./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.2.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.2.prop1-func-interl.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e2e1277a4e15b81e294d84238cefc49b681b91d3951b2c7171a9be5fdd8da446 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 17:42:33,166 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 17:42:33,215 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-03 17:42:33,221 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 17:42:33,222 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 17:42:33,241 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 17:42:33,243 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 17:42:33,243 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 17:42:33,243 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 17:42:33,244 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 17:42:33,244 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 17:42:33,245 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 17:42:33,245 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 17:42:33,245 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 17:42:33,245 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 17:42:33,246 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 17:42:33,246 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 17:42:33,246 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-03 17:42:33,246 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 17:42:33,246 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 17:42:33,246 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 17:42:33,246 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 17:42:33,246 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 17:42:33,246 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 17:42:33,246 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 17:42:33,246 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 17:42:33,246 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 17:42:33,246 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 17:42:33,247 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 17:42:33,247 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 17:42:33,247 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 17:42:33,247 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 17:42:33,247 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 17:42:33,247 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 17:42:33,247 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-03 17:42:33,247 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-03 17:42:33,247 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 17:42:33,248 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 17:42:33,248 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 17:42:33,248 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 17:42:33,248 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 -> e2e1277a4e15b81e294d84238cefc49b681b91d3951b2c7171a9be5fdd8da446 [2025-03-03 17:42:33,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 17:42:33,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 17:42:33,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 17:42:33,502 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 17:42:33,503 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 17:42:33,504 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.2.prop1-func-interl.c [2025-03-03 17:42:34,652 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d49ae928/fe2a660a4a6f451a90aaa6ff114cfa6e/FLAGcdc131784 [2025-03-03 17:42:35,000 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 17:42:35,003 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.2.prop1-func-interl.c [2025-03-03 17:42:35,021 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d49ae928/fe2a660a4a6f451a90aaa6ff114cfa6e/FLAGcdc131784 [2025-03-03 17:42:35,229 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d49ae928/fe2a660a4a6f451a90aaa6ff114cfa6e [2025-03-03 17:42:35,231 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 17:42:35,233 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 17:42:35,234 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 17:42:35,234 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 17:42:35,237 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 17:42:35,238 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 05:42:35" (1/1) ... [2025-03-03 17:42:35,239 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11f39a0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:42:35, skipping insertion in model container [2025-03-03 17:42:35,240 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 05:42:35" (1/1) ... [2025-03-03 17:42:35,289 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 17:42:35,420 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.2.prop1-func-interl.c[1171,1184] [2025-03-03 17:42:35,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 17:42:35,719 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 17:42:35,727 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.2.prop1-func-interl.c[1171,1184] [2025-03-03 17:42:35,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 17:42:35,930 INFO L204 MainTranslator]: Completed translation [2025-03-03 17:42:35,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:42:35 WrapperNode [2025-03-03 17:42:35,931 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 17:42:35,932 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 17:42:35,932 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 17:42:35,932 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 17:42:35,936 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:42:35" (1/1) ... [2025-03-03 17:42:35,978 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:42:35" (1/1) ... [2025-03-03 17:42:36,545 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 8318 [2025-03-03 17:42:36,546 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 17:42:36,546 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 17:42:36,546 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 17:42:36,546 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 17:42:36,552 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:42:35" (1/1) ... [2025-03-03 17:42:36,552 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:42:35" (1/1) ... [2025-03-03 17:42:36,649 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:42:35" (1/1) ... [2025-03-03 17:42:36,860 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-03 17:42:36,862 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:42:35" (1/1) ... [2025-03-03 17:42:36,863 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:42:35" (1/1) ... [2025-03-03 17:42:37,067 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:42:35" (1/1) ... [2025-03-03 17:42:37,113 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:42:35" (1/1) ... [2025-03-03 17:42:37,162 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:42:35" (1/1) ... [2025-03-03 17:42:37,223 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:42:35" (1/1) ... [2025-03-03 17:42:37,343 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 17:42:37,349 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 17:42:37,349 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 17:42:37,349 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 17:42:37,350 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:42:35" (1/1) ... [2025-03-03 17:42:37,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 17:42:37,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 17:42:37,426 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-03 17:42:37,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-03 17:42:37,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 17:42:37,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-03 17:42:37,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 17:42:37,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 17:42:37,840 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 17:42:37,842 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 17:42:45,820 INFO L? ?]: Removed 4531 outVars from TransFormulas that were not future-live. [2025-03-03 17:42:45,820 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 17:42:46,027 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 17:42:46,027 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 17:42:46,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 05:42:46 BoogieIcfgContainer [2025-03-03 17:42:46,028 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 17:42:46,029 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 17:42:46,029 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 17:42:46,033 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 17:42:46,033 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 05:42:35" (1/3) ... [2025-03-03 17:42:46,033 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61e735e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 05:42:46, skipping insertion in model container [2025-03-03 17:42:46,033 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:42:35" (2/3) ... [2025-03-03 17:42:46,034 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61e735e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 05:42:46, skipping insertion in model container [2025-03-03 17:42:46,034 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 05:42:46" (3/3) ... [2025-03-03 17:42:46,034 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.lann.2.prop1-func-interl.c [2025-03-03 17:42:46,048 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 17:42:46,050 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.lann.2.prop1-func-interl.c that has 1 procedures, 2982 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-03 17:42:46,126 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 17:42:46,133 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;@369479ad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 17:42:46,134 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 17:42:46,145 INFO L276 IsEmpty]: Start isEmpty. Operand has 2982 states, 2980 states have (on average 1.4996644295302013) internal successors, (4469), 2981 states have internal predecessors, (4469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:42:46,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2025-03-03 17:42:46,153 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 17:42:46,154 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 17:42:46,154 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 17:42:46,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 17:42:46,159 INFO L85 PathProgramCache]: Analyzing trace with hash 564383160, now seen corresponding path program 1 times [2025-03-03 17:42:46,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 17:42:46,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452290764] [2025-03-03 17:42:46,165 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 17:42:46,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 17:42:46,276 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-03-03 17:42:46,415 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-03-03 17:42:46,417 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 17:42:46,418 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 17:42:47,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 17:42:47,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 17:42:47,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452290764] [2025-03-03 17:42:47,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452290764] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 17:42:47,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 17:42:47,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-03 17:42:47,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823415810] [2025-03-03 