./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 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.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-?-8fc3dc6-m [2025-03-16 22:00:47,206 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-16 22:00:47,254 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-16 22:00:47,258 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-16 22:00:47,260 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-16 22:00:47,278 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-16 22:00:47,280 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-16 22:00:47,280 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-16 22:00:47,280 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-16 22:00:47,280 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-16 22:00:47,280 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-16 22:00:47,281 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-16 22:00:47,281 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-16 22:00:47,281 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-16 22:00:47,281 INFO L153 SettingsManager]: * Use SBE=true [2025-03-16 22:00:47,282 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-16 22:00:47,282 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-16 22:00:47,282 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-16 22:00:47,282 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-16 22:00:47,282 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-16 22:00:47,282 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-16 22:00:47,282 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-16 22:00:47,282 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-16 22:00:47,282 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-16 22:00:47,282 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-16 22:00:47,283 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-16 22:00:47,283 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-16 22:00:47,283 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-16 22:00:47,283 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-16 22:00:47,283 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 22:00:47,283 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-16 22:00:47,283 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-16 22:00:47,284 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-16 22:00:47,284 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-16 22:00:47,284 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-16 22:00:47,284 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-16 22:00:47,284 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-16 22:00:47,284 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-16 22:00:47,284 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-16 22:00:47,284 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-16 22:00:47,284 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 [2025-03-16 22:00:47,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-16 22:00:47,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-16 22:00:47,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-16 22:00:47,507 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-16 22:00:47,507 INFO L274 PluginConnector]: CDTParser initialized [2025-03-16 22:00:47,508 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.2.prop1-func-interl.c [2025-03-16 22:00:48,578 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba7df91a7/376edb982c7d497982448412bac854a8/FLAG324027abf [2025-03-16 22:00:48,933 INFO L384 CDTParser]: Found 1 translation units. [2025-03-16 22:00:48,934 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.2.prop1-func-interl.c [2025-03-16 22:00:48,949 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba7df91a7/376edb982c7d497982448412bac854a8/FLAG324027abf [2025-03-16 22:00:49,159 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba7df91a7/376edb982c7d497982448412bac854a8 [2025-03-16 22:00:49,160 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-16 22:00:49,161 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-16 22:00:49,162 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-16 22:00:49,162 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-16 22:00:49,165 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-16 22:00:49,166 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 10:00:49" (1/1) ... [2025-03-16 22:00:49,166 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1574222b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:00:49, skipping insertion in model container [2025-03-16 22:00:49,166 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 10:00:49" (1/1) ... [2025-03-16 22:00:49,216 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-16 22:00:49,332 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] [2025-03-16 22:00:49,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 22:00:49,620 INFO L200 MainTranslator]: Completed pre-run [2025-03-16 22:00:49,628 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] [2025-03-16 22:00:49,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 22:00:49,815 INFO L204 MainTranslator]: Completed translation [2025-03-16 22:00:49,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:00:49 WrapperNode [2025-03-16 22:00:49,816 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-16 22:00:49,817 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-16 22:00:49,817 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-16 22:00:49,817 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-16 22:00:49,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:00:49" (1/1) ... [2025-03-16 22:00:49,910 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:00:49" (1/1) ... [2025-03-16 22:00:50,561 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 8318 [2025-03-16 22:00:50,562 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-16 22:00:50,562 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-16 22:00:50,562 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-16 22:00:50,562 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-16 22:00:50,569 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:00:49" (1/1) ... [2025-03-16 22:00:50,570 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:00:49" (1/1) ... [2025-03-16 22:00:50,693 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:00:49" (1/1) ... [2025-03-16 22:00:50,877 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-16 22:00:50,878 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:00:49" (1/1) ... [2025-03-16 22:00:50,878 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:00:49" (1/1) ... [2025-03-16 22:00:51,108 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:00:49" (1/1) ... [2025-03-16 22:00:51,158 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:00:49" (1/1) ... [2025-03-16 22:00:51,199 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:00:49" (1/1) ... [2025-03-16 22:00:51,264 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:00:49" (1/1) ... [2025-03-16 22:00:51,391 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-16 22:00:51,401 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-16 22:00:51,401 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-16 22:00:51,401 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-16 22:00:51,402 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:00:49" (1/1) ... [2025-03-16 22:00:51,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 22:00:51,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 22:00:51,430 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-16 22:00:51,431 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 [2025-03-16 22:00:51,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-16 22:00:51,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-16 22:00:51,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-16 22:00:51,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-16 22:00:51,813 INFO L256 CfgBuilder]: Building ICFG [2025-03-16 22:00:51,815 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-16 22:00:59,611 INFO L? ?]: Removed 4529 outVars from TransFormulas that were not future-live. [2025-03-16 22:00:59,611 INFO L307 CfgBuilder]: Performing block encoding [2025-03-16 22:00:59,792 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-16 22:00:59,793 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-16 22:00:59,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 10:00:59 BoogieIcfgContainer [2025-03-16 22:00:59,793 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-16 22:00:59,795 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-16 22:00:59,795 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-16 22:00:59,799 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-16 22:00:59,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 10:00:49" (1/3) ... [2025-03-16 22:00:59,799 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ea93ae6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 10:00:59, skipping insertion in model container [2025-03-16 22:00:59,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:00:49" (2/3) ... [2025-03-16 22:00:59,800 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ea93ae6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 10:00:59, skipping insertion in model container [2025-03-16 22:00:59,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 10:00:59" (3/3) ... [2025-03-16 22:00:59,801 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.lann.2.prop1-func-interl.c [2025-03-16 22:00:59,814 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-16 22:00:59,815 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.lann.2.prop1-func-interl.c that has 1 procedures, 2980 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-16 22:00:59,910 