:02:32,180 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.166666666666668) internal successors, (145), 5 states have internal predecessors, (145), 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 145 [2025-03-16 22:02:32,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 22:02:32,186 INFO L225 Difference]: With dead ends: 6333 [2025-03-16 22:02:32,186 INFO L226 Difference]: Without dead ends: 3302 [2025-03-16 22:02:32,188 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2025-03-16 22:02:32,188 INFO L435 NwaCegarLoop]: 2870 mSDtfsCounter, 4612 mSDsluCounter, 8598 mSDsCounter, 0 mSdLazyCounter, 7443 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4612 SdHoareTripleChecker+Valid, 11468 SdHoareTripleChecker+Invalid, 7444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2025-03-16 22:02:32,189 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4612 Valid, 11468 Invalid, 7444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7443 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2025-03-16 22:02:32,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3302 states. [2025-03-16 22:02:32,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3302 to 3300. [2025-03-16 22:02:32,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3300 states, 3299 states have (on average 1.496210973022128) internal successors, (4936), 3299 states have internal predecessors, (4936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 22:02:32,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3300 states to 3300 states and 4936 transitions. [2025-03-16 22:02:32,229 INFO L78 Accepts]: Start accepts. Automaton has 3300 states and 4936 transitions. Word has length 145 [2025-03-16 22:02:32,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 22:02:32,230 INFO L471 AbstractCegarLoop]: Abstraction has 3300 states and 4936 transitions. [2025-03-16 22:02:32,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.166666666666668) internal successors, (145), 5 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 22:02:32,230 INFO L276 IsEmpty]: Start isEmpty. Operand 3300 states and 4936 transitions. [2025-03-16 22:02:32,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2025-03-16 22:02:32,231 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 22:02:32,231 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] [2025-03-16 22:02:32,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-16 22:02:32,231 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 22:02:32,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 22:02:32,232 INFO L85 PathProgramCache]: Analyzing trace with hash -133872395, now seen corresponding path program 1 times [2025-03-16 22:02:32,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 22:02:32,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001086474] [2025-03-16 22:02:32,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 22:02:32,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 22:02:32,266 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-03-16 22:02:32,291 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-03-16 22:02:32,292 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:02:32,292 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-16 22:02:32,292 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-16 22:02:32,310 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-03-16 22:02:32,333 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-03-16 22:02:32,334 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:02:32,334 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-16 22:02:32,416 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-16 22:02:32,416 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-16 22:02:32,417 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-16 22:02:32,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-16 22:02:32,424 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 22:02:32,520 WARN L310 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2025-03-16 22:02:32,542 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-16 22:02:32,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 10:02:32 BoogieIcfgContainer [2025-03-16 22:02:32,548 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-16 22:02:32,549 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-16 22:02:32,549 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-16 22:02:32,549 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-16 22:02:32,550 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 10:02:09" (3/4) ... [2025-03-16 22:02:32,551 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-16 22:02:32,552 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-16 22:02:32,552 INFO L158 Benchmark]: Toolchain (without parser) took 33702.07ms. Allocated memory was 142.6MB in the beginning and 788.5MB in the end (delta: 645.9MB). Free memory was 110.9MB in the beginning and 278.8MB in the end (delta: -168.0MB). Peak memory consumption was 479.7MB. Max. memory is 16.1GB. [2025-03-16 22:02:32,552 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 201.3MB. Free memory is still 124.