17:42:47,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 17:42:47,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-03 17:42:47,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 17:42:47,112 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-03 17:42:47,113 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-03 17:42:47,125 INFO L87 Difference]: Start difference. First operand has 2982 states, 2980 states have (on average 1.4996644295302013) internal successors, (4469), 2981 states have internal predecessors, (4469), 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 36.75) internal successors, (147), 4 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:42:48,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 17:42:48,443 INFO L93 Difference]: Finished difference Result 5813 states and 8715 transitions. [2025-03-03 17:42:48,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-03 17:42:48,444 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 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 147 [2025-03-03 17:42:48,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 17:42:48,462 INFO L225 Difference]: With dead ends: 5813 [2025-03-03 17:42:48,464 INFO L226 Difference]: Without dead ends: 2981 [2025-03-03 17:42:48,474 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-03 17:42:48,476 INFO L435 NwaCegarLoop]: 3720 mSDtfsCounter, 0 mSDsluCounter, 7435 mSDsCounter, 0 mSdLazyCounter, 2239 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11155 SdHoareTripleChecker+Invalid, 2239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-03-03 17:42:48,479 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11155 Invalid, 2239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2239 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-03-03 17:42:48,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2981 states. [2025-03-03 17:42:48,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2981 to 2981. [2025-03-03 17:42:48,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2981 states, 2980 states have (on average 1.498993288590604) internal successors, (4467), 2980 states have internal predecessors, (4467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:42:48,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2981 states to 2981 states and 4467 transitions. [2025-03-03 17:42:48,608 INFO L78 Accepts]: Start accepts. Automaton has 2981 states and 4467 transitions. Word has length 147 [2025-03-03 17:42:48,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 17:42:48,610 INFO L471 AbstractCegarLoop]: Abstraction has 2981 states and 4467 transitions. [2025-03-03 17:42:48,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:42:48,610 INFO L276 IsEmpty]: Start isEmpty. Operand 2981 states and 4467 transitions. [2025-03-03 17:42:48,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2025-03-03 17:42:48,613 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 17:42:48,613 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 17:42:48,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-03 17:42:48,613 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 17:42:48,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 17:42:48,614 INFO L85 PathProgramCache]: Analyzing trace with hash 320692625, now seen corresponding path program 1 times [2025-03-03 17:42:48,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 17:42:48,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91484062] [2025-03-03 17:42:48,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 17:42:48,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 17:42:48,657 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 148 statements into 1 equivalence classes. [2025-03-03 17:42:48,688 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 148 of 148 statements. [2025-03-03 17:42:48,689 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 17:42:48,689 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 17:42:48,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 17:42:48,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 17:42:48,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91484062] [2025-03-03 17:42:48,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91484062] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 17:42:48,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 17:42:48,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-03 17:42:48,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417902724] [2025-03-03 17:42:48,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 17:42:48,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-03 17:42:48,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 17:42:48,918 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-03 17:42:48,918 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-03 17:42:48,918 INFO L87 Difference]: Start difference. First operand 2981 states and 4467 transitions. Second operand has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:42:50,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 17:42:50,363 INFO L93 Difference]: Finished difference Result 5814 states and 8713 transitions. [2025-03-03 17:42:50,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-03 17:42:50,363 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 states have internal predecessors, (148), 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 148 [2025-03-03 17:42:50,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 17:42:50,372 INFO L225 Difference]: With dead ends: 5814 [2025-03-03 17:42:50,373 INFO L226 Difference]: Without dead ends: 2983 [2025-03-03 17:42:50,376 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-03 17:42:50,376 INFO L435 NwaCegarLoop]: 3720 mSDtfsCounter, 0 mSDsluCounter, 7432 mSDsCounter, 0 mSdLazyCounter, 2242 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11152 SdHoareTripleChecker+Invalid, 2242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-03-03 17:42:50,377 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11152 Invalid, 2242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2242 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-03-03 17:42:50,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2983 states. [2025-03-03 17:42:50,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2983 to 2983. [2025-03-03 17:42:50,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2983 states, 2982 states have (on average 1.4986586183769282) internal successors, (4469), 2982 states have internal predecessors, (4469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:42:50,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2983 states to 2983 states and 4469 transitions. [2025-03-03 17:42:50,434 INFO L78 Accepts]: Start accepts. Automaton has 2983 states and 4469 transitions. Word has length 148 [2025-03-03 17:42:50,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 17:42:50,435 INFO L471 AbstractCegarLoop]: Abstraction has 2983 states and 4469 transitions. [2025-03-03 17:42:50,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:42:50,435 INFO L276 IsEmpty]: Start isEmpty. Operand 2983 states and 4469 transitions. [2025-03-03 17:42:50,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2025-03-03 17:42:50,439 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 17:42:50,439 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 17:42:50,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-03 17:42:50,440 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 17:42:50,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 17:42:50,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1011916589, now seen corresponding path program 1 times [2025-03-03 17:42:50,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 17:42:50,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635781580] [2025-03-03 17:42:50,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 17:42:50,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 17:42:50,489 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 149 statements into 1 equivalence classes. [2025-03-03 17:42:50,511 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 149 of 149 statements. [2025-03-03 17:42:50,511 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 17:42:50,511 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 17:42:50,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 17:42:50,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 17:42:50,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635781580] [2025-03-03 17:42:50,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635781580] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 17:42:50,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 17:42:50,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-03 17:42:50,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353192160] [2025-03-03 17:42:50,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 17:42:50,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-03 17:42:50,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 17:42:50,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-03 17:42:50,737 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-03 17:42:50,737 INFO L87 Difference]: Start difference. First operand 2983 states and 4469 transitions. Second operand has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:42:51,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 17:42:51,840 INFO L93 Difference]: Finished difference Result 5822 states and 8723 transitions. [2025-03-03 17:42:51,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-03 17:42:51,840 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 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 149 [2025-03-03 17:42:51,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 17:42:51,848 INFO L225 Difference]: With dead ends: 5822 [2025-03-03 17:42:51,849 INFO L226 Difference]: Without dead ends: 2989 [2025-03-03 17:42:51,852 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-03 17:42:51,852 INFO L435 NwaCegarLoop]: 3720 mSDtfsCounter, 4 mSDsluCounter, 7427 mSDsCounter, 0 mSdLazyCounter, 2247 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 11147 SdHoareTripleChecker+Invalid, 2247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-03 17:42:51,853 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 11147 Invalid, 2247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2247 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-03 17:42:51,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2989 states. [2025-03-03 17:42:51,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2989 to 2989. [2025-03-03 17:42:51,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2989 states, 2988 states have (on average 1.498326639892905) internal successors, (4477), 2988 states have internal predecessors, (4477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:42:51,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2989 states to 2989 states and 4477 transitions. [2025-03-03 17:42:51,896 INFO L78 Accepts]: Start accepts. Automaton has 2989 states and 4477 transitions. Word has length 149 [2025-03-03 17:42:51,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 17:42:51,896 INFO L471 AbstractCegarLoop]: Abstraction has 2989 states and 4477 transitions. [2025-03-03 17:42:51,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:42:51,896 INFO L276 IsEmpty]: Start isEmpty. Operand 2989 states and 4477 transitions. [2025-03-03 17:42:51,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2025-03-03 17:42:51,897 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 17:42:51,897 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 17:42:51,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-03 17:42:51,898 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 17:42:51,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 