./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-func-interl.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 a57e2087ba2fb5712da688a78c58574dc68561b7154ad7e0d790d643e6e13ba4 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 07:26:37,790 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 07:26:37,829 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 07:26:37,836 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 07:26:37,836 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 07:26:37,851 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 07:26:37,851 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 07:26:37,852 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 07:26:37,852 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 07:26:37,852 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 07:26:37,852 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 07:26:37,852 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 07:26:37,852 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 07:26:37,852 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 07:26:37,852 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 07:26:37,852 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 07:26:37,852 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 07:26:37,852 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 07:26:37,852 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 07:26:37,853 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 07:26:37,853 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 07:26:37,853 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 07:26:37,853 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 07:26:37,853 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 07:26:37,853 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 07:26:37,853 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 07:26:37,853 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 07:26:37,853 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 07:26:37,853 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 07:26:37,853 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 07:26:37,853 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 07:26:37,853 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 07:26:37,853 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 07:26:37,853 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 07:26:37,853 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 07:26:37,853 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 07:26:37,853 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 07:26:37,854 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 07:26:37,854 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 07:26:37,854 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 07:26:37,854 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 07:26:37,854 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 07:26:37,854 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 07:26:37,854 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 07:26:37,854 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 07:26:37,854 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/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 -> a57e2087ba2fb5712da688a78c58574dc68561b7154ad7e0d790d643e6e13ba4 [2025-01-09 07:26:38,094 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 07:26:38,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 07:26:38,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 07:26:38,102 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 07:26:38,102 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 07:26:38,103 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-func-interl.c [2025-01-09 07:26:40,070 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f0a3a9cbe/df0e3ddc302a4e74b88a0e35405dfd28/FLAG252f6c7f9 [2025-01-09 07:26:40,432 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 07:26:40,432 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-func-interl.c [2025-01-09 07:26:40,448 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f0a3a9cbe/df0e3ddc302a4e74b88a0e35405dfd28/FLAG252f6c7f9 [2025-01-09 07:26:40,462 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f0a3a9cbe/df0e3ddc302a4e74b88a0e35405dfd28 [2025-01-09 07:26:40,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 07:26:40,466 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 07:26:40,467 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 07:26:40,467 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 07:26:40,470 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 07:26:40,471 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 07:26:40" (1/1) ... [2025-01-09 07:26:40,472 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f460129 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:26:40, skipping insertion in model container [2025-01-09 07:26:40,472 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 07:26:40" (1/1) ... [2025-01-09 07:26:40,511 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 07:26:40,614 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-func-interl.c[1172,1185] [2025-01-09 07:26:40,873 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 07:26:40,881 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 07:26:40,888 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-func-interl.c[1172,1185] [2025-01-09 07:26:41,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 07:26:41,037 INFO L204 MainTranslator]: Completed translation [2025-01-09 07:26:41,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:26:41 WrapperNode [2025-01-09 07:26:41,038 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 07:26:41,039 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 07:26:41,039 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 07:26:41,039 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 07:26:41,044 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:26:41" (1/1) ... [2025-01-09 07:26:41,083 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:26:41" (1/1) ... [2025-01-09 07:26:41,829 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 6061 [2025-01-09 07:26:41,830 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 07:26:41,830 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 07:26:41,830 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 07:26:41,831 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 07:26:41,839 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:26:41" (1/1) ... [2025-01-09 07:26:41,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:26:41" (1/1) ... [2025-01-09 07:26:42,051 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:26:41" (1/1) ... [2025-01-09 07:26:42,170 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-01-09 07:26:42,170 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:26:41" (1/1) ... [2025-01-09 07:26:42,171 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:26:41" (1/1) ... [2025-01-09 07:26:42,279 