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 22:02:32,553 INFO L158 Benchmark]: CACSL2BoogieTranslator took 657.55ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 110.9MB in the beginning and 83.9MB in the end (delta: 26.9MB). Peak memory consumption was 118.5MB. Max. memory is 16.1GB. [2025-03-16 22:02:32,553 INFO L158 Benchmark]: Boogie Procedure Inliner took 733.11ms. Allocated memory was 151.0MB in the beginning and 369.1MB in the end (delta: 218.1MB). Free memory was 83.9MB in the beginning and 168.9MB in the end (delta: -85.0MB). Peak memory consumption was 236.2MB. Max. memory is 16.1GB. [2025-03-16 22:02:32,554 INFO L158 Benchmark]: Boogie Preprocessor took 859.74ms. Allocated memory is still 369.1MB. Free memory was 168.9MB in the beginning and 129.5MB in the end (delta: 39.4MB). Peak memory consumption was 103.9MB. Max. memory is 16.1GB. [2025-03-16 22:02:32,554 INFO L158 Benchmark]: IcfgBuilder took 8711.53ms. Allocated memory was 369.1MB in the beginning and 788.5MB in the end (delta: 419.4MB). Free memory was 129.0MB in the beginning and 488.1MB in the end (delta: -359.1MB). Peak memory consumption was 493.3MB. Max. memory is 16.1GB. [2025-03-16 22:02:32,554 INFO L158 Benchmark]: TraceAbstraction took 22731.26ms. Allocated memory is still 788.5MB. Free memory was 488.1MB in the beginning and 278.9MB in the end (delta: 209.2MB). Peak memory consumption was 209.2MB. Max. memory is 16.1GB. [2025-03-16 22:02:32,554 INFO L158 Benchmark]: Witness Printer took 3.13ms. Allocated memory is still 788.5MB. Free memory was 278.9MB in the beginning and 278.8MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 22:02:32,555 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 201.3MB. Free memory is still 124.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 657.55ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 110.9MB in the beginning and 83.9MB in the end (delta: 26.9MB). Peak memory consumption was 118.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 733.11ms. Allocated memory was 151.0MB in the beginning and 369.1MB in the end (delta: 218.1MB). Free memory was 83.9MB in the beginning and 168.9MB in the end (delta: -85.0MB). Peak memory consumption was 236.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 859.74ms. Allocated memory is still 369.1MB. Free memory was 168.9MB in the beginning and 129.5MB in the end (delta: 39.4MB). Peak memory consumption was 103.9MB. Max. memory is 16.1GB. * IcfgBuilder took 8711.53ms. Allocated memory was 369.1MB in the beginning and 788.5MB in the end (delta: 419.4MB). Free memory was 129.0MB in the beginning and 488.1MB in the end (delta: -359.1MB). Peak memory consumption was 493.3MB. Max. memory is 16.1GB. * TraceAbstraction took 22731.26ms. Allocated memory is still 788.5MB. Free memory was 488.1MB in the beginning and 278.9MB in the end (delta: 209.2MB). Peak memory consumption was 209.2MB. Max. memory is 16.1GB. * Witness Printer took 3.13ms. Allocated memory is still 788.5MB. Free memory was 278.9MB in the beginning and 278.8MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 268, overapproximation of bitwiseAnd at line 298, overapproximation of bitwiseAnd at line 300. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L38] const SORT_2 var_5 = 0; [L39] const SORT_1 var_30 = 0; [L40] const SORT_4 var_73 = 1; [L41] const SORT_4 var_74 = 0; [L42] const SORT_2 var_86 = 2; [L43] const SORT_2 var_88 = 1; [L44] const SORT_2 var_90 = 0; [L45] const SORT_2 var_138 = 255; [L46] const SORT_2 var_147 = 24; [L47] const SORT_2 var_156 = 14; [L48] const SORT_2 var_165 = 6; [L49] const SORT_3 var_400 = 0; [L50] const SORT_4 var_433 = 24; [L51] const SORT_4 var_465 = 14; [L52] const SORT_4 var_497 = 6; [L54] SORT_1 input_85; [L55] SORT_1 input_87; [L56] SORT_1 input_89; [L57] SORT_1 input_91; [L58] SORT_1 input_97; [L59] SORT_1 input_100; [L60] SORT_1 input_101; [L61] SORT_1 input_102; [L62] SORT_1 input_103; [L63] SORT_1 input_109; [L64] SORT_1 input_112; [L65] SORT_1 input_113; [L66] SORT_1 input_114; [L67] SORT_1 input_115; [L68] SORT_1 input_121; [L69] SORT_1 input_124; [L70] SORT_1 input_125; [L71] SORT_1 input_126; [L72] SORT_1 input_127; [L73] SORT_1 input_133; [L74] SORT_1 input_136; [L75] SORT_1 input_137; [L76] SORT_1 input_145; [L77] SORT_1 input_146; [L78] SORT_1 input_154; [L79] SORT_1 input_155; [L80] SORT_1 input_163; [L81] SORT_1 input_164; [L82] SORT_1 input_179; [L83] SORT_1 input_181; [L84] SORT_1 input_200; [L85] SORT_1 input_202; [L86] SORT_1 input_221; [L87] SORT_1 input_223; [L88] SORT_1 input_242; [L89] SORT_1 input_244; [L90] SORT_1 input_256; [L91] SORT_1 input_273; [L92] SORT_1 input_290; [L93] SORT_1 input_307; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L95] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L96] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L97] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L97] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L98] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L99] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L100] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L101] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L102] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L102] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L103] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L103] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L104] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L104] SORT_2 