17:42:51,898 INFO L85 PathProgramCache]: Analyzing trace with hash 2069403867, now seen corresponding path program 1 times [2025-03-03 17:42:51,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 17:42:51,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936402587] [2025-03-03 17:42:51,898 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 17:42:51,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 17:42:51,934 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 150 statements into 1 equivalence classes. [2025-03-03 17:42:51,950 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 150 of 150 statements. [2025-03-03 17:42:51,950 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 17:42:51,951 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 17:42:52,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 17:42:52,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 17:42:52,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936402587] [2025-03-03 17:42:52,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936402587] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 17:42:52,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 17:42:52,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-03 17:42:52,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643589411] [2025-03-03 17:42:52,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 17:42:52,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-03 17:42:52,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 17:42:52,187 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-03 17:42:52,187 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-03 17:42:52,188 INFO L87 Difference]: Start difference. First operand 2989 states and 4477 transitions. Second operand has 5 states, 5 states have (on average 30.0) internal successors, (150), 5 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:42:53,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 17:42:53,258 INFO L93 Difference]: Finished difference Result 5832 states and 8735 transitions. [2025-03-03 17:42:53,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-03 17:42:53,259 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.0) internal successors, (150), 5 states have internal predecessors, (150), 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 150 [2025-03-03 17:42:53,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 17:42:53,269 INFO L225 Difference]: With dead ends: 5832 [2025-03-03 17:42:53,270 INFO L226 Difference]: Without dead ends: 2993 [2025-03-03 17:42:53,273 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-03 17:42:53,274 INFO L435 NwaCegarLoop]: 3720 mSDtfsCounter, 0 mSDsluCounter, 7427 mSDsCounter, 0 mSdLazyCounter, 2248 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11147 SdHoareTripleChecker+Invalid, 2249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-03 17:42:53,275 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11147 Invalid, 2249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2248 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-03 17:42:53,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2993 states. [2025-03-03 17:42:53,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2993 to 2989. [2025-03-03 17:42:53,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2989 states, 2988 states have (on average 1.498326639892905) internal successors, (4477), 2988 states have internal predecessors, (4477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:42:53,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2989 states to 2989 states and 4477 transitions. [2025-03-03 17:42:53,319 INFO L78 Accepts]: Start accepts. Automaton has 2989 states and 4477 transitions. Word has length 150 [2025-03-03 17:42:53,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 17:42:53,320 INFO L471 AbstractCegarLoop]: Abstraction has 2989 states and 4477 transitions. [2025-03-03 17:42:53,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.0) internal successors, (150), 5 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:42:53,320 INFO L276 IsEmpty]: Start isEmpty. Operand 2989 states and 4477 transitions. [2025-03-03 17:42:53,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2025-03-03 17:42:53,321 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 17:42:53,321 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 17:42:53,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-03 17:42:53,321 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 17:42:53,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 17:42:53,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1615377646, now seen corresponding path program 1 times [2025-03-03 17:42:53,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 17:42:53,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947556861] [2025-03-03 17:42:53,322 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 17:42:53,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 17:42:53,353 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 151 statements into 1 equivalence classes. [2025-03-03 17:42:53,403 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 151 of 151 statements. [2025-03-03 17:42:53,403 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 17:42:53,403 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 17:42:53,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 17:42:53,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 17:42:53,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947556861] [2025-03-03 17:42:53,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947556861] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 17:42:53,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 17:42:53,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-03 17:42:53,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166419150] [2025-03-03 17:42:53,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 17:42:53,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-03 17:42:53,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 17:42:53,642 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-03 17:42:53,642 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-03 17:42:53,642 INFO L87 Difference]: Start difference. First operand 2989 states and 4477 transitions. Second operand has 6 states, 6 states have (on average 25.166666666666668) internal successors, (151), 6 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:42:56,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 17:42:56,664 INFO L93 Difference]: Finished difference Result 12437 states and 18631 transitions. [2025-03-03 17:42:56,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-03 17:42:56,664 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 25.166666666666668) internal successors, (151), 6 states have internal predecessors, (151), 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 151 [2025-03-03 17:42:56,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 17:42:56,678 INFO L225 Difference]: With dead ends: 12437 [2025-03-03 17:42:56,678 INFO L226 Difference]: Without dead ends: 5344 [2025-03-03 17:42:56,685 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-03 17:42:56,686 INFO L435 NwaCegarLoop]: 3540 mSDtfsCounter, 12242 mSDsluCounter, 13087 mSDsCounter, 0 mSdLazyCounter, 5648 mSolverCounterSat, 394 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12242 SdHoareTripleChecker+Valid, 16627 SdHoareTripleChecker+Invalid, 6042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 394 IncrementalHoareTripleChecker+Valid, 5648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2025-03-03 17:42:56,686 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12242 Valid, 16627 Invalid, 6042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [394 Valid, 5648 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2025-03-03 17:42:56,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5344 states. [2025-03-03 17:42:56,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5344 to 3103. [2025-03-03 17:42:56,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3103 states, 3102 states have (on average 1.498065764023211) internal successors, (4647), 3102 states have internal predecessors, (4647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:42:56,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3103 states to 3103 states and 4647 transitions. [2025-03-03 17:42:56,750 INFO L78 Accepts]: Start accepts. Automaton has 3103 states and 4647 transitions. Word has length 151 [2025-03-03 17:42:56,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 17:42:56,750 INFO L471 AbstractCegarLoop]: Abstraction has 3103 states and 4647 transitions. [2025-03-03 17:42:56,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.166666666666668) internal successors, (151), 6 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:42:56,750 INFO L276 IsEmpty]: Start isEmpty. Operand 3103 states and 4647 transitions. [2025-03-03 17:42:56,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2025-03-03 17:42:56,751 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 17:42:56,751 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 17:42:56,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-03 17:42:56,752 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 17:42:56,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 17:42:56,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1652135296, now seen corresponding path program 1 times [2025-03-03 17:42:56,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 17:42:56,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875552919] [2025-03-03 17:42:56,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 17:42:56,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 17:42:56,785 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 152 statements into 1 equivalence classes. [2025-03-03 17:42:56,815 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 152 of 152 statements. [2025-03-03 17:42:56,816 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 17:42:56,816 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 17:42:58,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 17:42:58,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 17:42:58,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875552919] [2025-03-03 17:42:58,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875552919] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 17:42:58,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 17:42:58,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-03 17:42:58,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311240645] [2025-03-03 17:42:58,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 17:42:58,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-03 17:42:58,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 17:42:58,506 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-03 17:42:58,506 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-03-03 17:42:58,506 INFO L87 Difference]: Start difference. First operand 3103 states and 4647 transitions. Second operand has 7 states, 7 states have (on average 21.714285714285715) internal successors, (152), 7 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:43:01,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 17:43:01,877 INFO L93 Difference]: Finished difference Result 8283 states and 12405 transitions. [2025-03-03 17:43:01,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-03 17:43:01,878 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 21.714285714285715) internal successors, (152), 7 states have internal predecessors, (152), 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 152 [2025-03-03 17:43:01,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 17:43:01,890 INFO L225 Difference]: With dead ends: 8283 [2025-03-03 