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-16 22:00:59,922 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;@234feab7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-16 22:00:59,922 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-16 22:00:59,934 INFO L276 IsEmpty]: Start isEmpty. Operand has 2980 states, 2978 states have (on average 1.5) internal successors, (4467), 2979 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) [2025-03-16 22:00:59,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2025-03-16 22:00:59,946 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 22:00:59,946 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 22:00:59,947 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 22:00:59,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 22:00:59,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1174750015, now seen corresponding path program 1 times [2025-03-16 22:00:59,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 22:00:59,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827239781] [2025-03-16 22:00:59,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 22:00:59,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 22:01:00,067 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-03-16 22:01:00,184 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-03-16 22:01:00,184 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:01:00,184 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 22:01:00,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 22:01:00,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 22:01:00,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827239781] [2025-03-16 22:01:00,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827239781] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 22:01:00,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 22:01:00,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-16 22:01:00,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851761026] [2025-03-16 22:01:00,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 22:01:00,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-16 22:01:00,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 22:01:00,860 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-16 22:01:00,861 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-16 22:01:00,866 INFO L87 Difference]: Start difference. First operand has 2980 states, 2978 states have (on average 1.5) internal successors, (4467), 2979 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) Second operand has 4 states, 4 states have (on average 36.5) internal successors, (146), 4 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 22:01:02,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 22:01:02,160 INFO L93 Difference]: Finished difference Result 5811 states and 8713 transitions. [2025-03-16 22:01:02,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-16 22:01:02,162 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.5) internal successors, (146), 4 states have internal predecessors, (146), 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 146 [2025-03-16 22:01:02,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 22:01:02,187 INFO L225 Difference]: With dead ends: 5811 [2025-03-16 22:01:02,187 INFO L226 Difference]: Without dead ends: 2980 [2025-03-16 22:01:02,194 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-16 22:01:02,197 INFO L435 NwaCegarLoop]: 3719 mSDtfsCounter, 0 mSDsluCounter, 7433 mSDsCounter, 0 mSdLazyCounter, 2239 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11152 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 [2025-03-16 22:01:02,198 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11152 Invalid, 2239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2239 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-03-16 22:01:02,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2980 states. [2025-03-16 22:01:02,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2980 to 2980. [2025-03-16 22:01:02,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2980 states, 2979 states have (on average 1.4991607922121517) internal successors, (4466), 2979 states have internal predecessors, (4466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 22:01:02,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2980 states to 2980 states and 4466 transitions. [2025-03-16 22:01:02,319 INFO L78 Accepts]: Start accepts. Automaton has 2980 states and 4466 transitions. Word has length 146 [2025-03-16 22:01:02,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 22:01:02,319 INFO L471 AbstractCegarLoop]: Abstraction has 2980 states and 4466 transitions. [2025-03-16 22:01:02,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.5) internal successors, (146), 4 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 22:01:02,320 INFO L276 IsEmpty]: Start isEmpty. Operand 2980 states and 4466 transitions. [2025-03-16 22:01:02,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2025-03-16 22:01:02,324 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 22:01:02,324 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] [2025-03-16 22:01:02,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-16 22:01:02,324 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 22:01:02,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 22:01:02,325 INFO L85 PathProgramCache]: Analyzing trace with hash 2062195944, now seen corresponding path program 1 times [2025-03-16 22:01:02,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 22:01:02,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454285706] [2025-03-16 22:01:02,326 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 22:01:02,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 22:01:02,370 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-03-16 22:01:02,400 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-03-16 22:01:02,400 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:01:02,400 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 22:01:02,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 22:01:02,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 22:01:02,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454285706] [2025-03-16 22:01:02,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454285706] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 22:01:02,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 22:01:02,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-16 22:01:02,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744573690] [2025-03-16 22:01:02,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 22:01:02,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-16 22:01:02,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 22:01:02,601 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-16 22:01:02,601 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-16 22:01:02,602 INFO L87 Difference]: Start difference. First operand 2980 states and 4466 transitions. 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) [2025-03-16 22:01:03,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 22:01:03,742 INFO L93 Difference]: Finished difference Result 5813 states and 8712 transitions. [2025-03-16 22:01:03,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-16 22:01:03,742 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 [2025-03-16 22:01:03,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 22:01:03,752 INFO L225 Difference]: With dead ends: 5813 [2025-03-16 22:01:03,752 INFO L226 Difference]: Without dead ends: 2982 [2025-03-16 22:01:03,756 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-16 22:01:03,757 INFO L435 NwaCegarLoop]: 3719 mSDtfsCounter, 0 mSDsluCounter, 7430 mSDsCounter, 0 mSdLazyCounter, 2242 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11149 SdHoareTripleChecker+Invalid, 2242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-03-16 22:01:03,758 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11149 Invalid, 2242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2242 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-03-16 22:01:03,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2982 states. [2025-03-16 22:01:03,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2982 to 2982. [2025-03-16 22:01:03,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2982 states, 2981 states have (on average 1.4988258973498827) internal successors, (4468), 2981 states have internal predecessors, (4468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 22:01:03,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2982 states to 2982 states and 4468 transitions. [2025-03-16 22:01:03,812 INFO L78 Accepts]: Start accepts. Automaton has 2982 states and 4468 transitions. Word has length 147 [2025-03-16 22:01:03,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 22:01:03,813 INFO L471 AbstractCegarLoop]: Abstraction has 2982 states and 4468 transitions. [2025-03-16 22:01:03,813 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) [2025-03-16 22:01:03,813 INFO L276 IsEmpty]: Start isEmpty. Operand 2982 states and 4468 transitions. [2025-03-16 22:01:03,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2025-03-16 22:01:03,817 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 22:01:03,818 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] [2025-03-16 22:01:03,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-16 22:01:03,818 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 22:01:03,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 22:01:03,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1435078746, now seen corresponding path program 1 times [2025-03-16 22:01:03,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 