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:26:41" (1/1) ... [2025-01-09 07:26:42,298 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:26:41" (1/1) ... [2025-01-09 07:26:42,332 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:26:41" (1/1) ... [2025-01-09 07:26:42,362 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:26:41" (1/1) ... [2025-01-09 07:26:42,390 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:26:41" (1/1) ... [2025-01-09 07:26:42,542 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 07:26:42,545 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 07:26:42,545 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 07:26:42,545 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 07:26:42,546 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:26:41" (1/1) ... [2025-01-09 07:26:42,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 07:26:42,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 07:26:42,582 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 07:26:42,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 07:26:42,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 07:26:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 07:26:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 07:26:42,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 07:26:42,931 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 07:26:42,932 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 07:26:49,461 INFO L? ?]: Removed 3477 outVars from TransFormulas that were not future-live. [2025-01-09 07:26:49,461 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 07:26:49,515 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 07:26:49,516 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 07:26:49,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 07:26:49 BoogieIcfgContainer [2025-01-09 07:26:49,516 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 07:26:49,522 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 07:26:49,523 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 07:26:49,530 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 07:26:49,531 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 07:26:40" (1/3) ... [2025-01-09 07:26:49,532 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a4b1ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 07:26:49, skipping insertion in model container [2025-01-09 07:26:49,532 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:26:41" (2/3) ... [2025-01-09 07:26:49,533 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a4b1ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 07:26:49, skipping insertion in model container [2025-01-09 07:26:49,533 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 07:26:49" (3/3) ... [2025-01-09 07:26:49,535 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.krebs.4.prop1-func-interl.c [2025-01-09 07:26:49,549 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 07:26:49,551 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.krebs.4.prop1-func-interl.c that has 1 procedures, 2062 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 07:26:49,643 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 07:26:49,653 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;@47ef4266, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 07:26:49,654 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 07:26:49,664 INFO L276 IsEmpty]: Start isEmpty. Operand has 2062 states, 2060 states have (on average 1.5033980582524271) internal successors, (3097), 2061 states have internal predecessors, (3097), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 07:26:49,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2025-01-09 07:26:49,677 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 07:26:49,677 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 07:26:49,678 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 07:26:49,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 07:26:49,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1347114525, now seen corresponding path program 1 times [2025-01-09 07:26:49,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 07:26:49,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378265333] [2025-01-09 07:26:49,690 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 07:26:49,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 07:26:49,809 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-01-09 07:26:49,948 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-01-09 07:26:49,951 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 07:26:49,951 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 07:26:50,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 07:26:50,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 07:26:50,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378265333] [2025-01-09 07:26:50,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378265333] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 07:26:50,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 07:26:50,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 07:26:50,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103812111] [2025-01-09 07:26:50,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 07:26:50,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 07:26:50,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 07:26:50,794 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 07:26:50,794 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 07:26:50,800 INFO L87 Difference]: Start difference. First operand has 2062 states, 2060 states have (on average 1.5033980582524271) internal successors, (3097), 2061 states have internal predecessors, (3097), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 07:26:50,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 07:26:51,000 INFO L93 Difference]: Finished difference Result 3953 states and 5941 transitions. [2025-01-09 07:26:51,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 07:26:51,003 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2025-01-09 07:26:51,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 07:26:51,022 INFO L225 Difference]: With dead ends: 3953 [2025-01-09 07:26:51,022 INFO L226 Difference]: Without dead ends: 2061 [2025-01-09 07:26:51,029 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 07:26:51,031 INFO L435 NwaCegarLoop]: 3091 mSDtfsCounter, 0 mSDsluCounter, 6176 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9267 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 [2025-01-09 07:26:51,032 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9267 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 07:26:51,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2061 states. [2025-01-09 07:26:51,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2061 to 2061. [2025-01-09 07:26:51,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2061 states, 2060 states have (on average 1.5024271844660195) internal successors, (3095), 2060 states have internal