./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/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_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.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 2164f122c5c32edee2ede3aaa086ed34ce5834fc0fb4a31a890516c48b14c747 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 02:09:48,751 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 02:09:48,813 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 02:09:48,817 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 02:09:48,817 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 02:09:48,860 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 02:09:48,860 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 02:09:48,861 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 02:09:48,861 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 02:09:48,862 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 02:09:48,862 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 02:09:48,862 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 02:09:48,863 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 02:09:48,865 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 02:09:48,866 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 02:09:48,866 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 02:09:48,866 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 02:09:48,867 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 02:09:48,867 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 02:09:48,867 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 02:09:48,868 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 02:09:48,868 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 02:09:48,869 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 02:09:48,869 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 02:09:48,869 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 02:09:48,870 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 02:09:48,870 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 02:09:48,871 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 02:09:48,871 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 02:09:48,871 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 02:09:48,872 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 02:09:48,872 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 02:09:48,872 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 02:09:48,872 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 02:09:48,873 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 02:09:48,873 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 02:09:48,873 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 02:09:48,873 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 02:09:48,874 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 02:09:48,874 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2164f122c5c32edee2ede3aaa086ed34ce5834fc0fb4a31a890516c48b14c747 [2024-11-20 02:09:49,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 02:09:49,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 02:09:49,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 02:09:49,151 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 02:09:49,151 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 02:09:49,152 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.c [2024-11-20 02:09:50,633 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 02:09:50,949 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 02:09:50,949 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.c [2024-11-20 02:09:50,967 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0bdaff81/95d796da84494d14b9abf9fab8e83ab5/FLAG858ffcbec [2024-11-20 02:09:50,985 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0bdaff81/95d796da84494d14b9abf9fab8e83ab5 [2024-11-20 02:09:50,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 02:09:50,989 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 02:09:50,991 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 02:09:50,991 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 02:09:50,998 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 02:09:51,000 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:09:50" (1/1) ... [2024-11-20 02:09:51,001 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41e6262e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:09:51, skipping insertion in model container [2024-11-20 02:09:51,001 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:09:50" (1/1) ... [2024-11-20 02:09:51,063 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 02:09:51,280 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.vis_arrays_vsa16a_p4.c[1260,1273] [2024-11-20 02:09:51,708 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 02:09:51,722 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 02:09:51,734 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.vis_arrays_vsa16a_p4.c[1260,1273] [2024-11-20 02:09:51,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 02:09:52,009 INFO L204 MainTranslator]: Completed translation [2024-11-20 02:09:52,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:09:52 WrapperNode [2024-11-20 02:09:52,010 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 02:09:52,011 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 02:09:52,011 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 02:09:52,011 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 02:09:52,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:09:52" (1/1) ... [2024-11-20 02:09:52,078 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:09:52" (1/1) ... [2024-11-20 02:09:52,722 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4507 [2024-11-20 02:09:52,722 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 02:09:52,723 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 02:09:52,723 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 02:09:52,723 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 02:09:52,734 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:09:52" (1/1) ... [2024-11-20 02:09:52,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:09:52" (1/1) ... [2024-11-20 02:09:52,883 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:09:52" (1/1) ... [2024-11-20 02:09:53,026 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]. [2024-11-20 02:09:53,027 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:09:52" (1/1) ... [2024-11-20 02:09:53,027 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:09:52" (1/1) ... [2024-11-20 02:09:53,177 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:09:52" (1/1) ... [2024-11-20 02:09:53,278 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:09:52" (1/1) ... [2024-11-20 02:09:53,320 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:09:52" (1/1) ... [2024-11-20 02:09:53,349 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:09:52" (1/1) ... [2024-11-20 02:09:53,423 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 02:09:53,424 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 02:09:53,424 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 02:09:53,424 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 02:09:53,425 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:09:52" (1/1) ... [2024-11-20 02:09:53,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 02:09:53,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 02:09:53,461 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) [2024-11-20 02:09:53,467 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 [2024-11-20 02:09:53,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 02:09:53,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 