17:43:01,890 INFO L226 Difference]: Without dead ends: 5444 [2025-03-03 17:43:01,893 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-03-03 17:43:01,894 INFO L435 NwaCegarLoop]: 2973 mSDtfsCounter, 7215 mSDsluCounter, 11649 mSDsCounter, 0 mSdLazyCounter, 6978 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7215 SdHoareTripleChecker+Valid, 14622 SdHoareTripleChecker+Invalid, 7006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 6978 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2025-03-03 17:43:01,894 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7215 Valid, 14622 Invalid, 7006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 6978 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2025-03-03 17:43:01,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5444 states. [2025-03-03 17:43:01,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5444 to 3106. [2025-03-03 17:43:01,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3106 states, 3105 states have (on average 1.4979066022544283) internal successors, (4651), 3105 states have internal predecessors, (4651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:43:01,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3106 states to 3106 states and 4651 transitions. [2025-03-03 17:43:01,958 INFO L78 Accepts]: Start accepts. Automaton has 3106 states and 4651 transitions. Word has length 152 [2025-03-03 17:43:01,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 17:43:01,958 INFO L471 AbstractCegarLoop]: Abstraction has 3106 states and 4651 transitions. [2025-03-03 17:43:01,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.714285714285715) internal successors, (152), 7 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:43:01,958 INFO L276 IsEmpty]: Start isEmpty. Operand 3106 states and 4651 transitions. [2025-03-03 17:43:01,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2025-03-03 17:43:01,959 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 17:43:01,959 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 17:43:01,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-03 17:43:01,960 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 17:43:01,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 17:43:01,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1731314447, now seen corresponding path program 1 times [2025-03-03 17:43:01,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 17:43:01,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74353797] [2025-03-03 17:43:01,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 17:43:01,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 17:43:01,992 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 153 statements into 1 equivalence classes. [2025-03-03 17:43:02,024 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 153 of 153 statements. [2025-03-03 17:43:02,025 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 17:43:02,026 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 17:43:02,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 17:43:02,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 17:43:02,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74353797] [2025-03-03 17:43:02,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74353797] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 17:43:02,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 17:43:02,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-03 17:43:02,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534860260] [2025-03-03 17:43:02,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 17:43:02,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-03 17:43:02,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 17:43:02,221 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-03 17:43:02,221 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-03 17:43:02,221 INFO L87 Difference]: Start difference. First operand 3106 states and 4651 transitions. Second operand has 5 states, 5 states have (on average 30.6) internal successors, (153), 5 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:43:05,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 17:43:05,510 INFO L93 Difference]: Finished difference Result 8653 states and 12960 transitions. [2025-03-03 17:43:05,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-03 17:43:05,511 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.6) internal successors, (153), 5 states have internal predecessors, (153), 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 153 [2025-03-03 17:43:05,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 17:43:05,526 INFO L225 Difference]: With dead ends: 8653 [2025-03-03 17:43:05,526 INFO L226 Difference]: Without dead ends: 5814 [2025-03-03 17:43:05,529 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-03 17:43:05,530 INFO L435 NwaCegarLoop]: 2726 mSDtfsCounter, 4306 mSDsluCounter, 8035 mSDsCounter, 0 mSdLazyCounter, 6876 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4306 SdHoareTripleChecker+Valid, 10761 SdHoareTripleChecker+Invalid, 6877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2025-03-03 17:43:05,530 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4306 Valid, 10761 Invalid, 6877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6876 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2025-03-03 17:43:05,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5814 states. [2025-03-03 17:43:05,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5814 to 3114. [2025-03-03 17:43:05,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3114 states, 3113 states have (on average 1.4972695149373594) internal successors, (4661), 3113 states have internal predecessors, (4661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:43:05,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3114 states to 3114 states and 4661 transitions. [2025-03-03 17:43:05,594 INFO L78 Accepts]: Start accepts. Automaton has 3114 states and 4661 transitions. Word has length 153 [2025-03-03 17:43:05,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 17:43:05,594 INFO L471 AbstractCegarLoop]: Abstraction has 3114 states and 4661 transitions. [2025-03-03 17:43:05,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.6) internal successors, (153), 5 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:43:05,595 INFO L276 IsEmpty]: Start isEmpty. Operand 3114 states and 4661 transitions. [2025-03-03 17:43:05,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2025-03-03 17:43:05,596 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 17:43:05,596 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 17:43:05,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-03 17:43:05,596 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 17:43:05,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 17:43:05,599 INFO L85 PathProgramCache]: Analyzing trace with hash 2002588368, now seen corresponding path program 1 times [2025-03-03 17:43:05,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 17:43:05,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691063662] [2025-03-03 17:43:05,599 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 17:43:05,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 17:43:05,633 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes. [2025-03-03 17:43:05,655 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements. [2025-03-03 17:43:05,656 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 17:43:05,657 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 17:43:05,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 17:43:05,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-03 17:43:05,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691063662] [2025-03-03 17:43:05,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691063662] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 17:43:05,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 17:43:05,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-03 17:43:05,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223850038] [2025-03-03 17:43:05,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 17:43:05,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-03 17:43:05,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-03 17:43:05,825 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-03 17:43:05,825 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-03 17:43:05,825 INFO L87 Difference]: Start difference. First operand 3114 states and 4661 transitions. Second operand has 5 states, 5 states have (on average 30.8) internal successors, (154), 5 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:43:08,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 17:43:08,008 INFO L93 Difference]: Finished difference Result 5953 states and 8914 transitions. [2025-03-03 17:43:08,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-03 17:43:08,008 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.8) internal successors, (154), 5 states have internal predecessors, (154), 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 154 [2025-03-03 17:43:08,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 17:43:08,012 INFO L225 Difference]: With dead ends: 5953 [2025-03-03 17:43:08,012 INFO L226 Difference]: Without dead ends: 3114 [2025-03-03 17:43:08,013 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-03 17:43:08,013 INFO L435 NwaCegarLoop]: 2717 mSDtfsCounter, 4322 mSDsluCounter, 5423 mSDsCounter, 0 mSdLazyCounter, 5239 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4322 SdHoareTripleChecker+Valid, 8140 SdHoareTripleChecker+Invalid, 5240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2025-03-03 17:43:08,013 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4322 Valid, 8140 Invalid, 5240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5239 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2025-03-03 17:43:08,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3114 states. [2025-03-03 17:43:08,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3114 to 3114. [2025-03-03 17:43:08,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3114 states, 3113 states have (on average 1.4959845807902346) internal successors, (4657), 3113 states have internal predecessors, (4657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:43:08,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3114 states to 3114 states and 4657 transitions. [2025-03-03 17:43:08,040 INFO L78 Accepts]: Start accepts. Automaton has 3114 states and 4657 transitions. Word has length 154 [2025-03-03 17:43:08,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 17:43:08,040 INFO L471 AbstractCegarLoop]: Abstraction has 3114 states and 4657 transitions. [2025-03-03 17:43:08,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.8) internal successors, (154), 5 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:43:08,041 INFO L276 IsEmpty]: Start isEmpty. Operand 3114 states and 4657 transitions. [2025-03-03 17:43:08,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2025-03-03 17:43:08,041 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 17:43:08,042 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 17:43:08,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-03 17:43:08,042 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 17:43:08,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 17:43:08,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1642164625, now seen corresponding path program 1 times [2025-03-03 17:43:08,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 17:43:08,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496962095] [2025-03-03 17:43:08,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 17:43:08,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 17:43:08,073 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 155 