state_24 = __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_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L105] SORT_2 state_26 = __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_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L106] SORT_2 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L107] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L107] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L108] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L109] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L110] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L111] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L112] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L113] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L114] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L114] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L115] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L116] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L116] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L117] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L118] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L119] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L120] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L120] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L121] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L121] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L122] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L122] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L123] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L124] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L124] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L125] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L125] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L126] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L126] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L127] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L127] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L129] SORT_2 init_7_arg_1 = var_5; [L130] state_6 = init_7_arg_1 [L131] SORT_2 init_9_arg_1 = var_5; [L132] state_8 = init_9_arg_1 [L133] SORT_2 init_11_arg_1 = var_5; [L134] state_10 = init_11_arg_1 [L135] SORT_2 init_13_arg_1 = var_5; [L136] state_12 = init_13_arg_1 [L137] SORT_2 init_15_arg_1 = var_5; [L138] state_14 = init_15_arg_1 [L139] SORT_2 init_17_arg_1 = var_5; [L140] state_16 = init_17_arg_1 [L141] SORT_2 init_19_arg_1 = var_5; [L142] state_18 = init_19_arg_1 [L143] SORT_2 init_21_arg_1 = var_5; [L144] state_20 = init_21_arg_1 [L145] SORT_2 init_23_arg_1 = var_5; [L146] state_22 = init_23_arg_1 [L147] SORT_2 init_25_arg_1 = var_5; [L148] state_24 = init_25_arg_1 [L149] SORT_2 init_27_arg_1 = var_5; [L150] state_26 = init_27_arg_1 [L151] SORT_2 init_29_arg_1 = var_5; [L152] state_28 = init_29_arg_1 [L153] SORT_1 init_32_arg_1 = var_30; [L154] state_31 = init_32_arg_1 [L155] SORT_1 init_34_arg_1 = var_30; [L156] state_33 = init_34_arg_1 [L157] SORT_1 init_36_arg_1 = var_30; [L158] state_35 = init_36_arg_1 [L159] SORT_1 init_38_arg_1 = var_30; [L160] state_37 = init_38_arg_1 [L161] SORT_1 init_40_arg_1 = var_30; [L162] state_39 = init_40_arg_1 [L163] SORT_1 init_42_arg_1 = var_30; [L164] state_41 = init_42_arg_1 [L165] SORT_1 init_44_arg_1 = var_30; [L166] state_43 = init_44_arg_1 [L167] SORT_1 init_46_arg_1 = var_30; [L168] state_45 = init_46_arg_1 [L169] SORT_1 init_48_arg_1 = var_30; [L170] state_47 = init_48_arg_1 [L171] SORT_1 init_50_arg_1 = var_30; [L172] state_49 = init_50_arg_1 [L173] SORT_1 init_52_arg_1 = var_30; [L174] state_51 = init_52_arg_1 [L175] SORT_1 init_54_arg_1 = var_30; [L176] state_53 = init_54_arg_1 [L177] SORT_1 init_56_arg_1 = var_30; [L178] state_55 = init_56_arg_1 [L179] SORT_1 init_58_arg_1 = var_30; [L180] state_57 = init_58_arg_1 [L181] SORT_1 init_60_arg_1 = var_30; [L182] state_59 = init_60_arg_1 [L183] SORT_1 init_62_arg_1 = var_30; [L184] state_61 = init_62_arg_1 [L185] SORT_1 init_64_arg_1 = var_30; [L186] state_63 = init_64_arg_1 [L187] SORT_1 init_66_arg_1 = var_30; [L188] state_65 = init_66_arg_1 [L189] SORT_1 init_68_arg_1 = var_30; [L190] state_67 = init_68_arg_1 [L191] SORT_1 init_70_arg_1 = var_30; [L192] state_69 = init_70_arg_1 [L193] SORT_1 init_72_arg_1 = var_30; [L194] state_71 = init_72_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L197] input_85 = __VERIFIER_nondet_uchar() [L198] EXPR input_85 & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L198] input_85 = input_85 & mask_SORT_1 [L199] input_87 = __VERIFIER_nondet_uchar() [L200] EXPR input_87 & mask_SORT_1 VAL [input_85=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L200] input_87 = input_87 & mask_SORT_1 [L201] input_89 = __VERIFIER_nondet_uchar() [L202] EXPR input_89 & mask_SORT_1 VAL [input_85=0, input_87=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L202] input_89 = input_89 & mask_SORT_1 [L203] input_91 = __VERIFIER_nondet_uchar() [L204] EXPR input_91 & mask_SORT_1 VAL [input_85=0, input_87=0, input_89=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L204] input_91 = input_91 & mask_SORT_1 [L205] input_97 = __VERIFIER_nondet_uchar() [L206] EXPR input_97 & mask_SORT_1 VAL [input_85=0, input_87=0, input_89=0, input_91=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L206] input_97 = input_97 & mask_SORT_1 [L207] input_100 = __VERIFIER_nondet_uchar() [L208] EXPR input_100 & mask_SORT_1 VAL [input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L208] input_100 = input_100 & mask_SORT_1 [L209] input_101 = __VERIFIER_nondet_uchar() [L210] EXPR input_101 & mask_SORT_1 VAL [input_100=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L210] input_101 = input_101 & mask_SORT_1 [L211] input_102 = __VERIFIER_nondet_uchar() [L212] EXPR input_102 & mask_SORT_1 VAL [input_100=0, input_101=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L212] input_102 = input_102 & mask_SORT_1 [L213] input_103 = __VERIFIER_nondet_uchar() [L214] EXPR input_103 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L214] input_103 = input_103 & mask_SORT_1 [L215] input_109 = __VERIFIER_nondet_uchar() [L216] EXPR input_109 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L216] input_109 = input_109 & mask_SORT_1 [L217] input_112 = __VERIFIER_nondet_uchar() [L218] EXPR input_112 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L218] input_112 = input_112 & mask_SORT_1 [L219] input_113 = __VERIFIER_nondet_uchar() [L220] EXPR input_113 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L220] input_113 = input_113 & mask_SORT_1 [L221] input_114 = __VERIFIER_nondet_uchar() [L222] EXPR input_114 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L222] input_114 = input_114 & mask_SORT_1 [L223] input_115 = __VERIFIER_nondet_uchar() [L224] EXPR input_115 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L224] input_115 = input_115 & mask_SORT_1 [L225] input_121 = __VERIFIER_nondet_uchar() [L226] EXPR input_121 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L226] input_121 = input_121 & mask_SORT_1 [L227] input_124 = __VERIFIER_nondet_uchar() [L228] EXPR input_124 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L228] input_124 = input_124 & mask_SORT_1 [L229] input_125 = __VERIFIER_nondet_uchar() [L230] EXPR input_125 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L230] input_125 = input_125 & mask_SORT_1 [L231] input_126 = __VERIFIER_nondet_uchar() [L232] EXPR input_126 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L232] input_126 = input_126 & mask_SORT_1 [L233] input_127 = __VERIFIER_nondet_uchar() [L234] EXPR input_127 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L234] input_127 = input_127 & mask_SORT_1 [L235] input_133 = __VERIFIER_nondet_uchar() [L236] EXPR input_133 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L236] input_133 = input_133 & mask_SORT_1 [L237] input_136 = __VERIFIER_nondet_uchar() [L238] EXPR input_136 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L238] input_136 = input_136 & mask_SORT_1 [L239] input_137 = __VERIFIER_nondet_uchar() [L240] EXPR input_137 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L240] input_137 = input_137 & mask_SORT_1 [L241] input_145 = __VERIFIER_nondet_uchar() [L242] EXPR input_145 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_137=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L242] input_145 = input_145 & mask_SORT_1 [L243] input_146 = __VERIFIER_nondet_uchar() [L244] EXPR input_146 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_137=0, input_145=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L244] input_146 = input_146 & mask_SORT_1 [L245] input_154 = __VERIFIER_nondet_uchar() [L246] EXPR input_154 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_137=0, input_145=0, input_146=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L246] input_154 = input_154 & mask_SORT_1 [L247] input_155 = __VERIFIER_nondet_uchar() [L248] EXPR input_155 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_137=0, input_145=0, input_146=0, input_154=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L248] input_155 = input_155 & mask_SORT_1 [L249] input_163 = __VERIFIER_nondet_uchar() [L250] EXPR input_163 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_137=0, input_145=0, input_146=0, input_154=0, input_155=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L250] input_163 = input_163 & mask_SORT_1 [L251] input_164 = __VERIFIER_nondet_uchar() [L252] EXPR input_164 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_137=0, input_145=0, input_146=0, input_154=0, input_155=0, input_163=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L252] input_164 = input_164 & mask_SORT_1 [L253] input_179 = __VERIFIER_nondet_uchar() [L254] input_181 = __VERIFIER_nondet_uchar() [L255] input_200 = __VERIFIER_nondet_uchar() [L256] input_202 = __VERIFIER_nondet_uchar() [L257] input_221 = __VERIFIER_nondet_uchar() [L258] input_223 = __VERIFIER_nondet_uchar() [L259] input_242 = __VERIFIER_nondet_uchar() [L260] input_244 = __VERIFIER_nondet_uchar() [L261] input_256 = __VERIFIER_nondet_uchar() [L262] input_273 = __VERIFIER_nondet_uchar() [L263] input_290 = __VERIFIER_nondet_uchar() [L264] input_307 = __VERIFIER_nondet_uchar() [L267] SORT_1 var_75_arg_0 = ~state_33; VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_137=0, input_145=0, input_146=0, input_154=0, input_155=0, input_163=0, input_164=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_75_arg_0=-1, var_86=2, var_88=1, var_90=0] [L268] EXPR var_75_arg_0 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_137=0, input_145=0, input_146=0, input_154=0, input_155=0, input_163=0, input_164=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L268] var_75_arg_0 = var_75_arg_0 & mask_SORT_1 [L269] SORT_4 var_75_arg_1 = var_73; [L270] SORT_4 var_75_arg_2 = var_74; [L271] SORT_4 var_75 = var_75_arg_0 ? var_75_arg_1 : var_75_arg_2; [L272] SORT_1 var_76_arg_0 = state_39; [L273] SORT_4 var_76_arg_1 = var_73; [L274] SORT_4 var_76_arg_2 = var_74; [L275] SORT_4 var_76 = var_76_arg_0 ? var_76_arg_1 : var_76_arg_2; [L276] SORT_4 var_77_arg_0 = var_75; [L277] SORT_4 var_77_arg_1 = var_76; [L278] SORT_4 var_77 = var_77_arg_0 + var_77_arg_1; [L279] SORT_1 var_78_arg_0 = state_45; [L280] SORT_4 var_78_arg_1 = var_73; [L281] SORT_4 var_78_arg_2 = var_74; [L282] SORT_4 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L283] SORT_4 var_79_arg_0 = var_77; [L284] SORT_4 var_79_arg_1 = var_78; [L285] SORT_4 var_79 = var_79_arg_0 + var_79_arg_1; [L286] SORT_1 var_80_arg_0 = state_51; [L287] SORT_4 var_80_arg_1 = var_73; [L288] SORT_4 var_80_arg_2 = var_74; [L289] SORT_4 var_80 = var_80_arg_0 ? var_80_arg_1 : var_80_arg_2; [L290] SORT_4 var_81_arg_0 = var_79; [L291] SORT_4 var_81_arg_1 = var_80; [L292] SORT_4 var_81 = var_81_arg_0 + var_81_arg_1; VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_137=0, input_145=0, input_146=0, input_154=0, input_155=0, input_163=0, input_164=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_81=0, var_86=2, var_88=1, var_90=0] [L293] EXPR var_81 & mask_SORT_4 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_137=0, input_145=0, input_146=0, input_154=0, input_155=0, input_163=0, input_164=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L293] var_81 = var_81 & mask_SORT_4 [L294] SORT_4 var_82_arg_0 = var_81; [L295] SORT_4 var_82_arg_1 = var_73; [L296] SORT_1 var_82 = var_82_arg_0 <= var_82_arg_1; [L297] SORT_1 var_83_arg_0 = ~state_71; VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_137=0, input_145=0, input_146=0, input_154=0, input_155=0, input_163=0, input_164=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_82=1, var_83_arg_0=-1, var_86=2, var_88=1, var_90=0] [L298] EXPR var_83_arg_0 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_137=0, input_145=0, input_146=0, input_154=0, input_155=0, input_163=0, input_164=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_82=1, var_86=2, var_88=1, var_90=0] [L298] var_83_arg_0 = var_83_arg_0 & mask_SORT_1 [L299] SORT_1 var_83_arg_1 = ~var_82; VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_137=0, input_145=0, input_146=0, input_154=0, input_155=0, input_163=0, input_164=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_83_arg_0=1, var_83_arg_1=-2, var_86=2, var_88=1, var_90=0] [L300] EXPR var_83_arg_1 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_137=0, input_145=0, input_146=0, input_154=0, input_155=0, input_163=0, input_164=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_83_arg_0=1, var_86=2, var_88=1, var_90=0] [L300] var_83_arg_1 = var_83_arg_1 & mask_SORT_1 [L301] EXPR var_83_arg_0 & var_83_arg_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_137=0, input_145=0, input_146=0, input_154=0, input_155=0, input_163=0, input_164=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L301] SORT_1 var_83 = var_83_arg_0 & var_83_arg_1; [L302] EXPR var_83 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_137=0, input_145=0, input_146=0, input_154=0, input_155=0, input_163=0, input_164=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L302] var_83 = var_83 & mask_SORT_1 [L303] SORT_1 bad_84_arg_0 = var_83; [L304] CALL __VERIFIER_assert(!(bad_84_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 3156 locations, 4731 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 22.6s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 18.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26255 SdHoareTripleChecker+Valid, 17.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26255 mSDsluCounter, 99230 SdHoareTripleChecker+Invalid, 14.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 70978 mSDsCounter, 428 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 37453 IncrementalHoareTripleChecker+Invalid, 37881 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 428 mSolverCounterUnsat, 28252 mSDtfsCounter, 37453 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3300occurred in iteration=8, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 8 MinimizatonAttempts, 7763 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 1278 NumberOfCodeBlocks, 1278 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1124 ConstructedInterpolants, 0 QuantifiedInterpolants, 3774 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-03-16 22:02:32,580 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.lann.6.