02:09:53,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 02:09:53,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 02:09:53,862 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 02:09:53,864 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 02:09:58,831 INFO L? ?]: Removed 2675 outVars from TransFormulas that were not future-live. [2024-11-20 02:09:58,831 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 02:09:58,881 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 02:09:58,881 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 02:09:58,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:09:58 BoogieIcfgContainer [2024-11-20 02:09:58,883 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 02:09:58,885 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 02:09:58,886 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 02:09:58,889 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 02:09:58,889 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 02:09:50" (1/3) ... [2024-11-20 02:09:58,890 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e8c1a10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:09:58, skipping insertion in model container [2024-11-20 02:09:58,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:09:52" (2/3) ... [2024-11-20 02:09:58,890 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e8c1a10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:09:58, skipping insertion in model container [2024-11-20 02:09:58,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:09:58" (3/3) ... [2024-11-20 02:09:58,892 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsa16a_p4.c [2024-11-20 02:09:58,911 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 02:09:58,912 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 02:09:59,020 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 02:09:59,030 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;@2e612096, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 02:09:59,030 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 02:09:59,043 INFO L276 IsEmpty]: Start isEmpty. Operand has 1351 states, 1349 states have (on average 1.4996293550778355) internal successors, (2023), 1350 states have internal predecessors, (2023), 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) [2024-11-20 02:09:59,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-20 02:09:59,052 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:09:59,053 INFO L215 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] [2024-11-20 02:09:59,054 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:09:59,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:09:59,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1728403634, now seen corresponding path program 1 times [2024-11-20 02:09:59,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:09:59,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833484637] [2024-11-20 02:09:59,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:09:59,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:09:59,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:09:59,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 02:09:59,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:09:59,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833484637] [2024-11-20 02:09:59,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833484637] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:09:59,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:09:59,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 02:09:59,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674053365] [2024-11-20 02:09:59,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:09:59,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 02:09:59,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:09:59,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 02:09:59,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 02:09:59,953 INFO L87 Difference]: Start difference. First operand has 1351 states, 1349 states have (on average 1.4996293550778355) internal successors, (2023), 1350 states have internal predecessors, (2023), 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 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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) [2024-11-20 02:10:00,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:10:00,107 INFO L93 Difference]: Finished difference Result 2647 states and 3967 transitions. [2024-11-20 02:10:00,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 02:10:00,109 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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 45 [2024-11-20 02:10:00,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:10:00,127 INFO L225 Difference]: With dead ends: 2647 [2024-11-20 02:10:00,128 INFO L226 Difference]: Without dead ends: 1350 [2024-11-20 02:10:00,134 INFO L431 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 [2024-11-20 02:10:00,138 INFO L432 NwaCegarLoop]: 2017 mSDtfsCounter, 0 mSDsluCounter, 4028 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6045 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 02:10:00,139 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6045 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 02:10:00,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1350 states. [2024-11-20 02:10:00,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1350 to 1350. [2024-11-20 02:10:00,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1350 states, 1349 states have (on average 1.498146775389177) internal successors, (2021), 1349 states have internal predecessors, (2021), 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) [2024-11-20 02:10:00,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1350 states and 2021 transitions. [2024-11-20 02:10:00,225 INFO L78 Accepts]: Start accepts. Automaton has 1350 states and 2021 transitions. Word has length 45 [2024-11-20 02:10:00,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:10:00,225 INFO L471 AbstractCegarLoop]: Abstraction has 1350 states and 2021 transitions. [2024-11-20 02:10:00,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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) [2024-11-20 02:10:00,226 INFO L276 IsEmpty]: Start isEmpty. Operand 1350 states and 2021 transitions. [2024-11-20 02:10:00,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-20 02:10:00,227 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:10:00,227 INFO L215 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] [2024-11-20 02:10:00,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 02:10:00,228 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:10:00,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:10:00,229 INFO L85 PathProgramCache]: Analyzing trace with hash 2042600515, now seen corresponding path program 1 times [2024-11-20 02:10:00,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:10:00,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755869413] [2024-11-20 02:10:00,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:10:00,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:10:00,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:10:00,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 02:10:00,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:10:00,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755869413] [2024-11-20 02:10:00,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755869413] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:10:00,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:10:00,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 02:10:00,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596024306] [2024-11-20 