statements into 1 equivalence classes. [2025-03-03 17:43:08,104 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 155 of 155 statements. [2025-03-03 17:43:08,105 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 17:43:08,105 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 17:43:08,106 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-03 17:43:08,124 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 155 statements into 1 equivalence classes. [2025-03-03 17:43:08,146 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 155 of 155 statements. [2025-03-03 17:43:08,146 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 17:43:08,146 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 17:43:08,241 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-03 17:43:08,241 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-03 17:43:08,242 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-03 17:43:08,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-03 17:43:08,246 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-03 17:43:08,311 WARN L310 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2025-03-03 17:43:08,334 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-03 17:43:08,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 05:43:08 BoogieIcfgContainer [2025-03-03 17:43:08,339 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-03 17:43:08,340 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-03 17:43:08,340 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-03 17:43:08,340 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-03 17:43:08,341 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 05:42:46" (3/4) ... [2025-03-03 17:43:08,342 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-03 17:43:08,343 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-03 17:43:08,344 INFO L158 Benchmark]: Toolchain (without parser) took 33110.85ms. Allocated memory was 167.8MB in the beginning and 788.5MB in the end (delta: 620.8MB). Free memory was 121.5MB in the beginning and 453.2MB in the end (delta: -331.7MB). Peak memory consumption was 295.3MB. Max. memory is 16.1GB. [2025-03-03 17:43:08,344 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 201.3MB. Free memory is still 117.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 17:43:08,344 INFO L158 Benchmark]: CACSL2BoogieTranslator took 697.46ms. Allocated memory was 167.8MB in the beginning and 176.2MB in the end (delta: 8.4MB). Free memory was 120.5MB in the beginning and 103.0MB in the end (delta: 17.5MB). Peak memory consumption was 133.7MB. Max. memory is 16.1GB. [2025-03-03 17:43:08,345 INFO L158 Benchmark]: Boogie Procedure Inliner took 614.12ms. Allocated memory was 176.2MB in the beginning and 369.1MB in the end (delta: 192.9MB). Free memory was 103.0MB in the beginning and 172.1MB in the end (delta: -69.1MB). Peak memory consumption was 170.8MB. Max. memory is 16.1GB. [2025-03-03 17:43:08,345 INFO L158 Benchmark]: Boogie Preprocessor took 796.83ms. Allocated memory is still 369.1MB. Free memory was 172.1MB in the beginning and 139.5MB in the end (delta: 32.5MB). Peak memory consumption was 105.3MB. Max. memory is 16.1GB. [2025-03-03 17:43:08,345 INFO L158 Benchmark]: IcfgBuilder took 8679.18ms. Allocated memory was 369.1MB in the beginning and 755.0MB in the end (delta: 385.9MB). Free memory was 139.5MB in the beginning and 162.6MB in the end (delta: -23.1MB). Peak memory consumption was 481.7MB. Max. memory is 16.1GB. [2025-03-03 17:43:08,345 INFO L158 Benchmark]: TraceAbstraction took 22309.85ms. Allocated memory was 755.0MB in the beginning and 788.5MB in the end (delta: 33.6MB). Free memory was 158.5MB in the beginning and 453.3MB in the end (delta: -294.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 17:43:08,346 INFO L158 Benchmark]: Witness Printer took 3.10ms. Allocated memory is still 788.5MB. Free memory was 453.3MB in the beginning and 453.2MB in the end (delta: 44.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 17:43:08,347 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 201.3MB. Free memory is still 117.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 697.46ms. Allocated memory was 167.8MB in the beginning and 176.2MB in the end (delta: 8.4MB). Free memory was 120.5MB in the beginning and 103.0MB in the end (delta: 17.5MB). Peak memory consumption was 133.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 614.12ms. Allocated memory was 176.2MB in the beginning and 369.1MB in the end (delta: 192.9MB). Free memory was 103.0MB in the beginning and 172.1MB in the end (delta: -69.1MB). Peak memory consumption was 170.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 796.83ms. Allocated memory is still 369.1MB. Free memory was 172.1MB in the beginning and 139.5MB in the end (delta: 32.5MB). Peak memory consumption was 105.3MB. Max. memory is 16.1GB. * IcfgBuilder took 8679.18ms. Allocated memory was 369.1MB in the beginning and 755.0MB in the end (delta: 385.9MB). Free memory was 139.5MB in the beginning and 162.6MB in the end (delta: -23.1MB). Peak memory consumption was 481.7MB. Max. memory is 16.1GB. * TraceAbstraction took 22309.85ms. Allocated memory was 755.0MB in the beginning and 788.5MB in the end (delta: 33.6MB). Free memory was 158.5MB in the beginning and 453.3MB in the end (delta: -294.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.10ms. Allocated memory is still 788.5MB. Free memory was 453.3MB in the beginning and 453.2MB in the end (delta: 44.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 272, overapproximation of bitwiseAnd at line 302, overapproximation of bitwiseAnd at line 304. 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_38 = 0; [L40] const SORT_4 var_81 = 1; [L41] const SORT_4 var_82 = 0; [L42] const SORT_2 var_94 = 2; [L43] const SORT_2 var_96 = 1; [L44] const SORT_2 var_98 = 0; [L45] const SORT_2 var_165 = 255; [L46] const SORT_2 var_172 = 24; [L47] const SORT_2 var_179 = 14; [L48] const SORT_2 var_186 = 6; [L49] const SORT_3 var_327 = 0; [L50] const SORT_4 var_329 = 24; [L51] const SORT_4 var_351 = 14; [L52] const SORT_4 var_373 = 6; [L54] SORT_1 input_93; [L55] SORT_1 input_95; [L56] SORT_1 input_97; [L57] SORT_1 input_99; [L58] SORT_1 input_105; [L59] SORT_1 input_108; [L60] SORT_1 input_113; [L61] SORT_1 input_114; [L62] SORT_1 input_115; [L63] SORT_1 input_116; [L64] SORT_1 input_122; [L65] SORT_1 input_125; [L66] SORT_1 input_130; [L67] SORT_1 input_131; [L68] SORT_1 input_132; [L69] SORT_1 input_133; [L70] SORT_1 input_139; [L71] SORT_1 input_142; [L72] SORT_1 input_147; [L73] SORT_1 input_148; [L74] SORT_1 input_149; [L75] SORT_1 input_150; [L76] SORT_1 input_156; [L77] SORT_1 input_159; [L78] SORT_1 input_164; [L79] SORT_1 input_171; [L80] SORT_1 input_178; [L81] SORT_1 input_185; [L82] SORT_1 input_192; [L83] SORT_1 input_200; [L84] SORT_1 input_213; [L85] SORT_1 input_221; [L86] SORT_1 input_234; [L87] SORT_1 input_242; [L88] SORT_1 input_255; [L89] SORT_1 input_263; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_38=0, var_5=0, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L91] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_38=0, var_5=0, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L92] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_38=0, var_5=0, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L93] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_38=0, var_5=0, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L94] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_38=0, var_5=0, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L95] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_38=0, var_5=0, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L96] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L97] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_38=0, var_5=0, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L97] SORT_2 state_18 = __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_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_38=0, var_5=0, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L98] SORT_2 state_20 = __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_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_38=0, var_5=0, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L99] SORT_2 state_22 = __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_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_38=0, var_5=0, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L100] SORT_2 state_24 = __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_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_38=0, var_5=0, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L101] SORT_2 state_26 = __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_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_38=0, var_5=0, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L102] SORT_2 state_28 = __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_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_38=0, var_5=0, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L103] SORT_2 state_30 = __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_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_38=0, var_5=0, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L104] SORT_2 state_32 = __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_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_38=0, var_5=0, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L105] SORT_2 state_34 = __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_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_38=0, var_5=0, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L106] SORT_2 state_36 = __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_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_38=0, var_5=0, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L107] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_38=0, var_5=0, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L108] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_38=0, var_5=0, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L109] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_38=0, var_5=0, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L110] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_38=0, var_5=0, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L111] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_38=0, var_5=0, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L112] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_38=0, var_5=0, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L113] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L114] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_38=0, var_5=0, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L114] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_38=0, var_5=0, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L115] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L116] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_38=0, var_5=0, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L116] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_38=0, var_5=0, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L117] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_38=0, var_5=0, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L118] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_38=0, var_5=0, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L119] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L120] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_38=0, var_5=0, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L120] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L121] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_38=0, var_5=0, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L121] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L122] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_38=0, var_5=0, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L122] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_38=0, var_5=0, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L123] SORT_1 