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 e3e79e7da330266ce56daf5234acad11488eb453b66f5074926d34ef16c39523 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-16 22:02:34,477 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-16 22:02:34,556 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2025-03-16 22:02:34,561 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-16 22:02:34,561 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-16 22:02:34,577 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-16 22:02:34,577 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-16 22:02:34,577 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-16 22:02:34,577 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-16 22:02:34,577 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-16 22:02:34,577 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-16 22:02:34,577 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-16 22:02:34,578 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-16 22:02:34,578 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-16 22:02:34,578 INFO L153 SettingsManager]: * Use SBE=true [2025-03-16 22:02:34,578 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-16 22:02:34,578 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-16 22:02:34,578 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-16 22:02:34,578 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-16 22:02:34,578 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-16 22:02:34,578 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-16 22:02:34,578 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-16 22:02:34,578 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-16 22:02:34,578 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-16 22:02:34,578 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-16 22:02:34,578 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-16 22:02:34,580 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-16 22:02:34,580 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-16 22:02:34,580 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-16 22:02:34,580 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-16 22:02:34,581 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-16 22:02:34,581 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 22:02:34,581 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-16 22:02:34,581 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-16 22:02:34,581 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-16 22:02:34,581 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-16 22:02:34,581 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-16 22:02:34,581 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-16 22:02:34,581 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-16 22:02:34,582 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-16 22:02:34,582 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-16 22:02:34,582 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-16 22:02:34,582 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 -> e3e79e7da330266ce56daf5234acad11488eb453b66f5074926d34ef16c39523 [2025-03-16 22:02:34,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-16 22:02:34,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-16 22:02:34,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-16 22:02:34,843 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-16 22:02:34,843 INFO L274 PluginConnector]: CDTParser initialized [2025-03-16 22:02:34,845 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.6.prop1-func-interl.c [2025-03-16 22:02:36,028 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4fd884a6/b7542af314ad4ee38a2b8ddf14f7d837/FLAG65ac90622 [2025-03-16 22:02:36,358 INFO L384 CDTParser]: Found 1 translation units. [2025-03-16 22:02:36,359 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.6.prop1-func-interl.c [2025-03-16 22:02:36,373 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4fd884a6/b7542af314ad4ee38a2b8ddf14f7d837/FLAG65ac90622 [2025-03-16 22:02:36,385 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4fd884a6/b7542af314ad4ee38a2b8ddf14f7d837 [2025-03-16 22:02:36,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-16 22:02:36,389 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-16 22:02:36,390 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-16 22:02:36,390 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-16 22:02:36,393 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-16 22:02:36,394 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 10:02:36" (1/1) ... [2025-03-16 22:02:36,394 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23fdf8e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:02:36, skipping insertion in model container [2025-03-16 22:02:36,394 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 10:02:36" (1/1) ... [2025-03-16 22:02:36,433 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-16 22:02:36,582 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.lann.6.prop1-func-interl.c[1171,1184] [2025-03-16 22:02:36,867 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 22:02:36,877 INFO L200 MainTranslator]: Completed pre-run [2025-03-16 22:02:36,886 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.lann.6.prop1-func-interl.c[1171,1184] [2025-03-16 22:02:37,006 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 22:02:37,017 INFO L204 MainTranslator]: Completed translation [2025-03-16 