02:10:00,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:10:00,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 02:10:00,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:10:00,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 02:10:00,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 02:10:00,415 INFO L87 Difference]: Start difference. First operand 1350 states and 2021 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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) [2024-11-20 02:10:00,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:10:00,473 INFO L93 Difference]: Finished difference Result 2648 states and 3965 transitions. [2024-11-20 02:10:00,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 02:10:00,474 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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 46 [2024-11-20 02:10:00,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:10:00,479 INFO L225 Difference]: With dead ends: 2648 [2024-11-20 02:10:00,479 INFO L226 Difference]: Without dead ends: 1352 [2024-11-20 02:10:00,481 INFO L431 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 [2024-11-20 02:10:00,482 INFO L432 NwaCegarLoop]: 2017 mSDtfsCounter, 0 mSDsluCounter, 4024 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6041 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 02:10:00,483 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6041 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 02:10:00,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1352 states. [2024-11-20 02:10:00,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1352 to 1352. [2024-11-20 02:10:00,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1352 states, 1351 states have (on average 1.4974093264248705) internal successors, (2023), 1351 states have internal predecessors, (2023), 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) [2024-11-20 02:10:00,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 1352 states and 2023 transitions. [2024-11-20 02:10:00,508 INFO L78 Accepts]: Start accepts. Automaton has 1352 states and 2023 transitions. Word has length 46 [2024-11-20 02:10:00,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:10:00,508 INFO L471 AbstractCegarLoop]: Abstraction has 1352 states and 2023 transitions. [2024-11-20 02:10:00,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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) [2024-11-20 02:10:00,509 INFO L276 IsEmpty]: Start isEmpty. Operand 1352 states and 2023 transitions. [2024-11-20 02:10:00,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-20 02:10:00,510 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:10:00,510 INFO L215 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] [2024-11-20 02:10:00,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 02:10:00,511 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:10:00,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:10:00,511 INFO L85 PathProgramCache]: Analyzing trace with hash 2093108139, now seen corresponding path program 1 times [2024-11-20 02:10:00,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:10:00,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425219391] [2024-11-20 02:10:00,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:10:00,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:10:00,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:10:01,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 02:10:01,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:10:01,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425219391] [2024-11-20 02:10:01,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425219391] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:10:01,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:10:01,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 02:10:01,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751328920] [2024-11-20 02:10:01,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:10:01,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 02:10:01,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:10:01,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 02:10:01,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-20 02:10:01,409 INFO L87 Difference]: Start difference. First operand 1352 states and 2023 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 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) [2024-11-20 02:10:01,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:10:01,533 INFO L93 Difference]: Finished difference Result 2654 states and 3972 transitions. [2024-11-20 02:10:01,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 02:10:01,534 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 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 47 [2024-11-20 02:10:01,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:10:01,540 INFO L225 Difference]: With dead ends: 2654 [2024-11-20 02:10:01,541 INFO L226 Difference]: Without dead ends: 1356 [2024-11-20 02:10:01,543 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-20 02:10:01,544 INFO L432 NwaCegarLoop]: 2009 mSDtfsCounter, 12 mSDsluCounter, 4017 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 6026 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 02:10:01,547 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 6026 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 02:10:01,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1356 states. [2024-11-20 02:10:01,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1356 to 1354. [2024-11-20 02:10:01,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1354 states, 1353 states have (on average 1.4966740576496673) internal successors, (2025), 1353 states have internal predecessors, (2025), 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) [2024-11-20 02:10:01,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1354 states to 1354 states and 2025 transitions. [2024-11-20 02:10:01,587 INFO L78 Accepts]: Start accepts. Automaton has 1354 states and 2025 transitions. Word has length 47 [2024-11-20 02:10:01,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:10:01,587 INFO L471 AbstractCegarLoop]: Abstraction has 1354 states and 2025 transitions. [2024-11-20 02:10:01,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 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) [2024-11-20 02:10:01,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1354 states and 2025 transitions. [2024-11-20 02:10:01,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-20 02:10:01,590 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:10:01,590 INFO L215 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] [2024-11-20 02:10:01,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 02:10:01,591 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:10:01,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:10:01,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1370729930, now seen corresponding path program 1 times [2024-11-20 02:10:01,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:10:01,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109030982] [2024-11-20 02:10:01,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:10:01,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:10:01,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:10:02,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 02:10:02,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:10:02,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109030982] [2024-11-20 02:10:02,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109030982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:10:02,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:10:02,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 