predecessors, (3095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 07:26:51,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2061 states to 2061 states and 3095 transitions. [2025-01-09 07:26:51,126 INFO L78 Accepts]: Start accepts. Automaton has 2061 states and 3095 transitions. Word has length 139 [2025-01-09 07:26:51,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 07:26:51,126 INFO L471 AbstractCegarLoop]: Abstraction has 2061 states and 3095 transitions. [2025-01-09 07:26:51,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 07:26:51,127 INFO L276 IsEmpty]: Start isEmpty. Operand 2061 states and 3095 transitions. [2025-01-09 07:26:51,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2025-01-09 07:26:51,129 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 07:26:51,129 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 07:26:51,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 07:26:51,129 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 07:26:51,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 07:26:51,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1187426661, now seen corresponding path program 1 times [2025-01-09 07:26:51,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 07:26:51,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075879688] [2025-01-09 07:26:51,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 07:26:51,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 07:26:51,174 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 140 statements into 1 equivalence classes. [2025-01-09 07:26:51,219 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 140 of 140 statements. [2025-01-09 07:26:51,219 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 07:26:51,219 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 07:26:51,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 07:26:51,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 07:26:51,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075879688] [2025-01-09 07:26:51,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075879688] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 07:26:51,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 07:26:51,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 07:26:51,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328847215] [2025-01-09 07:26:51,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 07:26:51,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 07:26:51,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 07:26:51,486 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 07:26:51,486 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 07:26:51,487 INFO L87 Difference]: Start difference. First operand 2061 states and 3095 transitions. Second operand has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 07:26:51,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 07:26:51,581 INFO L93 Difference]: Finished difference Result 3954 states and 5939 transitions. [2025-01-09 07:26:51,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 07:26:51,582 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 140 [2025-01-09 07:26:51,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 07:26:51,595 INFO L225 Difference]: With dead ends: 3954 [2025-01-09 07:26:51,595 INFO L226 Difference]: Without dead ends: 2063 [2025-01-09 07:26:51,601 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 07:26:51,602 INFO L435 NwaCegarLoop]: 3091 mSDtfsCounter, 0 mSDsluCounter, 6172 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9263 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 [2025-01-09 07:26:51,602 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9263 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 07:26:51,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2063 states. [2025-01-09 07:26:51,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2063 to 2063. [2025-01-09 07:26:51,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2063 states, 2062 states have (on average 1.5019398642095054) internal successors, (3097), 2062 states have internal predecessors, (3097), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 07:26:51,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2063 states to 2063 states and 3097 transitions. [2025-01-09 07:26:51,655 INFO L78 Accepts]: Start accepts. Automaton has 2063 states and 3097 transitions. Word has length 140 [2025-01-09 07:26:51,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 07:26:51,656 INFO L471 AbstractCegarLoop]: Abstraction has 2063 states and 3097 transitions. [2025-01-09 07:26:51,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 07:26:51,656 INFO L276 IsEmpty]: Start isEmpty. Operand 2063 states and 3097 transitions. [2025-01-09 07:26:51,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2025-01-09 07:26:51,658 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 07:26:51,658 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 07:26:51,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 07:26:51,658 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 07:26:51,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 07:26:51,659 INFO L85 PathProgramCache]: Analyzing trace with hash 746514102, now seen corresponding path program 1 times [2025-01-09 07:26:51,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 07:26:51,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187486445] [2025-01-09 07:26:51,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 07:26:51,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 07:26:51,704 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes. [2025-01-09 07:26:51,731 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements. [2025-01-09 07:26:51,731 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 07:26:51,731 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 07:26:51,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 07:26:51,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 07:26:51,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187486445] [2025-01-09 07:26:51,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187486445] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 07:26:51,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 07:26:51,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 07:26:51,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98718009] [2025-01-09 07:26:51,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 07:26:51,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 07:26:51,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 07:26:51,992 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 07:26:51,992 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 07:26:51,992 INFO L87 Difference]: Start difference. First operand 2063 states and 3097 transitions. Second operand has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 07:26:52,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 07:26:52,072 INFO L93 Difference]: Finished difference Result 3962 states and 5949 