22:02:37,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:02:37 WrapperNode [2025-03-16 22:02:37,019 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-16 22:02:37,019 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-16 22:02:37,019 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-16 22:02:37,019 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-16 22:02:37,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:02:37" (1/1) ... [2025-03-16 22:02:37,049 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:02:37" (1/1) ... [2025-03-16 22:02:37,136 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2438 [2025-03-16 22:02:37,137 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-16 22:02:37,137 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-16 22:02:37,137 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-16 22:02:37,137 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-16 22:02:37,144 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:02:37" (1/1) ... [2025-03-16 22:02:37,144 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:02:37" (1/1) ... [2025-03-16 22:02:37,156 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:02:37" (1/1) ... [2025-03-16 22:02:37,191 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-16 22:02:37,194 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:02:37" (1/1) ... [2025-03-16 22:02:37,195 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:02:37" (1/1) ... [2025-03-16 22:02:37,259 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:02:37" (1/1) ... [2025-03-16 22:02:37,264 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:02:37" (1/1) ... [2025-03-16 22:02:37,277 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:02:37" (1/1) ... [2025-03-16 22:02:37,295 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:02:37" (1/1) ... [2025-03-16 22:02:37,334 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-16 22:02:37,335 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-16 22:02:37,335 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-16 22:02:37,335 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-16 22:02:37,336 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:02:37" (1/1) ... [2025-03-16 22:02:37,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 22:02:37,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 22:02:37,368 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-16 22:02:37,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-16 22:02:37,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-16 22:02:37,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-16 22:02:37,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-16 22:02:37,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-16 22:02:37,751 INFO L256 CfgBuilder]: Building ICFG [2025-03-16 22:02:37,752 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-16 22:02:39,559 INFO L? ?]: Removed 115 outVars from TransFormulas that were not future-live. [2025-03-16 22:02:39,559 INFO L307 CfgBuilder]: Performing block encoding [2025-03-16 22:02:39,566 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-16 22:02:39,567 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-16 22:02:39,567 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 10:02:39 BoogieIcfgContainer [2025-03-16 22:02:39,567 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-16 22:02:39,569 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-16 22:02:39,569 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-16 22:02:39,572 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-16 22:02:39,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 10:02:36" (1/3) ... [2025-03-16 22:02:39,573 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70f09b66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 10:02:39, skipping insertion in model container [2025-03-16 22:02:39,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:02:37" (2/3) ... [2025-03-16 22:02:39,573 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70f09b66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 10:02:39, skipping insertion in model container [2025-03-16 22:02:39,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 10:02:39" (3/3) ... [2025-03-16 22:02:39,575 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.lann.6.prop1-func-interl.c [2025-03-16 22:02:39,585 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-16 22:02:39,586 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.lann.6.prop1-func-interl.c that has 1 procedures, 8 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-16 22:02:39,623 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-16 22:02:39,633 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;@6b21ed4e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-16 22:02:39,634 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-16 22:02:39,637 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.5) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 22:02:39,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-03-16 22:02:39,641 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 22:02:39,641 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-03-16 22:02:39,642 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 