02:10:02,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798487570] [2024-11-20 02:10:02,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:10:02,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 02:10:02,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:10:02,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 02:10:02,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-20 02:10:02,186 INFO L87 Difference]: Start difference. First operand 1354 states and 2025 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 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) [2024-11-20 02:10:02,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:10:02,476 INFO L93 Difference]: Finished difference Result 2662 states and 3981 transitions. [2024-11-20 02:10:02,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 02:10:02,477 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 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 48 [2024-11-20 02:10:02,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:10:02,483 INFO L225 Difference]: With dead ends: 2662 [2024-11-20 02:10:02,483 INFO L226 Difference]: Without dead ends: 1362 [2024-11-20 02:10:02,485 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-20 02:10:02,486 INFO L432 NwaCegarLoop]: 2008 mSDtfsCounter, 1998 mSDsluCounter, 8022 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1998 SdHoareTripleChecker+Valid, 10030 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 02:10:02,487 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1998 Valid, 10030 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 02:10:02,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1362 states. [2024-11-20 02:10:02,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1362 to 1360. [2024-11-20 02:10:02,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1360 states, 1359 states have (on average 1.495952906548933) internal successors, (2033), 1359 states have internal predecessors, (2033), 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) [2024-11-20 02:10:02,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1360 states to 1360 states and 2033 transitions. [2024-11-20 02:10:02,521 INFO L78 Accepts]: Start accepts. Automaton has 1360 states and 2033 transitions. Word has length 48 [2024-11-20 02:10:02,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:10:02,521 INFO L471 AbstractCegarLoop]: Abstraction has 1360 states and 2033 transitions. [2024-11-20 02:10:02,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 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) [2024-11-20 02:10:02,522 INFO L276 IsEmpty]: Start isEmpty. Operand 1360 states and 2033 transitions. [2024-11-20 02:10:02,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-20 02:10:02,523 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:10:02,523 INFO L215 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] [2024-11-20 02:10:02,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 02:10:02,524 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:10:02,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:10:02,524 INFO L85 PathProgramCache]: Analyzing trace with hash -137698584, now seen corresponding path program 1 times [2024-11-20 02:10:02,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:10:02,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706486497] [2024-11-20 02:10:02,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:10:02,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:10:02,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 02:10:02,603 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 02:10:02,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 02:10:02,745 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 02:10:02,745 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-20 02:10:02,747 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-20 02:10:02,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 02:10:02,754 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-20 02:10:02,830 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 02:10:02,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 02:10:02 BoogieIcfgContainer [2024-11-20 02:10:02,833 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 02:10:02,834 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 02:10:02,834 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 02:10:02,835 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 02:10:02,836 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:09:58" (3/4) ... [2024-11-20 02:10:02,840 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-20 02:10:02,841 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 02:10:02,842 INFO L158 Benchmark]: Toolchain (without parser) took 11852.27ms. Allocated memory was 184.5MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 123.0MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 179.0MB. Max. memory is 16.1GB. [2024-11-20 02:10:02,842 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 184.5MB. Free memory is still 150.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 02:10:02,843 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1019.48ms. Allocated memory was 184.5MB in the beginning and 270.5MB in the end (delta: 86.0MB). Free memory was 123.0MB in the beginning and 203.6MB in the end (delta: -80.7MB). Peak memory consumption was 85.5MB. Max. memory is 16.1GB. [2024-11-20 02:10:02,843 INFO L158 Benchmark]: Boogie Procedure Inliner took 711.83ms. Allocated memory is still 270.5MB. Free memory was 203.6MB in the beginning and 155.4MB in the end (delta: 48.3MB). Peak memory consumption was 163.8MB. Max. memory is 16.1GB. [2024-11-20 02:10:02,844 INFO L158 Benchmark]: Boogie Preprocessor took 700.10ms. Allocated memory is still 270.5MB. Free memory was 155.4MB in the beginning and 127.0MB in the end (delta: 28.3MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2024-11-20 02:10:02,844 INFO L158 Benchmark]: RCFGBuilder took 5458.94ms. Allocated memory was 270.5MB in the beginning and 989.9MB in the end (delta: 719.3MB). Free memory was 127.0MB in the beginning and 719.3MB in the end (delta: -592.3MB). Peak memory consumption was 175.1MB. Max. memory is 16.1GB. [2024-11-20 02:10:02,846 INFO L158 Benchmark]: TraceAbstraction took 3948.53ms. Allocated memory was 989.9MB in the beginning and 1.5GB in the end (delta: 524.3MB). Free memory was 719.3MB in the beginning and 1.3GB in the end (delta: -556.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 02:10:02,846 INFO L158 Benchmark]: Witness Printer took 7.30ms. Allocated memory is still 1.5GB. Free memory is still 1.3GB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 02:10:02,848 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 184.5MB. Free memory is still 150.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1019.48ms. Allocated memory was 184.5MB in the beginning and 270.5MB in the end (delta: 86.0MB). Free memory was 123.0MB in the beginning and 203.6MB in the end (delta: -80.7MB). Peak memory consumption was 85.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 711.83ms. Allocated memory is still 270.5MB. Free memory was 203.6MB in the beginning and 155.4MB in the end (delta: 48.3MB). Peak memory consumption was 163.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 700.10ms. Allocated memory is still 270.5MB. Free memory was 155.4MB in the beginning and 127.0MB in the end (delta: 28.3MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * RCFGBuilder took 5458.94ms. Allocated memory was 270.5MB in the beginning and 989.9MB in the end (delta: 719.3MB). Free memory was 127.0MB in the beginning and 719.3MB in the end (delta: -592.3MB). Peak memory consumption was 175.1MB. Max. memory is 16.1GB. * TraceAbstraction took 3948.53ms. Allocated memory was 989.9MB in the beginning and 1.5GB in the end (delta: 524.3MB). Free memory was 719.3MB in the beginning and 1.3GB in the end (delta: -556.