state_71 = __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_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_38=0, var_5=0, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L124] SORT_1 state_73 = __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_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_38=0, var_5=0, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L125] SORT_1 state_75 = __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_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_38=0, var_5=0, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L126] SORT_1 state_77 = __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_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_38=0, var_5=0, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L127] SORT_1 state_79 = __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_2 init_31_arg_1 = var_5; [L154] state_30 = init_31_arg_1 [L155] SORT_2 init_33_arg_1 = var_5; [L156] state_32 = init_33_arg_1 [L157] SORT_2 init_35_arg_1 = var_5; [L158] state_34 = init_35_arg_1 [L159] SORT_2 init_37_arg_1 = var_5; [L160] state_36 = init_37_arg_1 [L161] SORT_1 init_40_arg_1 = var_38; [L162] state_39 = init_40_arg_1 [L163] SORT_1 init_42_arg_1 = var_38; [L164] state_41 = init_42_arg_1 [L165] SORT_1 init_44_arg_1 = var_38; [L166] state_43 = init_44_arg_1 [L167] SORT_1 init_46_arg_1 = var_38; [L168] state_45 = init_46_arg_1 [L169] SORT_1 init_48_arg_1 = var_38; [L170] state_47 = init_48_arg_1 [L171] SORT_1 init_50_arg_1 = var_38; [L172] state_49 = init_50_arg_1 [L173] SORT_1 init_52_arg_1 = var_38; [L174] state_51 = init_52_arg_1 [L175] SORT_1 init_54_arg_1 = var_38; [L176] state_53 = init_54_arg_1 [L177] SORT_1 init_56_arg_1 = var_38; [L178] state_55 = init_56_arg_1 [L179] SORT_1 init_58_arg_1 = var_38; [L180] state_57 = init_58_arg_1 [L181] SORT_1 init_60_arg_1 = var_38; [L182] state_59 = init_60_arg_1 [L183] SORT_1 init_62_arg_1 = var_38; [L184] state_61 = init_62_arg_1 [L185] SORT_1 init_64_arg_1 = var_38; [L186] state_63 = init_64_arg_1 [L187] SORT_1 init_66_arg_1 = var_38; [L188] state_65 = init_66_arg_1 [L189] SORT_1 init_68_arg_1 = var_38; [L190] state_67 = init_68_arg_1 [L191] SORT_1 init_70_arg_1 = var_38; [L192] state_69 = init_70_arg_1 [L193] SORT_1 init_72_arg_1 = var_38; [L194] state_71 = init_72_arg_1 [L195] SORT_1 init_74_arg_1 = var_38; [L196] state_73 = init_74_arg_1 [L197] SORT_1 init_76_arg_1 = var_38; [L198] state_75 = init_76_arg_1 [L199] SORT_1 init_78_arg_1 = var_38; [L200] state_77 = init_78_arg_1 [L201] SORT_1 init_80_arg_1 = var_38; [L202] state_79 = init_80_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_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L205] input_93 = __VERIFIER_nondet_uchar() [L206] EXPR input_93 & 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_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L206] input_93 = input_93 & mask_SORT_1 [L207] input_95 = __VERIFIER_nondet_uchar() [L208] EXPR input_95 & mask_SORT_1 VAL [input_93=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L208] input_95 = input_95 & mask_SORT_1 [L209] input_97 = __VERIFIER_nondet_uchar() [L210] EXPR input_97 & mask_SORT_1 VAL [input_93=0, input_95=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_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L210] input_97 = input_97 & mask_SORT_1 [L211] input_99 = __VERIFIER_nondet_uchar() [L212] EXPR input_99 & mask_SORT_1 VAL [input_93=0, input_95=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_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L212] input_99 = input_99 & mask_SORT_1 [L213] input_105 = __VERIFIER_nondet_uchar() [L214] EXPR input_105 & mask_SORT_1 VAL [input_93=0, input_95=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L214] input_105 = input_105 & mask_SORT_1 [L215] input_108 = __VERIFIER_nondet_uchar() [L216] EXPR input_108 & mask_SORT_1 VAL [input_105=0, input_93=0, input_95=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L216] input_108 = input_108 & mask_SORT_1 [L217] input_113 = __VERIFIER_nondet_uchar() [L218] EXPR input_113 & mask_SORT_1 VAL [input_105=0, input_108=0, input_93=0, input_95=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L218] input_113 = input_113 & mask_SORT_1 [L219] input_114 = __VERIFIER_nondet_uchar() [L220] EXPR input_114 & mask_SORT_1 VAL [input_105=0, input_108=0, input_113=0, input_93=0, input_95=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L220] input_114 = input_114 & mask_SORT_1 [L221] input_115 = __VERIFIER_nondet_uchar() [L222] EXPR input_115 & mask_SORT_1 VAL [input_105=0, input_108=0, input_113=0, input_114=0, input_93=0, input_95=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L222] input_115 = input_115 & mask_SORT_1 [L223] input_116 = __VERIFIER_nondet_uchar() [L224] EXPR input_116 & mask_SORT_1 VAL [input_105=0, input_108=0, input_113=0, input_114=0, input_115=0, input_93=0, input_95=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L224] input_116 = input_116 & mask_SORT_1 [L225] input_122 = __VERIFIER_nondet_uchar() [L226] EXPR input_122 & mask_SORT_1 VAL [input_105=0, input_108=0, input_113=0, input_114=0, input_115=0, input_116=0, input_93=0, input_95=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L226] input_122 = input_122 & mask_SORT_1 [L227] input_125 = __VERIFIER_nondet_uchar() [L228] EXPR input_125 & mask_SORT_1 VAL [input_105=0, input_108=0, input_113=0, input_114=0, input_115=0, input_116=0, input_122=0, input_93=0, input_95=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L228] input_125 = input_125 & mask_SORT_1 [L229] input_130 = __VERIFIER_nondet_uchar() [L230] EXPR input_130 & mask_SORT_1 VAL [input_105=0, input_108=0, input_113=0, input_114=0, input_115=0, input_116=0, input_122=0, input_125=0, input_93=0, input_95=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L230] input_130 = input_130 & mask_SORT_1 [L231] input_131 = __VERIFIER_nondet_uchar() [L232] EXPR input_131 & mask_SORT_1 VAL [input_105=0, input_108=0, input_113=0, input_114=0, input_115=0, input_116=0, input_122=0, input_125=0, input_130=0, input_93=0, input_95=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L232] input_131 = input_131 & mask_SORT_1 [L233] input_132 = __VERIFIER_nondet_uchar() [L234] EXPR input_132 & mask_SORT_1 VAL [input_105=0, input_108=0, input_113=0, input_114=0, input_115=0, input_116=0, input_122=0, input_125=0, input_130=0, input_131=0, input_93=0, input_95=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L234] input_132 = input_132 & mask_SORT_1 [L235] input_133 = __VERIFIER_nondet_uchar() [L236] EXPR input_133 & mask_SORT_1 VAL [input_105=0, input_108=0, input_113=0, input_114=0, input_115=0, input_116=0, input_122=0, input_125=0, input_130=0, input_131=0, input_132=0, input_93=0, input_95=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L236] input_133 = input_133 & mask_SORT_1 [L237] input_139 = __VERIFIER_nondet_uchar() [L238] EXPR input_139 & mask_SORT_1 VAL [input_105=0, input_108=0, input_113=0, input_114=0, input_115=0, input_116=0, input_122=0, input_125=0, input_130=0, input_131=0, input_132=0, input_133=0, input_93=0, input_95=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L238] input_139 = input_139 & mask_SORT_1 [L239] input_142 = __VERIFIER_nondet_uchar() [L240] EXPR input_142 & mask_SORT_1 VAL [input_105=0, input_108=0, input_113=0, input_114=0, input_115=0, input_116=0, input_122=0, input_125=0, input_130=0, input_131=0, input_132=0, input_133=0, input_139=0, input_93=0, input_95=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L240] input_142 = input_142 & mask_SORT_1 [L241] input_147 = __VERIFIER_nondet_uchar() [L242] EXPR input_147 & mask_SORT_1 VAL [input_105=0, input_108=0, input_113=0, input_114=0, input_115=0, input_116=0, input_122=0, input_125=0, input_130=0, input_131=0, input_132=0, input_133=0, input_139=0, input_142=0, input_93=0, input_95=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L242] input_147 = input_147 & mask_SORT_1 [L243] input_148 = __VERIFIER_nondet_uchar() [L244] EXPR input_148 & mask_SORT_1 VAL [input_105=0, input_108=0, input_113=0, input_114=0, input_115=0, input_116=0, input_122=0, input_125=0, input_130=0, input_131=0, input_132=0, input_133=0, input_139=0, input_142=0, input_147=0, input_93=0, input_95=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L244] input_148 = input_148 & mask_SORT_1 [L245] input_149 = __VERIFIER_nondet_uchar() [L246] EXPR input_149 & mask_SORT_1 VAL [input_105=0, input_108=0, input_113=0, input_114=0, input_115=0, input_116=0, input_122=0, input_125=0, input_130=0, input_131=0, input_132=0, input_133=0, input_139=0, input_142=0, input_147=0, input_148=0, input_93=0, input_95=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L246] input_149 = input_149 & mask_SORT_1 [L247] input_150 = __VERIFIER_nondet_uchar() [L248] EXPR input_150 & mask_SORT_1 VAL [input_105=0, input_108=0, input_113=0, input_114=0, input_115=0, input_116=0, input_122=0, input_125=0, input_130=0, input_131=0, input_132=0, input_133=0, input_139=0, input_142=0, input_147=0, input_148=0, input_149=0, input_93=0, input_95=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L248] input_150 = input_150 & mask_SORT_1 [L249] input_156 = __VERIFIER_nondet_uchar() [L250] EXPR input_156 & mask_SORT_1 VAL [input_105=0, input_108=0, input_113=0, input_114=0, input_115=0, input_116=0, input_122=0, input_125=0, input_130=0, input_131=0, input_132=0, input_133=0, input_139=0, input_142=0, input_147=0, input_148=0, input_149=0, input_150=0, input_93=0, input_95=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L250] input_156 = input_156 & mask_SORT_1 [L251] input_159 = __VERIFIER_nondet_uchar() [L252] EXPR input_159 & mask_SORT_1 VAL [input_105=0, input_108=0, input_113=0, input_114=0, input_115=0, input_116=0, input_122=0, input_125=0, input_130=0, input_131=0, input_132=0, input_133=0, input_139=0, input_142=0, input_147=0, input_148=0, input_149=0, input_150=0, input_156=0, input_93=0, input_95=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L252] input_159 = input_159 & mask_SORT_1 [L253] input_164 = __VERIFIER_nondet_uchar() [L254] EXPR input_164 & mask_SORT_1 VAL [input_105=0, input_108=0, input_113=0, input_114=0, input_115=0, input_116=0, input_122=0, input_125=0, input_130=0, input_131=0, input_132=0, input_133=0, input_139=0, input_142=0, input_147=0, input_148=0, input_149=0, input_150=0, input_156=0, input_159=0, input_93=0, input_95=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L254] input_164 = input_164 & mask_SORT_1 [L255] input_171 = __VERIFIER_nondet_uchar() [L256] EXPR input_171 & mask_SORT_1 VAL [input_105=0, input_108=0, input_113=0, input_114=0, input_115=0, input_116=0, input_122=0, input_125=0, input_130=0, input_131=0, input_132=0, input_133=0, input_139=0, input_142=0, input_147=0, input_148=0, input_149=0, input_150=0, input_156=0, input_159=0, input_164=0, input_93=0, input_95=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L256] input_171 = input_171 & mask_SORT_1 [L257] input_178 = __VERIFIER_nondet_uchar() [L258] EXPR input_178 & mask_SORT_1 VAL [input_105=0, input_108=0, input_113=0, input_114=0, input_115=0, input_116=0, input_122=0, input_125=0, input_130=0, input_131=0, input_132=0, input_133=0, input_139=0, input_142=0, input_147=0, input_148=0, input_149=0, input_150=0, input_156=0, input_159=0, input_164=0, input_171=0, input_93=0, input_95=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L258] input_178 = input_178 & mask_SORT_1 [L259] input_185 = __VERIFIER_nondet_uchar() [L260] EXPR input_185 & mask_SORT_1 