22:01:03,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099450902] [2025-03-16 22:01:03,821 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 22:01:03,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 22:01:03,875 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 148 statements into 1 equivalence classes. [2025-03-16 22:01:03,903 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 148 of 148 statements. [2025-03-16 22:01:03,904 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:01:03,904 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 22:01:04,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 22:01:04,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 22:01:04,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099450902] [2025-03-16 22:01:04,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099450902] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 22:01:04,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 22:01:04,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-16 22:01:04,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248769173] [2025-03-16 22:01:04,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 22:01:04,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-16 22:01:04,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 22:01:04,084 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-16 22:01:04,084 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-16 22:01:04,085 INFO L87 Difference]: Start difference. First operand 2982 states and 4468 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) [2025-03-16 22:01:05,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 22:01:05,155 INFO L93 Difference]: Finished difference Result 5821 states and 8722 transitions. [2025-03-16 22:01:05,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-16 22:01:05,158 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 [2025-03-16 22:01:05,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 22:01:05,167 INFO L225 Difference]: With dead ends: 5821 [2025-03-16 22:01:05,168 INFO L226 Difference]: Without dead ends: 2988 [2025-03-16 22:01:05,172 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-16 22:01:05,172 INFO L435 NwaCegarLoop]: 3719 mSDtfsCounter, 4 mSDsluCounter, 7425 mSDsCounter, 0 mSdLazyCounter, 2247 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 11144 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 [2025-03-16 22:01:05,173 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 11144 Invalid, 2247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2247 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-16 22:01:05,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2988 states. [2025-03-16 22:01:05,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2988 to 2988. [2025-03-16 22:01:05,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2988 states, 2987 states have (on average 1.4984934717107465) internal successors, (4476), 2987 states have internal predecessors, (4476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 22:01:05,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2988 states to 2988 states and 4476 transitions. [2025-03-16 22:01:05,288 INFO L78 Accepts]: Start accepts. Automaton has 2988 states and 4476 transitions. Word has length 148 [2025-03-16 22:01:05,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 22:01:05,289 INFO L471 AbstractCegarLoop]: Abstraction has 2988 states and 4476 transitions. [2025-03-16 22:01:05,289 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) [2025-03-16 22:01:05,289 INFO L276 IsEmpty]: Start isEmpty. Operand 2988 states and 4476 transitions. [2025-03-16 22:01:05,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2025-03-16 22:01:05,290 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 22:01:05,290 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] [2025-03-16 22:01:05,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-16 22:01:05,290 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 22:01:05,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 22:01:05,291 INFO L85 PathProgramCache]: Analyzing trace with hash 616847922, now seen corresponding path program 1 times [2025-03-16 22:01:05,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 22:01:05,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682538766] [2025-03-16 22:01:05,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 22:01:05,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 22:01:05,321 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 149 statements into 1 equivalence classes. [2025-03-16 22:01:05,336 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 149 of 149 statements. [2025-03-16 22:01:05,336 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:01:05,336 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 22:01:05,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 22:01:05,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 22:01:05,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682538766] [2025-03-16 22:01:05,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682538766] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 22:01:05,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 22:01:05,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-16 22:01:05,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149125834] [2025-03-16 22:01:05,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 22:01:05,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-16 22:01:05,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 22:01:05,503 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-16 22:01:05,503 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-16 22:01:05,504 INFO L87 Difference]: Start difference. First operand 2988 states and 4476 transitions. Second operand has 5 states, 5 states have (on average 29.8) internal successors, (149), 5 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) [2025-03-16 22:01:06,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 22:01:06,849 INFO L93 Difference]: Finished difference Result 5831 states and 8734 transitions. [2025-03-16 22:01:06,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-16 22:01:06,850 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 5 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 [2025-03-16 22:01:06,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 22:01:06,858 INFO L225 Difference]: With dead ends: 5831 [2025-03-16 22:01:06,858 INFO L226 Difference]: Without dead ends: 2992 [2025-03-16 22:01:06,861 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 [2025-03-16 22:01:06,862 INFO L435 NwaCegarLoop]: 3719 mSDtfsCounter, 0 mSDsluCounter, 11129 mSDsCounter, 0 mSdLazyCounter, 3007 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14848 SdHoareTripleChecker+Invalid, 3008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3007 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-03-16 22:01:06,862 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14848 Invalid, 3008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3007 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-03-16 22:01:06,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2992 states. [2025-03-16 22:01:06,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2992 to 2988. [2025-03-16 22:01:06,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2988 states, 2987 states have (on average 1.4984934717107465) internal successors, (4476), 2987 states have internal predecessors, (4476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 22:01:06,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2988 states to 2988 states and 4476 transitions. [2025-03-16 22:01:06,906 INFO L78 Accepts]: Start accepts. Automaton has 2988 states and 4476 transitions. Word has length 149 [2025-03-16 22:01:06,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 22:01:06,906 INFO L471 AbstractCegarLoop]: Abstraction has 2988 states and 4476 transitions. [2025-03-16 22:01:06,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 5 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) [2025-03-16 22:01:06,907 INFO L276 IsEmpty]: Start isEmpty. Operand 2988 states and 4476 transitions. [2025-03-16 22:01:06,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2025-03-16 22:01:06,908 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 22:01:06,908 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] [2025-03-16 22:01:06,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-16 22:01:06,908 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 22:01:06,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 22:01:06,908 INFO L85 PathProgramCache]: Analyzing trace with hash -464183691, now seen corresponding path program 1 times [2025-03-16 22:01:06,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 22:01:06,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420959601] [2025-03-16 22:01:06,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 22:01:06,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 22:01:06,941 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 150 statements into 1 equivalence classes. [2025-03-16 22:01:06,976 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 150 of 150 statements. [2025-03-16 22:01:06,977 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:01:06,977 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 22:01:07,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 22:01:07,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 22:01:07,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420959601] [2025-03-16 22:01:07,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420959601] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 22:01:07,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 22:01:07,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-16 