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.30ms. Allocated memory is still 1.5GB. Free memory is still 1.3GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 206. 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_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 16); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (16 - 1); [L32] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 2); [L33] const SORT_9 msb_SORT_9 = (SORT_9)1 << (2 - 1); [L35] const SORT_14 mask_SORT_14 = (SORT_14)-1 >> (sizeof(SORT_14) * 8 - 3); [L36] const SORT_14 msb_SORT_14 = (SORT_14)1 << (3 - 1); [L38] const SORT_41 mask_SORT_41 = (SORT_41)-1 >> (sizeof(SORT_41) * 8 - 12); [L39] const SORT_41 msb_SORT_41 = (SORT_41)1 << (12 - 1); [L41] const SORT_97 mask_SORT_97 = (SORT_97)-1 >> (sizeof(SORT_97) * 8 - 17); [L42] const SORT_97 msb_SORT_97 = (SORT_97)1 << (17 - 1); [L44] const SORT_98 mask_SORT_98 = (SORT_98)-1 >> (sizeof(SORT_98) * 8 - 5); [L45] const SORT_98 msb_SORT_98 = (SORT_98)1 << (5 - 1); [L47] const SORT_101 mask_SORT_101 = (SORT_101)-1 >> (sizeof(SORT_101) * 8 - 9); [L48] const SORT_101 msb_SORT_101 = (SORT_101)1 << (9 - 1); [L50] const SORT_103 mask_SORT_103 = (SORT_103)-1 >> (sizeof(SORT_103) * 8 - 10); [L51] const SORT_103 msb_SORT_103 = (SORT_103)1 << (10 - 1); [L53] const SORT_106 mask_SORT_106 = (SORT_106)-1 >> (sizeof(SORT_106) * 8 - 11); [L54] const SORT_106 msb_SORT_106 = (SORT_106)1 << (11 - 1); [L56] const SORT_111 mask_SORT_111 = (SORT_111)-1 >> (sizeof(SORT_111) * 8 - 13); [L57] const SORT_111 msb_SORT_111 = (SORT_111)1 << (13 - 1); [L59] const SORT_114 mask_SORT_114 = (SORT_114)-1 >> (sizeof(SORT_114) * 8 - 14); [L60] const SORT_114 msb_SORT_114 = (SORT_114)1 << (14 - 1); [L62] const SORT_117 mask_SORT_117 = (SORT_117)-1 >> (sizeof(SORT_117) * 8 - 15); [L63] const SORT_117 msb_SORT_117 = (SORT_117)1 << (15 - 1); [L65] const SORT_150 mask_SORT_150 = (SORT_150)-1 >> (sizeof(SORT_150) * 8 - 7); [L66] const SORT_150 msb_SORT_150 = (SORT_150)1 << (7 - 1); [L68] const SORT_366 mask_SORT_366 = (SORT_366)-1 >> (sizeof(SORT_366) * 8 - 4); [L69] const SORT_366 msb_SORT_366 = (SORT_366)1 << (4 - 1); [L71] const SORT_369 mask_SORT_369 = (SORT_369)-1 >> (sizeof(SORT_369) * 8 - 6); [L72] const SORT_369 msb_SORT_369 = (SORT_369)1 << (6 - 1); [L74] const SORT_372 mask_SORT_372 = (SORT_372)-1 >> (sizeof(SORT_372) * 8 - 8); [L75] const SORT_372 msb_SORT_372 = (SORT_372)1 << (8 - 1); [L77] const SORT_3 var_6 = 0; [L78] const SORT_14 var_15 = 0; [L79] const SORT_9 var_19 = 0; [L80] const SORT_1 var_30 = 1; [L81] const SORT_1 var_36 = 0; [L82] const SORT_41 var_42 = 0; [L83] const SORT_14 var_56 = 2; [L84] const SORT_14 var_60 = 1; [L85] const SORT_14 var_65 = 4; [L86] const SORT_14 var_67 = 5; [L87] const SORT_14 var_71 = 3; [L88] const SORT_98 var_99 = 0; [L89] const SORT_150 var_152 = 5; [L90] const SORT_150 var_156 = 4; [L91] const SORT_150 var_160 = 3; [L92] const SORT_150 var_164 = 2; [L93] const SORT_150 var_168 = 1; [L94] const SORT_150 var_172 = 0; [L95] const SORT_41 var_195 = 2; [L96] const SORT_3 var_217 = 65535; [L98] SORT_1 input_2; [L99] SORT_3 input_4; [L100] SORT_3 input_5; [L101] SORT_3 input_207; [L102] SORT_3 input_208; [L103] SORT_3 input_209; [L104] SORT_3 input_216; [L105] SORT_3 input_224; [L106] SORT_3 input_225; [L107] SORT_3 input_226; [L108] SORT_3 input_229; [L109] SORT_3 input_247; [L110] SORT_3 input_248; [L111] SORT_3 input_249; [L112] SORT_3 input_252; [L113] SORT_3 input_254; [L114] SORT_9 input_268; [L115] SORT_9 input_269; [L116] SORT_9 input_270; [L118] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_42=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L118] SORT_3 state_7 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_14 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_42=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L119] SORT_14 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_14; [L120] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_42=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L120] SORT_3 state_21 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L121] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_42=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L121] SORT_3 state_23 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L122] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_42=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L122] SORT_3 state_34 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_42=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L123] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L124] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_42=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L124] SORT_3 state_39 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L125] EXPR __VERIFIER_nondet_ushort() & mask_SORT_41 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_42=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L125] SORT_41 state_43 = __VERIFIER_nondet_ushort() & mask_SORT_41; [L126] EXPR __VERIFIER_nondet_ushort() & mask_SORT_41 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_42=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L126] SORT_41 state_45 = __VERIFIER_nondet_ushort() & mask_SORT_41; [L127] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_42=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L127] SORT_3 state_47 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L128] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_42=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L128] SORT_3 state_49 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L129] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_42=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L129] SORT_3 state_51 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L130] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_42=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L130] SORT_3 state_53 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L132] SORT_3 init_8_arg_1 = var_6; [L133] state_7 = init_8_arg_1 [L134] SORT_14 init_17_arg_1 = var_15; [L135] state_16 = init_17_arg_1 [L136] SORT_3 init_22_arg_1 = var_6; [L137] state_21 = init_22_arg_1 [L138] SORT_3 init_24_arg_1 = var_6; [L139] state_23 = init_24_arg_1 [L140] SORT_3 init_35_arg_1 = var_6; [L141] state_34 = init_35_arg_1 [L142] SORT_1 init_38_arg_1 = var_36; [L143] state_37 = init_38_arg_1 [L144] SORT_3 init_40_arg_1 = var_6; [L145] state_39 = init_40_arg_1 [L146] SORT_41 init_44_arg_1 = var_42; [L147] state_43 = init_44_arg_1 [L148] SORT_41 init_46_arg_1 = var_42; [L149] state_45 = init_46_arg_1 [L150] SORT_3 init_48_arg_1 = var_6; [L151] state_47 = init_48_arg_1 [L152] SORT_3 init_50_arg_1 = var_6; [L153] state_49 = init_50_arg_1 [L154] SORT_3 init_52_arg_1 = var_6; [L155] state_51 = init_52_arg_1 [L156] SORT_3 init_54_arg_1 = var_6; [L157] state_53 = init_54_arg_1 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L160] input_2 = __VERIFIER_nondet_uchar() [L161] input_4 = __VERIFIER_nondet_ushort() [L162] input_5 = __VERIFIER_nondet_ushort() [L163] input_207 = __VERIFIER_nondet_ushort() [L164] input_208 = __VERIFIER_nondet_ushort() [L165] input_209 = __VERIFIER_nondet_ushort() [L166] input_216 = __VERIFIER_nondet_ushort() [L167] input_224 = __VERIFIER_nondet_ushort() [L168] input_225 = __VERIFIER_nondet_ushort() [L169] input_226 = __VERIFIER_nondet_ushort() [L170] input_229 = __VERIFIER_nondet_ushort() [L171] input_247 = __VERIFIER_nondet_ushort() [L172] input_248 = __VERIFIER_nondet_ushort() [L173] input_249 = __VERIFIER_nondet_ushort() [L174] input_252 = __VERIFIER_nondet_ushort() [L175] input_254 = __VERIFIER_nondet_ushort() [L176] input_268 = __VERIFIER_nondet_uchar() [L177] input_269 = __VERIFIER_nondet_uchar() [L178] input_270 = __VERIFIER_nondet_uchar() [L181] SORT_3 var_10_arg_0 = state_7; [L182] SORT_9 var_10 = var_10_arg_0 >> 3; VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_10=0, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L183] EXPR var_10 & mask_SORT_9 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L183] var_10 = var_10 & mask_SORT_9 [L184] SORT_3 var_11_arg_0 = state_7; [L185] SORT_9 var_11 = var_11_arg_0 >> 5; VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_10=0, var_11=0, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L186] EXPR var_11 & mask_SORT_9 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_10=0, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L186] var_11 = var_11 & mask_SORT_9 [L187] SORT_9 var_12_arg_0 = var_10; [L188] SORT_9 var_12_arg_1 = var_11; [L189] SORT_1 var_12 = var_12_arg_0 == var_12_arg_1; [L190] SORT_1 var_13_arg_0 = var_12; [L191] SORT_1 var_13 = ~var_13_arg_0; [L192] SORT_14 var_18_arg_0 = state_16; [L193] SORT_9 var_18 = var_18_arg_0 >> 1; VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_11=0, var_13=-2, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_18=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L194] EXPR var_18 & mask_SORT_9 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_11=0, var_13=-2, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L194] var_18 = var_18 & mask_SORT_9 [L195] SORT_9 var_20_arg_0 = var_18; [L196] SORT_9 var_20_arg_1 = var_19; [L197] SORT_1 var_20 = var_20_arg_0 == var_20_arg_1; [L198] SORT_3 var_25_arg_0 = state_21; [L199] SORT_3 var_25_arg_1 = state_23; [L200] SORT_1 var_25 = var_25_arg_0 == var_25_arg_1; [L201] SORT_1 var_26_arg_0 = var_20; [L202] SORT_1 var_26_arg_1 = var_25; VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_11=0, var_13=-2, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_26_arg_0=1, var_26_arg_1=1, var_30=1, var_36=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L203] EXPR var_26_arg_0 | var_26_arg_1 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_11=0, var_13=-2, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L203] SORT_1 var_26 = var_26_arg_0 | var_26_arg_1; [L204] SORT_1 var_27_arg_0 = var_13; [L205] SORT_1 var_27_arg_1 = var_26; VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_11=0, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_27_arg_0=-2, var_27_arg_1=1, var_30=1, var_36=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L206] EXPR var_27_arg_0 | var_27_arg_1 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_11=0, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L206] SORT_1 var_27 = var_27_arg_0 | var_27_arg_1; [L207] SORT_1 var_31_arg_0 = var_27; [L208] SORT_1 var_31 = ~var_31_arg_0; [L209] SORT_1 var_32_arg_0 = var_30; [L210] SORT_1 var_32_arg_1 = var_31; VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_11=0, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_32_arg_0=1, var_32_arg_1=-255, var_36=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L211] EXPR var_32_arg_0 & var_32_arg_1 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_11=0, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L211] SORT_1 var_32 = var_32_arg_0 & var_32_arg_1; [L212] EXPR var_32 & mask_SORT_1 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_11=0, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L212] var_32 = var_32 & mask_SORT_1 [L213] SORT_1 bad_33_arg_0 = var_32; [L214] CALL __VERIFIER_assert(!(bad_33_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1351 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2010 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2010 mSDsluCounter, 28142 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20091 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 129 IncrementalHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 8051 mSDtfsCounter, 129 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1360occurred in iteration=4, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 235 NumberOfCodeBlocks, 235 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 182 ConstructedInterpolants, 0 QuantifiedInterpolants, 406 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-20 02:10:02,880 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/current/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_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.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 2164f122c5c32edee2ede3aaa086ed34ce5834fc0fb4a31a890516c48b14c747 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 02:10:05,387 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 02:10:05,459 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-20 02:10:05,469 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 02:10:05,470 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 02:10:05,510 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 02:10:05,511 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 02:10:05,512 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 02:10:05,512 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 02:10:05,513 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 02:10:05,513 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 02:10:05,513 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 02:10:05,514 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 02:10:05,515 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 02:10:05,515 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 02:10:05,515 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 02:10:05,516 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 02:10:05,516 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 02:10:05,516 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 02:10:05,517 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 02:10:05,517 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 02:10:05,521 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-20 02:10:05,521 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-20 02:10:05,521 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 02:10:05,525 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-20 02:10:05,526 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 02:10:05,526 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 02:10:05,526 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 02:10:05,526 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 02:10:05,527 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 02:10:05,527 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 02:10:05,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 02:10:05,527 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 02:10:05,528 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 02:10:05,528 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 02:10:05,528 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-20 02:10:05,528 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-20 02:10:05,529 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 02:10:05,529 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 02:10:05,529 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 02:10:05,529 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 02:10:05,531 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2164f122c5c32edee2ede3aaa086ed34ce5834fc0fb4a31a890516c48b14c747 [2024-11-20 02:10:05,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 02:10:05,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 02:10:05,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 