VAL [input_105=0, input_108=0, input_113=0, input_114=0, input_115=0, input_116=0, input_122=0, input_125=0, input_130=0, input_131=0, input_132=0, input_133=0, input_139=0, input_142=0, input_147=0, input_148=0, input_149=0, input_150=0, input_156=0, input_159=0, input_164=0, input_171=0, input_178=0, input_93=0, input_95=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L260] input_185 = input_185 & mask_SORT_1 [L261] input_192 = __VERIFIER_nondet_uchar() [L262] input_200 = __VERIFIER_nondet_uchar() [L263] input_213 = __VERIFIER_nondet_uchar() [L264] input_221 = __VERIFIER_nondet_uchar() [L265] input_234 = __VERIFIER_nondet_uchar() [L266] input_242 = __VERIFIER_nondet_uchar() [L267] input_255 = __VERIFIER_nondet_uchar() [L268] input_263 = __VERIFIER_nondet_uchar() [L271] SORT_1 var_83_arg_0 = ~state_41; VAL [input_105=0, input_108=0, input_113=0, input_114=0, input_115=0, input_116=0, input_122=0, input_125=0, input_130=0, input_131=0, input_132=0, input_133=0, input_139=0, input_142=0, input_147=0, input_148=0, input_149=0, input_150=0, input_156=0, input_159=0, input_164=0, input_171=0, input_178=0, input_185=0, input_93=0, input_95=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_81=1, var_82=0, var_83_arg_0=-1, var_94=2, var_96=1, var_98=0] [L272] EXPR var_83_arg_0 & mask_SORT_1 VAL [input_105=0, input_108=0, input_113=0, input_114=0, input_115=0, input_116=0, input_122=0, input_125=0, input_130=0, input_131=0, input_132=0, input_133=0, input_139=0, input_142=0, input_147=0, input_148=0, input_149=0, input_150=0, input_156=0, input_159=0, input_164=0, input_171=0, input_178=0, input_185=0, input_93=0, input_95=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L272] var_83_arg_0 = var_83_arg_0 & mask_SORT_1 [L273] SORT_4 var_83_arg_1 = var_81; [L274] SORT_4 var_83_arg_2 = var_82; [L275] SORT_4 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L276] SORT_1 var_84_arg_0 = state_47; [L277] SORT_4 var_84_arg_1 = var_81; [L278] SORT_4 var_84_arg_2 = var_82; [L279] SORT_4 var_84 = var_84_arg_0 ? var_84_arg_1 : var_84_arg_2; [L280] SORT_4 var_85_arg_0 = var_83; [L281] SORT_4 var_85_arg_1 = var_84; [L282] SORT_4 var_85 = var_85_arg_0 + var_85_arg_1; [L283] SORT_1 var_86_arg_0 = state_53; [L284] SORT_4 var_86_arg_1 = var_81; [L285] SORT_4 var_86_arg_2 = var_82; [L286] SORT_4 var_86 = var_86_arg_0 ? var_86_arg_1 : var_86_arg_2; [L287] SORT_4 var_87_arg_0 = var_85; [L288] SORT_4 var_87_arg_1 = var_86; [L289] SORT_4 var_87 = var_87_arg_0 + var_87_arg_1; [L290] SORT_1 var_88_arg_0 = state_59; [L291] SORT_4 var_88_arg_1 = var_81; [L292] SORT_4 var_88_arg_2 = var_82; [L293] SORT_4 var_88 = var_88_arg_0 ? var_88_arg_1 : var_88_arg_2; [L294] SORT_4 var_89_arg_0 = var_87; [L295] SORT_4 var_89_arg_1 = var_88; [L296] SORT_4 var_89 = var_89_arg_0 + var_89_arg_1; VAL [input_105=0, input_108=0, input_113=0, input_114=0, input_115=0, input_116=0, input_122=0, input_125=0, input_130=0, input_131=0, input_132=0, input_133=0, input_139=0, input_142=0, input_147=0, input_148=0, input_149=0, input_150=0, input_156=0, input_159=0, input_164=0, input_171=0, input_178=0, input_185=0, input_93=0, input_95=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_81=1, var_82=0, var_89=0, var_94=2, var_96=1, var_98=0] [L297] EXPR var_89 & mask_SORT_4 VAL [input_105=0, input_108=0, input_113=0, input_114=0, input_115=0, input_116=0, input_122=0, input_125=0, input_130=0, input_131=0, input_132=0, input_133=0, input_139=0, input_142=0, input_147=0, input_148=0, input_149=0, input_150=0, input_156=0, input_159=0, input_164=0, input_171=0, input_178=0, input_185=0, input_93=0, input_95=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L297] var_89 = var_89 & mask_SORT_4 [L298] SORT_4 var_90_arg_0 = var_89; [L299] SORT_4 var_90_arg_1 = var_81; [L300] SORT_1 var_90 = var_90_arg_0 <= var_90_arg_1; [L301] SORT_1 var_91_arg_0 = ~state_79; VAL [input_105=0, input_108=0, input_113=0, input_114=0, input_115=0, input_116=0, input_122=0, input_125=0, input_130=0, input_131=0, input_132=0, input_133=0, input_139=0, input_142=0, input_147=0, input_148=0, input_149=0, input_150=0, input_156=0, input_159=0, input_164=0, input_171=0, input_178=0, input_185=0, input_93=0, input_95=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_81=1, var_82=0, var_90=1, var_91_arg_0=-1, var_94=2, var_96=1, var_98=0] [L302] EXPR var_91_arg_0 & mask_SORT_1 VAL [input_105=0, input_108=0, input_113=0, input_114=0, input_115=0, input_116=0, input_122=0, input_125=0, input_130=0, input_131=0, input_132=0, input_133=0, input_139=0, input_142=0, input_147=0, input_148=0, input_149=0, input_150=0, input_156=0, input_159=0, input_164=0, input_171=0, input_178=0, input_185=0, input_93=0, input_95=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_81=1, var_82=0, var_90=1, var_94=2, var_96=1, var_98=0] [L302] var_91_arg_0 = var_91_arg_0 & mask_SORT_1 [L303] SORT_1 var_91_arg_1 = ~var_90; VAL [input_105=0, input_108=0, input_113=0, input_114=0, input_115=0, input_116=0, input_122=0, input_125=0, input_130=0, input_131=0, input_132=0, input_133=0, input_139=0, input_142=0, input_147=0, input_148=0, input_149=0, input_150=0, input_156=0, input_159=0, input_164=0, input_171=0, input_178=0, input_185=0, input_93=0, input_95=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_81=1, var_82=0, var_91_arg_0=1, var_91_arg_1=-2, var_94=2, var_96=1, var_98=0] [L304] EXPR var_91_arg_1 & mask_SORT_1 VAL [input_105=0, input_108=0, input_113=0, input_114=0, input_115=0, input_116=0, input_122=0, input_125=0, input_130=0, input_131=0, input_132=0, input_133=0, input_139=0, input_142=0, input_147=0, input_148=0, input_149=0, input_150=0, input_156=0, input_159=0, input_164=0, input_171=0, input_178=0, input_185=0, input_93=0, input_95=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_81=1, var_82=0, var_91_arg_0=1, var_94=2, var_96=1, var_98=0] [L304] var_91_arg_1 = var_91_arg_1 & mask_SORT_1 [L305] EXPR var_91_arg_0 & var_91_arg_1 VAL [input_105=0, input_108=0, input_113=0, input_114=0, input_115=0, input_116=0, input_122=0, input_125=0, input_130=0, input_131=0, input_132=0, input_133=0, input_139=0, input_142=0, input_147=0, input_148=0, input_149=0, input_150=0, input_156=0, input_159=0, input_164=0, input_171=0, input_178=0, input_185=0, input_93=0, input_95=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L305] SORT_1 var_91 = var_91_arg_0 & var_91_arg_1; [L306] EXPR var_91 & mask_SORT_1 VAL [input_105=0, input_108=0, input_113=0, input_114=0, input_115=0, input_116=0, input_122=0, input_125=0, input_130=0, input_131=0, input_132=0, input_133=0, input_139=0, input_142=0, input_147=0, input_148=0, input_149=0, input_150=0, input_156=0, input_159=0, input_164=0, input_171=0, input_178=0, input_185=0, input_93=0, input_95=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_165=255, var_172=24, var_179=14, var_186=6, var_327=0, var_329=24, var_351=14, var_373=6, var_81=1, var_82=0, var_94=2, var_96=1, var_98=0] [L306] var_91 = var_91 & mask_SORT_1 [L307] SORT_1 bad_92_arg_0 = var_91; [L308] CALL __VERIFIER_assert(!(bad_92_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 2982 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 22.2s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 17.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 28089 SdHoareTripleChecker+Valid, 15.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 28089 mSDsluCounter, 94751 SdHoareTripleChecker+Invalid, 13.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 67915 mSDsCounter, 425 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33717 IncrementalHoareTripleChecker+Invalid, 34142 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 425 mSolverCounterUnsat, 26836 mSDtfsCounter, 33717 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3114occurred in iteration=7, InterpolantAutomatonStates: 40, 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, 7283 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 1359 NumberOfCodeBlocks, 1359 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1196 ConstructedInterpolants, 0 QuantifiedInterpolants, 4763 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 [2025-03-03 17:43:08,369 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.2.prop1-func-interl.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e2e1277a4e15b81e294d84238cefc49b681b91d3951b2c7171a9be5fdd8da446 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 17:43:10,267 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 17:43:10,342 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2025-03-03 17:43:10,347 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 17:43:10,348 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 17:43:10,363 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 17:43:10,363 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 17:43:10,363 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 17:43:10,364 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 17:43:10,364 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 17:43:10,364 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 17:43:10,364 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 17:43:10,364 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 17:43:10,364 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 17:43:10,365 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 17:43:10,365 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 17:43:10,365 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 17:43:10,365 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 17:43:10,365 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 17:43:10,365 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 17:43:10,365 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 17:43:10,366 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-03 17:43:10,366 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-03 17:43:10,366 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-03 17:43:10,366 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 17:43:10,366 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 17:43:10,366 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 17:43:10,366 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 17:43:10,366 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 17:43:10,366 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 17:43:10,366 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 17:43:10,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 17:43:10,366 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 17:43:10,366 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 17:43:10,366 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 17:43:10,366 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 17:43:10,366 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-03 17:43:10,366 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-03 17:43:10,366 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 17:43:10,366 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 17:43:10,367 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 17:43:10,367 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 17:43:10,367 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 -> e2e1277a4e15b81e294d84238cefc49b681b91d3951b2c7171a9be5fdd8da446 [2025-03-03 17:43:10,595 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 17:43:10,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 17:43:10,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 17:43:10,602 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 17:43:10,602 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 17:43:10,603 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.2.prop1-func-interl.c [2025-03-03 17:43:11,772 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71c42ed02/2b889148ff454e8f8e0d6033047c711a/FLAG5e4722a6f [2025-03-03 