22:01:07,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260279024] [2025-03-16 22:01:07,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 22:01:07,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-16 22:01:07,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 22:01:07,171 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-16 22:01:07,171 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-16 22:01:07,172 INFO L87 Difference]: Start difference. First operand 2988 states and 4476 transitions. Second operand has 6 states, 6 states have (on average 25.0) 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) [2025-03-16 22:01:10,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 22:01:10,205 INFO L93 Difference]: Finished difference Result 12436 states and 18630 transitions. [2025-03-16 22:01:10,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-16 22:01:10,206 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 25.0) 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 [2025-03-16 22:01:10,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 22:01:10,217 INFO L225 Difference]: With dead ends: 12436 [2025-03-16 22:01:10,217 INFO L226 Difference]: Without dead ends: 5343 [2025-03-16 22:01:10,222 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-16 22:01:10,223 INFO L435 NwaCegarLoop]: 3539 mSDtfsCounter, 12242 mSDsluCounter, 13083 mSDsCounter, 0 mSdLazyCounter, 5648 mSolverCounterSat, 394 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12242 SdHoareTripleChecker+Valid, 16622 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 [2025-03-16 22:01:10,223 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12242 Valid, 16622 Invalid, 6042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [394 Valid, 5648 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2025-03-16 22:01:10,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5343 states. [2025-03-16 22:01:10,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5343 to 3102. [2025-03-16 22:01:10,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3102 states, 3101 states have (on average 1.4982263785875525) internal successors, (4646), 3101 states have internal predecessors, (4646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 22:01:10,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3102 states to 3102 states and 4646 transitions. [2025-03-16 22:01:10,270 INFO L78 Accepts]: Start accepts. Automaton has 3102 states and 4646 transitions. Word has length 150 [2025-03-16 22:01:10,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 22:01:10,270 INFO L471 AbstractCegarLoop]: Abstraction has 3102 states and 4646 transitions. [2025-03-16 22:01:10,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.0) 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) [2025-03-16 22:01:10,270 INFO L276 IsEmpty]: Start isEmpty. Operand 3102 states and 4646 transitions. [2025-03-16 22:01:10,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2025-03-16 22:01:10,271 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 22:01:10,271 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] [2025-03-16 22:01:10,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-16 22:01:10,271 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 22:01:10,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 22:01:10,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1694027305, now seen corresponding path program 1 times [2025-03-16 22:01:10,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 22:01:10,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754878431] [2025-03-16 22:01:10,272 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 22:01:10,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 22:01:10,302 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 151 statements into 1 equivalence classes. [2025-03-16 22:01:10,320 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 151 of 151 statements. [2025-03-16 22:01:10,320 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:01:10,320 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 22:01:11,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 22:01:11,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 22:01:11,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754878431] [2025-03-16 22:01:11,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754878431] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 22:01:11,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 22:01:11,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-16 22:01:11,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046325777] [2025-03-16 22:01:11,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 22:01:11,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-16 22:01:11,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 22:01:11,554 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-16 22:01:11,555 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-03-16 22:01:11,556 INFO L87 Difference]: Start difference. First operand 3102 states and 4646 transitions. Second operand has 7 states, 7 states have (on average 21.571428571428573) 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) [2025-03-16 22:01:14,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 22:01:14,802 INFO L93 Difference]: Finished difference Result 8282 states and 12404 transitions. [2025-03-16 22:01:14,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-16 22:01:14,805 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 21.571428571428573) 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 [2025-03-16 22:01:14,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 22:01:14,816 INFO L225 Difference]: With dead ends: 8282 [2025-03-16 22:01:14,816 INFO L226 Difference]: Without dead ends: 5443 [2025-03-16 22:01:14,818 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-03-16 22:01:14,819 INFO L435 NwaCegarLoop]: 2970 mSDtfsCounter, 7215 mSDsluCounter, 12170 mSDsCounter, 0 mSdLazyCounter, 7347 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7215 SdHoareTripleChecker+Valid, 15140 SdHoareTripleChecker+Invalid, 7375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 7347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2025-03-16 22:01:14,819 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7215 Valid, 15140 Invalid, 7375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 7347 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2025-03-16 22:01:14,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5443 states. [2025-03-16 22:01:14,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5443 to 3105. [2025-03-16 22:01:14,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3105 states, 3104 states have (on average 1.4980670103092784) internal successors, (4650), 3104 states have internal predecessors, (4650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 22:01:14,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3105 states to 3105 states and 4650 transitions. [2025-03-16 22:01:14,867 INFO L78 Accepts]: Start accepts. Automaton has 3105 states and 4650 transitions. Word has length 151 [2025-03-16 22:01:14,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 22:01:14,867 INFO L471 AbstractCegarLoop]: Abstraction has 3105 states and 4650 transitions. [2025-03-16 22:01:14,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.571428571428573) 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) [2025-03-16 22:01:14,867 INFO L276 IsEmpty]: Start isEmpty. Operand 3105 states and 4650 transitions. [2025-03-16 22:01:14,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2025-03-16 22:01:14,868 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 22:01:14,868 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] [2025-03-16 22:01:14,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-16 22:01:14,868 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 22:01:14,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 22:01:14,869 INFO L85 PathProgramCache]: Analyzing trace with hash -1106780784, now seen corresponding path program 1 times [2025-03-16 22:01:14,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 22:01:14,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925836697] [2025-03-16 22:01:14,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 22:01:14,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 22:01:14,902 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 152 statements into 1 equivalence classes. [2025-03-16 22:01:14,927 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 152 of 152 statements. [2025-03-16 22:01:14,927 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:01:14,927 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 22:01:16,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 22:01:16,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 22:01:16,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925836697] [2025-03-16 22:01:16,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925836697] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 22:01:16,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 22:01:16,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-16 22:01:16,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262728204] [2025-03-16 22:01:16,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 22:01:16,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-16 22:01:16,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 22:01:16,273 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-16 22:01:16,274 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-16 22:01:16,274 INFO L87 Difference]: Start difference. First operand 3105 states and 4650 transitions. Second operand has 8 states, 8 states have (on average 19.0) 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) [2025-03-16 