02:10:05,893 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 02:10:05,894 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 02:10:05,895 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.c [2024-11-20 02:10:07,623 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 02:10:08,003 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 02:10:08,003 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.c [2024-11-20 02:10:08,030 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e83821db7/957a960463f9472a926ee78fdf38364d/FLAG502f3eb8e [2024-11-20 02:10:08,049 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e83821db7/957a960463f9472a926ee78fdf38364d [2024-11-20 02:10:08,052 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 02:10:08,054 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 02:10:08,057 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 02:10:08,058 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 02:10:08,063 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 02:10:08,064 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:10:08" (1/1) ... [2024-11-20 02:10:08,065 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e7c0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:10:08, skipping insertion in model container [2024-11-20 02:10:08,065 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:10:08" (1/1) ... [2024-11-20 02:10:08,141 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 02:10:08,384 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.vis_arrays_vsa16a_p4.c[1260,1273] [2024-11-20 02:10:08,695 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 02:10:08,711 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 02:10:08,725 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.vis_arrays_vsa16a_p4.c[1260,1273] [2024-11-20 02:10:08,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 02:10:08,869 INFO L204 MainTranslator]: Completed translation [2024-11-20 02:10:08,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:10:08 WrapperNode [2024-11-20 02:10:08,870 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 02:10:08,871 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 02:10:08,871 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 02:10:08,871 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 02:10:08,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:10:08" (1/1) ... [2024-11-20 02:10:08,928 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:10:08" (1/1) ... [2024-11-20 02:10:09,056 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1825 [2024-11-20 02:10:09,056 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 02:10:09,058 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 02:10:09,058 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 02:10:09,058 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 02:10:09,070 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:10:08" (1/1) ... [2024-11-20 02:10:09,070 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:10:08" (1/1) ... [2024-11-20 02:10:09,095 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:10:08" (1/1) ... [2024-11-20 02:10:09,157 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-20 02:10:09,161 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:10:08" (1/1) ... [2024-11-20 02:10:09,162 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:10:08" (1/1) ... [2024-11-20 02:10:09,224 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:10:08" (1/1) ... [2024-11-20 02:10:09,229 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:10:08" (1/1) ... [2024-11-20 02:10:09,237 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:10:08" (1/1) ... [2024-11-20 02:10:09,246 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:10:08" (1/1) ... [2024-11-20 02:10:09,262 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 02:10:09,263 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 02:10:09,263 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 02:10:09,264 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 02:10:09,264 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:10:08" (1/1) ... [2024-11-20 02:10:09,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 02:10:09,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 02:10:09,308 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) [2024-11-20 02:10:09,311 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 [2024-11-20 02:10:09,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 02:10:09,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-20 02:10:09,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 02:10:09,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 02:10:09,762 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 02:10:09,764 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 02:10:12,798 INFO L? ?]: Removed 83 outVars from TransFormulas that were not future-live. [2024-11-20 02:10:12,798 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 02:10:12,812 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 02:10:12,812 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 02:10:12,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:10:12 BoogieIcfgContainer [2024-11-20 02:10:12,813 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 02:10:12,816 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 02:10:12,816 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 02:10:12,820 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 02:10:12,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 02:10:08" (1/3) ... [2024-11-20 02:10:12,822 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c7006c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:10:12, skipping insertion in model container [2024-11-20 02:10:12,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:10:08" (2/3) ... [2024-11-20 02:10:12,823 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c7006c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:10:12, skipping insertion in model container [2024-11-20 02:10:12,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:10:12" (3/3) ... [2024-11-20 02:10:12,825 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsa16a_p4.c [2024-11-20 02:10:12,843 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 02:10:12,843 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 02:10:12,900 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 02:10:12,909 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;@4d91e998, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 02:10:12,910 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 02:10:12,915 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:10:12,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-20 02:10:12,922 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:10:12,923 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-20 02:10:12,926 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:10:12,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:10:12,934 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-20 02:10:12,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 02:10:12,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1625017194] [2024-11-20 02:10:12,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:10:12,950 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 02:10:12,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 02:10:12,954 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-20 02:10:12,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-20 02:10:13,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:10:13,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-20 02:10:13,383 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 