transitions. [2025-01-09 07:26:52,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 07:26:52,073 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2025-01-09 07:26:52,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 07:26:52,081 INFO L225 Difference]: With dead ends: 3962 [2025-01-09 07:26:52,081 INFO L226 Difference]: Without dead ends: 2069 [2025-01-09 07:26:52,084 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 07:26:52,085 INFO L435 NwaCegarLoop]: 3091 mSDtfsCounter, 4 mSDsluCounter, 6166 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 9257 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 07:26:52,085 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 9257 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 07:26:52,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2069 states. [2025-01-09 07:26:52,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2069 to 2069. [2025-01-09 07:26:52,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2069 states, 2068 states have (on average 1.501450676982592) internal successors, (3105), 2068 states have internal predecessors, (3105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 07:26:52,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2069 states to 2069 states and 3105 transitions. [2025-01-09 07:26:52,130 INFO L78 Accepts]: Start accepts. Automaton has 2069 states and 3105 transitions. Word has length 141 [2025-01-09 07:26:52,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 07:26:52,130 INFO L471 AbstractCegarLoop]: Abstraction has 2069 states and 3105 transitions. [2025-01-09 07:26:52,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 07:26:52,131 INFO L276 IsEmpty]: Start isEmpty. Operand 2069 states and 3105 transitions. [2025-01-09 07:26:52,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2025-01-09 07:26:52,132 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 07:26:52,132 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 07:26:52,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 07:26:52,132 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 07:26:52,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 07:26:52,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1573808823, now seen corresponding path program 1 times [2025-01-09 07:26:52,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 07:26:52,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744633760] [2025-01-09 07:26:52,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 07:26:52,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 07:26:52,167 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-01-09 07:26:52,198 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-01-09 07:26:52,199 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 07:26:52,199 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 07:26:52,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 07:26:52,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 07:26:52,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744633760] [2025-01-09 07:26:52,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744633760] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 07:26:52,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 07:26:52,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 07:26:52,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213036463] [2025-01-09 07:26:52,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 07:26:52,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 07:26:52,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 07:26:52,433 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 07:26:52,433 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 07:26:52,434 INFO L87 Difference]: Start difference. First operand 2069 states and 3105 transitions. Second operand has 5 states, 5 states have (on average 28.4) internal successors, (142), 5 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 07:26:52,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 07:26:52,551 INFO L93 Difference]: Finished difference Result 3972 states and 5961 transitions. [2025-01-09 07:26:52,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 07:26:52,552 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.4) internal successors, (142), 5 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 142 [2025-01-09 07:26:52,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 07:26:52,560 INFO L225 Difference]: With dead ends: 3972 [2025-01-09 07:26:52,560 INFO L226 Difference]: Without dead ends: 2073 [2025-01-09 07:26:52,563 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 07:26:52,564 INFO L435 NwaCegarLoop]: 3091 mSDtfsCounter, 0 mSDsluCounter, 9239 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12330 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 07:26:52,564 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12330 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 07:26:52,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2073 states. [2025-01-09 07:26:52,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2073 to 2069. [2025-01-09 07:26:52,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2069 states, 2068 states have (on average 1.501450676982592) internal successors, (3105), 2068 states have internal predecessors, (3105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 07:26:52,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2069 states to 2069 states and 3105 transitions. [2025-01-09 07:26:52,606 INFO L78 Accepts]: Start accepts. Automaton has 2069 states and 3105 transitions. Word has length 142 [2025-01-09 07:26:52,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 07:26:52,607 INFO L471 AbstractCegarLoop]: Abstraction has 2069 states and 3105 transitions. [2025-01-09 07:26:52,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.4) internal successors, (142), 5 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 07:26:52,607 INFO L276 IsEmpty]: Start isEmpty. Operand 2069 states and 3105 transitions. [2025-01-09 07:26:52,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2025-01-09 07:26:52,608 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 07:26:52,608 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 07:26:52,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 07:26:52,608 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 07:26:52,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 07:26:52,609 INFO L85 PathProgramCache]: Analyzing trace with hash -634545585, now seen corresponding path program 1 times [2025-01-09 07:26:52,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 07:26:52,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764928977] [2025-01-09 07:26:52,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 07:26:52,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 07:26:52,642 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-01-09 07:26:52,681 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-01-09 07:26:52,681 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 07:26:52,681 