22:01:21,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 22:01:21,211 INFO L93 Difference]: Finished difference Result 8280 states and 12400 transitions. [2025-03-16 22:01:21,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-16 22:01:21,212 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 19.0) 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 [2025-03-16 22:01:21,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 22:01:21,223 INFO L225 Difference]: With dead ends: 8280 [2025-03-16 22:01:21,223 INFO L226 Difference]: Without dead ends: 5441 [2025-03-16 22:01:21,225 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-03-16 22:01:21,226 INFO L435 NwaCegarLoop]: 2971 mSDtfsCounter, 3691 mSDsluCounter, 17224 mSDsCounter, 0 mSdLazyCounter, 10295 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3691 SdHoareTripleChecker+Valid, 20195 SdHoareTripleChecker+Invalid, 10324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 10295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2025-03-16 22:01:21,226 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3691 Valid, 20195 Invalid, 10324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 10295 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2025-03-16 22:01:21,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5441 states. [2025-03-16 22:01:21,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5441 to 3109. [2025-03-16 22:01:21,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3109 states, 3108 states have (on average 1.4977477477477477) internal successors, (4655), 3108 states have internal predecessors, (4655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 22:01:21,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3109 states to 3109 states and 4655 transitions. [2025-03-16 22:01:21,268 INFO L78 Accepts]: Start accepts. Automaton has 3109 states and 4655 transitions. Word has length 152 [2025-03-16 22:01:21,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 22:01:21,269 INFO L471 AbstractCegarLoop]: Abstraction has 3109 states and 4655 transitions. [2025-03-16 22:01:21,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 19.0) 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) [2025-03-16 22:01:21,269 INFO L276 IsEmpty]: Start isEmpty. Operand 3109 states and 4655 transitions. [2025-03-16 22:01:21,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2025-03-16 22:01:21,272 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 22:01:21,272 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] [2025-03-16 22:01:21,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-16 22:01:21,273 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 22:01:21,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 22:01:21,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1429734519, now seen corresponding path program 1 times [2025-03-16 22:01:21,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 22:01:21,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384649914] [2025-03-16 22:01:21,273 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 22:01:21,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 22:01:21,302 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 152 statements into 1 equivalence classes. [2025-03-16 22:01:21,325 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 152 of 152 statements. [2025-03-16 22:01:21,326 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:01:21,326 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 22:01:21,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 22:01:21,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 22:01:21,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384649914] [2025-03-16 22:01:21,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384649914] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 22:01:21,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 22:01:21,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-16 22:01:21,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958110687] [2025-03-16 22:01:21,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 22:01:21,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-16 22:01:21,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 22:01:21,471 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-16 22:01:21,471 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-16 22:01:21,472 INFO L87 Difference]: Start difference. First operand 3109 states and 4655 transitions. Second operand has 5 states, 5 states have (on average 30.4) internal successors, (152), 4 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) [2025-03-16 22:01:24,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 22:01:24,613 INFO L93 Difference]: Finished difference Result 8652 states and 12958 transitions. [2025-03-16 22:01:24,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-16 22:01:24,613 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.4) internal successors, (152), 4 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 [2025-03-16 22:01:24,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 22:01:24,620 INFO L225 Difference]: With dead ends: 8652 [2025-03-16 22:01:24,620 INFO L226 Difference]: Without dead ends: 5813 [2025-03-16 22:01:24,622 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-16 22:01:24,622 INFO L435 NwaCegarLoop]: 2725 mSDtfsCounter, 4305 mSDsluCounter, 8032 mSDsCounter, 0 mSdLazyCounter, 6876 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4305 SdHoareTripleChecker+Valid, 10757 SdHoareTripleChecker+Invalid, 6877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2025-03-16 22:01:24,622 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4305 Valid, 10757 Invalid, 6877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6876 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2025-03-16 22:01:24,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5813 states. [2025-03-16 22:01:24,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5813 to 3113. [2025-03-16 22:01:24,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3113 states, 3112 states have (on average 1.4971079691516709) internal successors, (4659), 3112 states have internal predecessors, (4659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 22:01:24,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3113 states to 3113 states and 4659 transitions. [2025-03-16 22:01:24,657 INFO L78 Accepts]: Start accepts. Automaton has 3113 states and 4659 transitions. Word has length 152 [2025-03-16 22:01:24,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 22:01:24,658 INFO L471 AbstractCegarLoop]: Abstraction has 3113 states and 4659 transitions. [2025-03-16 22:01:24,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.4) internal successors, (152), 4 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) [2025-03-16 22:01:24,658 INFO L276 IsEmpty]: Start isEmpty. Operand 3113 states and 4659 transitions. [2025-03-16 22:01:24,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2025-03-16 22:01:24,659 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 22:01:24,659 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] [2025-03-16 22:01:24,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-16 22:01:24,659 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 22:01:24,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 22:01:24,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1536948197, now seen corresponding path program 1 times [2025-03-16 22:01:24,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 22:01:24,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660155935] [2025-03-16 22:01:24,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 22:01:24,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 22:01:24,689 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 153 statements into 1 equivalence classes. [2025-03-16 22:01:24,712 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 153 of 153 statements. [2025-03-16 22:01:24,712 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:01:24,712 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 22:01:24,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 22:01:24,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 22:01:24,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660155935] [2025-03-16 22:01:24,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660155935] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 22:01:24,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 22:01:24,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-16 22:01:24,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891843406] [2025-03-16 22:01:24,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 22:01:24,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-16 22:01:24,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 22:01:24,963 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-16 22:01:24,963 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-16 22:01:24,963 INFO L87 Difference]: Start difference. First operand 3113 states and 4659 transitions. Second operand has 6 states, 6 states have (on average 25.5) 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) [2025-03-16 22:01:27,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 22:01:27,467 INFO L93 Difference]: Finished difference Result 5967 states and 8933 transitions. [2025-03-16 22:01:27,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-16 22:01:27,467 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 25.5) 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 [2025-03-16 22:01:27,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 22:01:27,472 INFO L225 Difference]: With dead ends: 5967 [2025-03-16 22:01:27,472 INFO L226 Difference]: Without dead ends: 3128 [2025-03-16 22:01:27,474 