17:43:12,119 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 17:43:12,119 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.2.prop1-func-interl.c [2025-03-03 17:43:12,133 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71c42ed02/2b889148ff454e8f8e0d6033047c711a/FLAG5e4722a6f [2025-03-03 17:43:12,348 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71c42ed02/2b889148ff454e8f8e0d6033047c711a [2025-03-03 17:43:12,350 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 17:43:12,351 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 17:43:12,352 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 17:43:12,352 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 17:43:12,355 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 17:43:12,355 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 05:43:12" (1/1) ... [2025-03-03 17:43:12,355 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46840c94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:43:12, skipping insertion in model container [2025-03-03 17:43:12,356 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 05:43:12" (1/1) ... [2025-03-03 17:43:12,399 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 17:43:12,530 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.2.prop1-func-interl.c[1171,1184] [2025-03-03 17:43:12,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 17:43:12,776 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 17:43:12,786 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.2.prop1-func-interl.c[1171,1184] [2025-03-03 17:43:12,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 17:43:12,980 INFO L204 MainTranslator]: Completed translation [2025-03-03 17:43:12,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:43:12 WrapperNode [2025-03-03 17:43:12,982 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 17:43:12,982 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 17:43:12,983 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 17:43:12,983 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 17:43:12,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:43:12" (1/1) ... [2025-03-03 17:43:13,019 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:43:12" (1/1) ... [2025-03-03 17:43:13,103 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2374 [2025-03-03 17:43:13,103 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 17:43:13,104 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 17:43:13,104 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 17:43:13,104 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 17:43:13,110 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:43:12" (1/1) ... [2025-03-03 17:43:13,111 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:43:12" (1/1) ... [2025-03-03 17:43:13,132 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:43:12" (1/1) ... [2025-03-03 17:43:13,172 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-03 17:43:13,175 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:43:12" (1/1) ... [2025-03-03 17:43:13,175 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:43:12" (1/1) ... [2025-03-03 17:43:13,210 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:43:12" (1/1) ... [2025-03-03 17:43:13,214 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:43:12" (1/1) ... [2025-03-03 17:43:13,251 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:43:12" (1/1) ... [2025-03-03 17:43:13,264 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:43:12" (1/1) ... [2025-03-03 17:43:13,283 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 17:43:13,284 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 17:43:13,284 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 17:43:13,284 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 17:43:13,288 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:43:12" (1/1) ... [2025-03-03 17:43:13,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 17:43:13,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 17:43:13,318 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-03 17:43:13,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-03 17:43:13,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 17:43:13,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-03 17:43:13,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 17:43:13,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 17:43:13,643 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 17:43:13,644 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 17:43:15,379 INFO L? ?]: Removed 117 outVars from TransFormulas that were not future-live. [2025-03-03 17:43:15,380 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 17:43:15,387 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 17:43:15,388 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 17:43:15,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 05:43:15 BoogieIcfgContainer [2025-03-03 17:43:15,388 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 17:43:15,390 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 17:43:15,390 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 17:43:15,394 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 17:43:15,394 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 05:43:12" (1/3) ... [2025-03-03 17:43:15,395 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a4f01f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 05:43:15, skipping insertion in model container [2025-03-03 17:43:15,395 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:43:12" (2/3) ... [2025-03-03 17:43:15,395 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a4f01f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 05:43:15, skipping insertion in model container [2025-03-03 17:43:15,395 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 05:43:15" (3/3) ... [2025-03-03 17:43:15,396 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.lann.2.prop1-func-interl.c [2025-03-03 17:43:15,407 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 17:43:15,408 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.lann.2.prop1-func-interl.c that has 1 procedures, 10 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-03 17:43:15,444 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 17:43:15,453 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;@6d7a165a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 17:43:15,454 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 17:43:15,457 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:43:15,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-03-03 17:43:15,461 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 17:43:15,461 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-03-03 17:43:15,462 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 17:43:15,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 17:43:15,467 INFO L85 PathProgramCache]: Analyzing trace with hash 38140359, now seen corresponding path program 1 times [2025-03-03 17:43:15,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 17:43:15,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1502896644] [2025-03-03 17:43:15,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 17:43:15,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 17:43:15,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 17:43:15,482 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-03 17:43:15,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-03 17:43:15,878 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-03 17:43:15,912 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-03 17:43:15,912 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 17:43:15,912 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 17:43:15,919 INFO L256 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 42 conjuncts are in the unsatisfiable core [2025-03-03 17:43:15,933 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-03 17:43:16,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-03 17:43:16,238 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-03 17:43:16,239 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-03 17:43:16,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1502896644] [2025-03-03 17:43:16,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1502896644] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-03 17:43:16,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-03 17:43:16,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-03 17:43:16,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486437908] [2025-03-03 17:43:16,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-03 17:43:16,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-03 17:43:16,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-03 17:43:16,258 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-03 17:43:16,259 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-03 17:43:16,260 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:43:16,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-03 17:43:16,436 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2025-03-03 17:43:16,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-03 17:43:16,438 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-03-03 17:43:16,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-03 17:43:16,442 INFO L225 Difference]: With dead ends: 18 [2025-03-03 17:43:16,442 INFO L226 Difference]: Without dead ends: 10 [2025-03-03 17:43:16,445 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-03 17:43:16,447 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-03 17:43:16,449 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-03 17:43:16,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2025-03-03 17:43:16,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2025-03-03 17:43:16,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:43:16,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2025-03-03 17:43:16,471 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2025-03-03 17:43:16,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-03 17:43:16,472 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2025-03-03 17:43:16,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-03 17:43:16,472 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2025-03-03 17:43:16,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-03-03 17:43:16,472 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 17:43:16,472 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2025-03-03 17:43:16,481 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-03 17:43:16,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 17:43:16,677 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 17:43:16,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 17:43:16,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1926026653, now seen corresponding path program 1 times [2025-03-03 17:43:16,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 17:43:16,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [329900779] [2025-03-03 17:43:16,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 17:43:16,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-03 17:43:16,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 17:43:16,681 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-03 17:43:16,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-03 17:43:17,092 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-03 17:43:17,180 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-03 17:43:17,180 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 17:43:17,180 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-03 17:43:17,196 INFO L256 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 54 conjuncts are in the unsatisfiable core [2025-03-03 17:43:17,213 INFO L279 TraceCheckSpWp]: Computing forward predicates...