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 07:26:52,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 07:26:52,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 07:26:52,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764928977] [2025-01-09 07:26:52,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764928977] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 07:26:52,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 07:26:52,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 07:26:52,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063620114] [2025-01-09 07:26:52,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 07:26:52,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 07:26:52,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 07:26:52,973 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 07:26:52,973 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-09 07:26:52,973 INFO L87 Difference]: Start difference. First operand 2069 states and 3105 transitions. Second operand has 5 states, 5 states have (on average 28.6) internal successors, (143), 5 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 07:26:54,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 07:26:54,859 INFO L93 Difference]: Finished difference Result 5851 states and 8783 transitions. [2025-01-09 07:26:54,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 07:26:54,859 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 5 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 143 [2025-01-09 07:26:54,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 07:26:54,876 INFO L225 Difference]: With dead ends: 5851 [2025-01-09 07:26:54,876 INFO L226 Difference]: Without dead ends: 3952 [2025-01-09 07:26:54,880 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-01-09 07:26:54,881 INFO L435 NwaCegarLoop]: 2447 mSDtfsCounter, 2945 mSDsluCounter, 7193 mSDsCounter, 0 mSdLazyCounter, 2479 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2945 SdHoareTripleChecker+Valid, 9640 SdHoareTripleChecker+Invalid, 2480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-01-09 07:26:54,881 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2945 Valid, 9640 Invalid, 2480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2479 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-01-09 07:26:54,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2025-01-09 07:26:54,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 2156. [2025-01-09 07:26:54,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2156 states, 2155 states have (on average 1.5006960556844549) internal successors, (3234), 2155 states have internal predecessors, (3234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 07:26:54,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2156 states to 2156 states and 3234 transitions. [2025-01-09 07:26:54,948 INFO L78 Accepts]: Start accepts. Automaton has 2156 states and 3234 transitions. Word has length 143 [2025-01-09 07:26:54,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 07:26:54,948 INFO L471 AbstractCegarLoop]: Abstraction has 2156 states and 3234 transitions. [2025-01-09 07:26:54,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 5 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 07:26:54,949 INFO L276 IsEmpty]: Start isEmpty. Operand 2156 states and 3234 transitions. [2025-01-09 07:26:54,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2025-01-09 07:26:54,950 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 07:26:54,950 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 07:26:54,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 07:26:54,950 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 07:26:54,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 07:26:54,951 INFO L85 PathProgramCache]: Analyzing trace with hash 2037908389, now seen corresponding path program 1 times [2025-01-09 07:26:54,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 07:26:54,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990925041] [2025-01-09 07:26:54,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 07:26:54,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 07:26:54,986 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-01-09 07:26:55,014 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-01-09 07:26:55,014 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 07:26:55,014 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 07:26:55,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 07:26:55,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 07:26:55,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990925041] [2025-01-09 07:26:55,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990925041] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 07:26:55,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 07:26:55,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 07:26:55,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243042979] [2025-01-09 07:26:55,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 07:26:55,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 07:26:55,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 07:26:55,258 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 07:26:55,258 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-09 07:26:55,258 INFO L87 Difference]: Start difference. First operand 2156 states and 3234 transitions. Second operand has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 07:26:56,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 07:26:56,312 INFO L93 Difference]: Finished difference Result 4055 states and 6085 transitions. [2025-01-09 07:26:56,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 07:26:56,312 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 144 [2025-01-09 07:26:56,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 07:26:56,319 INFO L225 Difference]: With dead ends: 4055 [2025-01-09 07:26:56,319 INFO L226 Difference]: Without dead ends: 2156 [2025-01-09 07:26:56,322 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-09 07:26:56,323 INFO L435 NwaCegarLoop]: 2437 mSDtfsCounter, 2959 mSDsluCounter, 4863 mSDsCounter, 0 mSdLazyCounter, 1964 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2959 SdHoareTripleChecker+Valid, 7300 SdHoareTripleChecker+Invalid, 1965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1964 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-01-09 07:26:56,324 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2959 Valid, 7300 Invalid, 1965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1964 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-01-09 07:26:56,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2156 states. [2025-01-09 07:26:56,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2156 to 2156. [2025-01-09 07:26:56,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2156 states, 2155 states have (on average 1.4988399071925753) internal successors, (3230), 2155 states have internal predecessors, (3230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 