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2025-03-16 22:01:27,475 INFO L435 NwaCegarLoop]: 2714 mSDtfsCounter, 4340 mSDsluCounter, 8130 mSDsCounter, 0 mSdLazyCounter, 7011 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4340 SdHoareTripleChecker+Valid, 10844 SdHoareTripleChecker+Invalid, 7012 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7011 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2025-03-16 22:01:27,475 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4340 Valid, 10844 Invalid, 7012 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7011 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2025-03-16 22:01:27,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3128 states. [2025-03-16 22:01:27,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3128 to 3126. [2025-03-16 22:01:27,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3126 states, 3125 states have (on average 1.49568) internal successors, (4674), 3125 states have internal predecessors, (4674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 22:01:27,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3126 states to 3126 states and 4674 transitions. [2025-03-16 22:01:27,504 INFO L78 Accepts]: Start accepts. Automaton has 3126 states and 4674 transitions. Word has length 153 [2025-03-16 22:01:27,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 22:01:27,505 INFO L471 AbstractCegarLoop]: Abstraction has 3126 states and 4674 transitions. [2025-03-16 22:01:27,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.5) 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) [2025-03-16 22:01:27,505 INFO L276 IsEmpty]: Start isEmpty. Operand 3126 states and 4674 transitions. [2025-03-16 22:01:27,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2025-03-16 22:01:27,506 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 22:01:27,506 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] [2025-03-16 22:01:27,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-16 22:01:27,506 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 22:01:27,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 22:01:27,507 INFO L85 PathProgramCache]: Analyzing trace with hash -730162773, now seen corresponding path program 1 times [2025-03-16 22:01:27,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 22:01:27,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700022201] [2025-03-16 22:01:27,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 22:01:27,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 22:01:27,534 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes. [2025-03-16 22:01:27,548 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements. [2025-03-16 22:01:27,548 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:01:27,548 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 22:01:27,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 22:01:27,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 22:01:27,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700022201] [2025-03-16 22:01:27,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700022201] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 22:01:27,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 22:01:27,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-16 22:01:27,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139630843] [2025-03-16 22:01:27,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 22:01:27,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-16 22:01:27,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 22:01:27,687 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-16 22:01:27,687 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-16 22:01:27,688 INFO L87 Difference]: Start difference. First operand 3126 states and 4674 transitions. Second operand has 5 states, 5 states have (on average 30.8) internal successors, (154), 4 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) [2025-03-16 22:01:30,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 22:01:30,745 INFO L93 Difference]: Finished difference Result 8212 states and 12284 transitions. [2025-03-16 22:01:30,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-16 22:01:30,745 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.8) internal successors, (154), 4 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 [2025-03-16 22:01:30,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 22:01:30,753 INFO L225 Difference]: With dead ends: 8212 [2025-03-16 22:01:30,753 INFO L226 Difference]: Without dead ends: 5356 [2025-03-16 22:01:30,756 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-16 22:01:30,757 INFO L435 NwaCegarLoop]: 2847 mSDtfsCounter, 3602 mSDsluCounter, 8028 mSDsCounter, 0 mSdLazyCounter, 6758 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3602 SdHoareTripleChecker+Valid, 10875 SdHoareTripleChecker+Invalid, 6758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2025-03-16 22:01:30,757 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3602 Valid, 10875 Invalid, 6758 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6758 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2025-03-16 22:01:30,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5356 states. [2025-03-16 22:01:30,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5356 to 3124. [2025-03-16 22:01:30,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3124 states, 3123 states have (on average 1.4956772334293948) internal successors, (4671), 3123 states have internal predecessors, (4671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 22:01:30,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3124 states to 3124 states and 4671 transitions. [2025-03-16 22:01:30,790 INFO L78 Accepts]: Start accepts. Automaton has 3124 states and 4671 transitions. Word has length 154 [2025-03-16 22:01:30,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 22:01:30,790 INFO L471 AbstractCegarLoop]: Abstraction has 3124 states and 4671 transitions. [2025-03-16 22:01:30,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.8) internal successors, (154), 4 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) [2025-03-16 22:01:30,790 INFO L276 IsEmpty]: Start isEmpty. Operand 3124 states and 4671 transitions. [2025-03-16 22:01:30,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2025-03-16 22:01:30,791 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 22:01:30,791 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] [2025-03-16 22:01:30,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-16 22:01:30,791 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 22:01:30,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 22:01:30,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1299372761, now seen corresponding path program 1 times [2025-03-16 22:01:30,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 22:01:30,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530172599] [2025-03-16 22:01:30,792 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 22:01:30,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 22:01:30,819 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes. [2025-03-16 22:01:30,836 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements. [2025-03-16 22:01:30,836 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:01:30,836 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-16 22:01:30,836 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-16 22:01:30,850 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 154 statements into 1 equivalence classes. [2025-03-16 22:01:30,867 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 154 of 154 statements. [2025-03-16 22:01:30,867 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:01:30,867 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-16 22:01:30,951 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-16 22:01:30,952 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-16 22:01:30,952 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-16 22:01:30,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-16 22:01:30,956 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-16 22:01:31,026 WARN L310 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2025-03-16 22:01:31,054 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-16 22:01:31,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 10:01:31 BoogieIcfgContainer [2025-03-16 22:01:31,057 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-16 22:01:31,057 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-16 22:01:31,057 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-16 22:01:31,057 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-16 22:01:31,059 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 10:00:59" (3/4) ... [2025-03-16 22:01:31,060 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-16 22:01:31,061 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-16 22:01:31,061 INFO L158 Benchmark]: Toolchain (without parser) took 41899.77ms. Allocated memory was 142.6MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 103.7MB in the beginning and 648.1MB in the end (delta: -544.4MB). Peak memory consumption was 620.2MB. Max. memory is 16.1GB. [2025-03-16 22:01:31,061 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 116.