22:02:39,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 22:02:39,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1137951, now seen corresponding path program 1 times [2025-03-16 22:02:39,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-16 22:02:39,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1293095410] [2025-03-16 22:02:39,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 22:02:39,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-16 22:02:39,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 22:02:39,659 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-16 22:02:39,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-16 22:02:40,034 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-16 22:02:40,067 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-16 22:02:40,067 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:02:40,068 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 22:02:40,077 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 42 conjuncts are in the unsatisfiable core [2025-03-16 22:02:40,093 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-16 22:02:40,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 22:02:40,357 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-16 22:02:40,357 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-16 22:02:40,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1293095410] [2025-03-16 22:02:40,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1293095410] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 22:02:40,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 22:02:40,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-16 22:02:40,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701501396] [2025-03-16 22:02:40,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 22:02:40,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-16 22:02:40,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-16 22:02:40,376 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-16 22:02:40,377 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-16 22:02:40,378 INFO L87 Difference]: Start difference. First operand has 8 states, 6 states have (on average 1.5) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 22:02:40,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 22:02:40,516 INFO L93 Difference]: Finished difference Result 16 states and 21 transitions. [2025-03-16 22:02:40,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-16 22:02:40,517 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2025-03-16 22:02:40,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 22:02:40,521 INFO L225 Difference]: With dead ends: 16 [2025-03-16 22:02:40,521 INFO L226 Difference]: Without dead ends: 9 [2025-03-16 22:02:40,526 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-16 22:02:40,528 INFO L435 NwaCegarLoop]: 3 mSDtfsCounter, 2 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-16 22:02:40,530 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 8 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-16 22:02:40,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2025-03-16 22:02:40,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2025-03-16 22:02:40,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 22:02:40,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2025-03-16 22:02:40,553 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2025-03-16 22:02:40,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 22:02:40,553 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2025-03-16 22:02:40,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 22:02:40,554 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2025-03-16 22:02:40,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-16 22:02:40,554 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 22:02:40,554 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2025-03-16 22:02:40,562 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-16 22:02:40,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-16 22:02:40,756 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 22:02:40,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 22:02:40,757 INFO L85 PathProgramCache]: Analyzing trace with hash -458170295, now seen corresponding path program 1 times [2025-03-16 22:02:40,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-16 22:02:40,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [943126764] [2025-03-16 22:02:40,759 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 22:02:40,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-16 22:02:40,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 22:02:40,761 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-16 22:02:40,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-16 22:02:41,208 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-16 22:02:41,289 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-16 22:02:41,290 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:02:41,290 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 22:02:41,308 INFO L256 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 54 conjuncts are in the unsatisfiable core [2025-03-16 22:02:41,326 INFO L279 TraceCheckSpWp]: Computing forward predicates...