02:10:13,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 02:10:13,581 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 02:10:13,581 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 02:10:13,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1625017194] [2024-11-20 02:10:13,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1625017194] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:10:13,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:10:13,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 02:10:13,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287823941] [2024-11-20 02:10:13,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:10:13,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 02:10:13,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 02:10:13,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 02:10:13,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 02:10:13,623 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:10:13,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:10:13,812 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-11-20 02:10:13,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 02:10:13,816 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-20 02:10:13,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:10:13,823 INFO L225 Difference]: With dead ends: 18 [2024-11-20 02:10:13,823 INFO L226 Difference]: Without dead ends: 10 [2024-11-20 02:10:13,826 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 02:10:13,832 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 02:10:13,833 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 02:10:13,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-20 02:10:13,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-20 02:10:13,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:10:13,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-20 02:10:13,864 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-20 02:10:13,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:10:13,865 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-20 02:10:13,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 02:10:13,866 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-20 02:10:13,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-20 02:10:13,867 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:10:13,867 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-20 02:10:13,873 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-20 02:10:14,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 02:10:14,068 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:10:14,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:10:14,069 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-20 02:10:14,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 02:10:14,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [488501587] [2024-11-20 02:10:14,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:10:14,073 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 02:10:14,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 02:10:14,076 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-20 02:10:14,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-20 02:10:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:10:14,771 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-20 02:10:14,789 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 02:10:15,103 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 02:10:15,104 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 02:10:20,107 WARN L249 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-11-20 02:10:20,108 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 02:10:20,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [488501587] [2024-11-20 02:10:20,109 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-11-20 02:10:20,113 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 101 [2024-11-20 02:10:20,117 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-20 02:10:20,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 02:10:20,310 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:912) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:786) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:374) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:323) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:553) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:416) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:395) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:267) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:324) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:180) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:159) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:426) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 45 more [2024-11-20 02:10:20,314 INFO L158 Benchmark]: Toolchain (without parser) took 12260.04ms. Allocated memory was 67.1MB in the beginning and 354.4MB in the end (delta: 287.3MB). Free memory was 30.7MB in the beginning and 196.1MB in the end (delta: -165.4MB). Peak memory consumption was 121.6MB. Max. memory is 16.1GB. [2024-11-20 02:10:20,314 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 54.5MB. Free memory is still 37.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 02:10:20,315 INFO L158 Benchmark]: CACSL2BoogieTranslator took 813.58ms. Allocated memory is still 67.1MB. Free memory was 30.7MB in the beginning and 24.1MB in the end (delta: 6.6MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2024-11-20 02:10:20,316 INFO L158 Benchmark]: Boogie Procedure Inliner took 185.62ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 24.1MB in the beginning and 43.3MB in the end (delta: -19.2MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2024-11-20 02:10:20,317 INFO L158 Benchmark]: Boogie Preprocessor took 204.99ms. Allocated memory is still 86.0MB. Free memory was 43.3MB in the beginning and 43.8MB in the end (delta: -464.1kB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2024-11-20 02:10:20,318 INFO L158 Benchmark]: RCFGBuilder took 3549.91ms. Allocated memory was 86.0MB in the beginning and 354.4MB in the end (delta: 268.4MB). Free memory was 43.8MB in the beginning and 268.8MB in the end (delta: -225.0MB). Peak memory consumption was 121.7MB. Max. memory is 16.1GB. [2024-11-20 02:10:20,318 INFO L158 Benchmark]: TraceAbstraction took 7497.62ms. Allocated memory is still 354.4MB. Free memory was 268.8MB in the beginning and 196.1MB in the end (delta: 72.6MB). Peak memory consumption was 74.2MB. Max. memory is 16.1GB. [2024-11-20 02:10:20,321 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 54.5MB. Free memory is still 37.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 813.58ms. Allocated memory is still 67.1MB. Free memory was 30.7MB in the beginning and 24.1MB in the end (delta: 6.6MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 185.62ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 24.1MB in the beginning and 43.3MB in the end (delta: -19.2MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 204.99ms. Allocated memory is still 86.0MB. Free memory was 43.3MB in the beginning and 43.8MB in the end (delta: -464.1kB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * RCFGBuilder took 3549.91ms. Allocated memory was 86.0MB in the beginning and 354.4MB in the end (delta: 268.4MB). Free memory was 43.8MB in the beginning and 268.8MB in the end (delta: -225.0MB). Peak memory consumption was 121.7MB. Max. memory is 16.1GB. * TraceAbstraction took 7497.62ms. Allocated memory is still 354.4MB. Free memory was 268.8MB in the beginning and 196.1MB in the end (delta: 72.6MB). Peak memory consumption was 74.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")