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 22:01:31,061 INFO L158 Benchmark]: CACSL2BoogieTranslator took 653.96ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 56.3MB in the end (delta: 46.7MB). Peak memory consumption was 100.4MB. Max. memory is 16.1GB. [2025-03-16 22:01:31,062 INFO L158 Benchmark]: Boogie Procedure Inliner took 744.87ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 56.3MB in the beginning and 121.8MB in the end (delta: -65.5MB). Peak memory consumption was 165.4MB. Max. memory is 16.1GB. [2025-03-16 22:01:31,062 INFO L158 Benchmark]: Boogie Preprocessor took 829.58ms. Allocated memory was 310.4MB in the beginning and 352.3MB in the end (delta: 41.9MB). Free memory was 121.8MB in the beginning and 132.6MB in the end (delta: -10.8MB). Peak memory consumption was 98.9MB. Max. memory is 16.1GB. [2025-03-16 22:01:31,062 INFO L158 Benchmark]: IcfgBuilder took 8392.71ms. Allocated memory was 352.3MB in the beginning and 813.7MB in the end (delta: 461.4MB). Free memory was 132.3MB in the beginning and 293.6MB in the end (delta: -161.3MB). Peak memory consumption was 601.6MB. Max. memory is 16.1GB. [2025-03-16 22:01:31,062 INFO L158 Benchmark]: TraceAbstraction took 31261.86ms. Allocated memory was 813.7MB in the beginning and 1.3GB in the end (delta: 486.5MB). Free memory was 289.4MB in the beginning and 648.2MB in the end (delta: -358.8MB). Peak memory consumption was 123.6MB. Max. memory is 16.1GB. [2025-03-16 22:01:31,062 INFO L158 Benchmark]: Witness Printer took 3.50ms. Allocated memory is still 1.3GB. Free memory was 648.2MB in the beginning and 648.1MB in the end (delta: 72.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-16 22:01:31,066 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 116.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 653.96ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 56.3MB in the end (delta: 46.7MB). Peak memory consumption was 100.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 744.87ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 56.3MB in the beginning and 121.8MB in the end (delta: -65.5MB). Peak memory consumption was 165.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 829.58ms. Allocated memory was 310.4MB in the beginning and 352.3MB in the end (delta: 41.9MB). Free memory was 121.8MB in the beginning and 132.6MB in the end (delta: -10.8MB). Peak memory consumption was 98.9MB. Max. memory is 16.1GB. * IcfgBuilder took 8392.71ms. Allocated memory was 352.3MB in the beginning and 813.7MB in the end (delta: 461.4MB). Free memory was 132.3MB in the beginning and 293.6MB in the end (delta: -161.3MB). Peak memory consumption was 601.6MB. Max. memory is 16.1GB. * TraceAbstraction took 31261.86ms. Allocated memory was 813.7MB in the beginning and 1.3GB in the end (delta: 486.5MB). Free memory was 289.4MB in the beginning and 648.2MB in the end (delta: -358.8MB). Peak memory consumption was 123.6MB. Max. memory is 16.1GB. * Witness Printer took 3.50ms. Allocated memory is still 1.3GB. Free memory was 648.2MB in the beginning and 648.1MB in the end (delta: 72.6kB). 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 302, overapproximation of bitwiseAnd at line 304, overapproximation of bitwiseAnd at line 272. 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, 2980 locations, 4467 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 31.1s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 25.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 35399 SdHoareTripleChecker+Valid, 23.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 35399 mSDsluCounter, 132726 SdHoareTripleChecker+Invalid, 19.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 100084 mSDsCounter, 454 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 53670 IncrementalHoareTripleChecker+Invalid, 54124 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 454 mSolverCounterUnsat, 32642 mSDtfsCounter, 53670 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3126occurred in iteration=9, InterpolantAutomatonStates: 53, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 11849 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 1656 NumberOfCodeBlocks, 1656 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1492 ConstructedInterpolants, 0 QuantifiedInterpolants, 9867 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-03-16 22:01:31,089 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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-?-8fc3dc6-m [2025-03-16 22:01:32,922 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-16 22:01:32,991 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2025-03-16 22:01:32,995 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-16 22:01:32,995 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-16 22:01:33,017 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-16 22:01:33,018 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-16 22:01:33,018 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-16 22:01:33,018 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-16 22:01:33,018 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-16 22:01:33,018 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-16 22:01:33,018 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-16 22:01:33,020 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-16 22:01:33,020 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-16 22:01:33,020 INFO L153 SettingsManager]: * Use SBE=true [2025-03-16 22:01:33,021 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-16 22:01:33,021 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-16 22:01:33,021 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-16 22:01:33,021 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-16 22:01:33,021 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-16 22:01:33,021 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-16 22:01:33,021 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-16 22:01:33,022 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-16 22:01:33,022 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-16 22:01:33,022 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-16 22:01:33,022 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-16 22:01:33,022 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-16 22:01:33,022 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-16 22:01:33,022 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-16 22:01:33,022 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-16 22:01:33,022 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-16 22:01:33,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 22:01:33,022 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-16 22:01:33,022 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-16 22:01:33,023 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-16 22:01:33,023 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-16 22:01:33,023 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-16 22:01:33,023 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-16 22:01:33,023 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-16 22:01:33,023 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-16 22:01:33,023 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-16 22:01:33,023 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-16 22:01:33,023 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 [2025-03-16 22:01:33,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-16 22:01:33,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-16 22:01:33,264 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-16 22:01:33,265 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-16 22:01:33,265 INFO L274 PluginConnector]: CDTParser initialized [2025-03-16 22:01:33,266 INFO L431 ainManager$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 [2025-03-16 22:01:34,471 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b09c2aab/fe649d7c79d643aa96a45c487adb3680/FLAG66c927808 [2025-03-16 22:01:34,746 INFO L384 CDTParser]: Found 1 translation units. [2025-03-16 22:01:34,751 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.2.prop1-func-interl.c [2025-03-16 22:01:34,772 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b09c2aab/fe649d7c79d643aa96a45c487adb3680/FLAG66c927808 [2025-03-16 22:01:35,030 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b09c2aab/fe649d7c79d643aa96a45c487adb3680 [2025-03-16 22:01:35,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-16 22:01:35,033 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-16 22:01:35,034 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-16 22:01:35,034 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-16 22:01:35,038 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-16 22:01:35,038 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 10:01:35" (1/1) ... [2025-03-16 22:01:35,039 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c57db44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:35, skipping insertion in model container [2025-03-16 22:01:35,039 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 10:01:35" (1/1) ... [2025-03-16 22:01:35,084 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-16 22:01:35,203 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] [2025-03-16 22:01:35,429 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 22:01:35,438 INFO L200 MainTranslator]: Completed pre-run [2025-03-16 22:01:35,446 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] [2025-03-16 22:01:35,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 22:01:35,586 INFO L204 MainTranslator]: Completed translation [2025-03-16 22:01:35,587 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:35 WrapperNode [2025-03-16 22:01:35,587 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-16 22:01:35,588 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-16 22:01:35,589 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-16 22:01:35,589 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-16 22:01:35,593 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:35" (1/1) ... [2025-03-16 22:01:35,629 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:35" (1/1) ... [2025-03-16 22:01:35,709 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2374 [2025-03-16 22:01:35,710 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-16 22:01:35,710 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-16 22:01:35,710 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-16 22:01:35,711 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-16 22:01:35,717 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:35" (1/1) ... [2025-03-16 22:01:35,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:35" (1/1) ... [2025-03-16 22:01:35,733 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:35" (1/1) ... [2025-03-16 22:01:35,775 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-16 22:01:35,775 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:35" (1/1) ... [2025-03-16 22:01:35,775 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:35" (1/1) ... [2025-03-16 22:01:35,805 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:35" (1/1) ... [2025-03-16 22:01:35,830 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:35" (1/1) ... [2025-03-16 22:01:35,839 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:35" (1/1) ... [2025-03-16 22:01:35,848 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:35" (1/1) ... [2025-03-16 22:01:35,864 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-16 22:01:35,866 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-16 22:01:35,866 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-16 22:01:35,866 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-16 22:01:35,867 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:35" (1/1) ... [2025-03-16 22:01:35,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 22:01:35,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 22:01:35,891 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-16 22:01:35,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-16 22:01:35,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-16 22:01:35,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-16 22:01:35,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-16 22:01:35,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-16 22:01:36,202 INFO L256 CfgBuilder]: Building ICFG [2025-03-16 22:01:36,203 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-16 22:01:37,786 INFO L? ?]: Removed 115 outVars from TransFormulas that were not future-live. [2025-03-16 22:01:37,786 INFO L307 CfgBuilder]: Performing block encoding [2025-03-16 22:01:37,793 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-16 22:01:37,793 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-16 22:01:37,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 10:01:37 BoogieIcfgContainer [2025-03-16 22:01:37,794 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-16 22:01:37,796 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-16 22:01:37,796 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-16 22:01:37,799 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-16 22:01:37,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 10:01:35" (1/3) ... [2025-03-16 22:01:37,800 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ab13dce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 10:01:37, skipping insertion in model container [2025-03-16 22:01:37,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 10:01:35" (2/3) ... [2025-03-16 22:01:37,800 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ab13dce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 10:01:37, skipping insertion in model container [2025-03-16 22:01:37,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 10:01:37" (3/3) ... [2025-03-16 22:01:37,802 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.lann.2.prop1-func-interl.c [2025-03-16 22:01:37,812 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-16 22:01:37,813 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.lann.2.prop1-func-interl.c that has 1 procedures, 8 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-16 22:01:37,845 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-16 22:01:37,853 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;@4bd19734, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-16 22:01:37,854 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-16 22:01:37,856 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.5) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 22:01:37,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-03-16 22:01:37,860 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 22:01:37,860 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-03-16 22:01:37,861 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 22:01:37,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 22:01:37,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1137951, now seen corresponding path program 1 times [2025-03-16 22:01:37,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-16 22:01:37,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1399224040] [2025-03-16 22:01:37,873 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 22:01:37,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-16 22:01:37,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 22:01:37,876 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-16 22:01:37,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-16 22:01:38,208 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-16 22:01:38,234 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-16 22:01:38,234 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:01:38,234 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 22:01:38,239 INFO L256 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 42 conjuncts are in the unsatisfiable core [2025-03-16 22:01:38,250 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-16 22:01:38,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 22:01:38,475 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-16 22:01:38,475 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-16 22:01:38,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1399224040] [2025-03-16 22:01:38,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1399224040] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 22:01:38,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 22:01:38,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-16 22:01:38,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163821465] [2025-03-16 22:01:38,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 22:01:38,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-16 22:01:38,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-16 22:01:38,493 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-16 22:01:38,494 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-16 22:01:38,495 INFO L87 Difference]: Start difference. First operand has 8 states, 6 states have (on average 1.5) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 22:01:38,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 22:01:38,651 INFO L93 Difference]: Finished difference Result 16 states and 21 transitions. [2025-03-16 22:01:38,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-16 22:01:38,653 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2025-03-16 22:01:38,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 22:01:38,657 INFO L225 Difference]: With dead ends: 16 [2025-03-16 22:01:38,658 INFO L226 Difference]: Without dead ends: 9 [2025-03-16 22:01:38,659 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-16 22:01:38,661 INFO L435 NwaCegarLoop]: 3 mSDtfsCounter, 2 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-16 22:01:38,662 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 8 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-16 22:01:38,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2025-03-16 22:01:38,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2025-03-16 22:01:38,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 22:01:38,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2025-03-16 22:01:38,681 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2025-03-16 22:01:38,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 22:01:38,681 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2025-03-16 22:01:38,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 22:01:38,682 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2025-03-16 22:01:38,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-16 22:01:38,682 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 22:01:38,682 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2025-03-16 22:01:38,690 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-16 22:01:38,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-16 22:01:38,887 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 22:01:38,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 22:01:38,888 INFO L85 PathProgramCache]: Analyzing trace with hash -458170295, now seen corresponding path program 1 times [2025-03-16 22:01:38,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-16 22:01:38,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2029783952] [2025-03-16 22:01:38,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 22:01:38,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-16 22:01:38,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 22:01:38,893 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-16 22:01:38,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-16 22:01:39,292 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-16 22:01:39,373 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-16 22:01:39,373 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 22:01:39,374 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 22:01:39,386 INFO L256 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 54 conjuncts are in the unsatisfiable core [2025-03-16 22:01:39,402 INFO L279 TraceCheckSpWp]: Computing forward predicates...