07:26:56,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2156 states to 2156 states and 3230 transitions. [2025-01-09 07:26:56,362 INFO L78 Accepts]: Start accepts. Automaton has 2156 states and 3230 transitions. Word has length 144 [2025-01-09 07:26:56,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 07:26:56,363 INFO L471 AbstractCegarLoop]: Abstraction has 2156 states and 3230 transitions. [2025-01-09 07:26:56,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 07:26:56,363 INFO L276 IsEmpty]: Start isEmpty. Operand 2156 states and 3230 transitions. [2025-01-09 07:26:56,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2025-01-09 07:26:56,364 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 07:26:56,364 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 07:26:56,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-09 07:26:56,364 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 07:26:56,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 07:26:56,365 INFO L85 PathProgramCache]: Analyzing trace with hash -930002224, now seen corresponding path program 1 times [2025-01-09 07:26:56,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 07:26:56,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4979794] [2025-01-09 07:26:56,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 07:26:56,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 07:26:56,400 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 145 statements into 1 equivalence classes. [2025-01-09 07:26:56,422 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 145 of 145 statements. [2025-01-09 07:26:56,423 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 07:26:56,423 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 07:26:56,423 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 07:26:56,443 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 145 statements into 1 equivalence classes. [2025-01-09 07:26:56,475 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 145 of 145 statements. [2025-01-09 07:26:56,476 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 07:26:56,476 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 07:26:56,554 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 07:26:56,554 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 07:26:56,555 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 07:26:56,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-09 07:26:56,559 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2025-01-09 07:26:56,667 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 07:26:56,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 07:26:56 BoogieIcfgContainer [2025-01-09 07:26:56,669 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 07:26:56,670 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 07:26:56,670 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 07:26:56,670 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 07:26:56,672 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 07:26:49" (3/4) ... [2025-01-09 07:26:56,674 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 07:26:56,675 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 07:26:56,675 INFO L158 Benchmark]: Toolchain (without parser) took 16209.84ms. Allocated memory was 142.6MB in the beginning and 956.3MB in the end (delta: 813.7MB). Free memory was 103.9MB in the beginning and 558.3MB in the end (delta: -454.5MB). Peak memory consumption was 365.6MB. Max. memory is 16.1GB. [2025-01-09 07:26:56,675 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 126.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 07:26:56,676 INFO L158 Benchmark]: CACSL2BoogieTranslator took 572.05ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 77.7MB in the end (delta: 26.1MB). Peak memory consumption was 100.0MB. Max. memory is 16.1GB. [2025-01-09 07:26:56,676 INFO L158 Benchmark]: Boogie Procedure Inliner took 790.47ms. Allocated memory was 142.6MB in the beginning and 503.3MB in the end (delta: 360.7MB). Free memory was 77.7MB in the beginning and 332.4MB in the end (delta: -254.7MB). Peak memory consumption was 119.1MB. Max. memory is 16.1GB. [2025-01-09 07:26:56,677 INFO L158 Benchmark]: Boogie Preprocessor took 712.87ms. Allocated memory is still 503.3MB. Free memory was 332.4MB in the beginning and 291.8MB in the end (delta: 40.7MB). Peak memory consumption was 64.9MB. Max. memory is 16.1GB. [2025-01-09 07:26:56,677 INFO L158 Benchmark]: RCFGBuilder took 6971.21ms. Allocated memory was 503.3MB in the beginning and 956.3MB in the end (delta: 453.0MB). Free memory was 291.8MB in the beginning and 681.6MB in the end (delta: -389.8MB). Peak memory consumption was 232.6MB. Max. memory is 16.1GB. [2025-01-09 07:26:56,678 INFO L158 Benchmark]: TraceAbstraction took 7147.60ms. Allocated memory is still 956.3MB. Free memory was 681.6MB in the beginning and 558.4MB in the end (delta: 123.2MB). Peak memory consumption was 123.2MB. Max. memory is 16.1GB. [2025-01-09 07:26:56,678 INFO L158 Benchmark]: Witness Printer took 4.83ms. Allocated memory is still 956.3MB. Free memory was 558.4MB in the beginning and 558.3MB in the end (delta: 82.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 07:26:56,679 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 126.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 572.05ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 77.7MB in the end (delta: 26.1MB). Peak memory consumption was 100.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 790.47ms. Allocated memory was 142.6MB in the beginning and 503.3MB in the end (delta: 360.7MB). Free memory was 77.7MB in the beginning and 332.4MB in the end (delta: -254.7MB). Peak memory consumption was 119.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 712.87ms. Allocated memory is still 503.3MB. Free memory was 332.4MB in the beginning and 291.8MB in the end (delta: 40.7MB). Peak memory consumption was 64.9MB. Max. memory is 16.1GB. * RCFGBuilder took 6971.21ms. Allocated memory was 503.3MB in the beginning and 956.3MB in the end (delta: 453.0MB). Free memory was 291.8MB in the beginning and 681.6MB in the end (delta: -389.8MB). Peak memory consumption was 232.6MB. Max. memory is 16.1GB. * TraceAbstraction took 7147.60ms. Allocated memory is still 956.3MB. Free memory was 681.6MB in the beginning and 558.4MB in the end (delta: 123.2MB). Peak memory consumption was 123.2MB. Max. memory is 16.1GB. * Witness Printer took 4.83ms. Allocated memory is still 956.3MB. Free memory was 558.4MB in the beginning and 558.3MB in the end (delta: 82.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 255, overapproximation of bitwiseAnd at line 253. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L38] const SORT_2 var_5 = 0; [L39] const SORT_1 var_30 = 0; [L40] const SORT_3 var_91 = 0; [L41] const SORT_4 var_93 = 80; [L42] const SORT_2 var_97 = 15; [L43] const SORT_4 var_101 = 1; [L44] const SORT_2 var_107 = 4; [L45] const SORT_4 var_109 = 2; [L46] const SORT_2 var_133 = 12; [L47] const SORT_2 var_160 = 2; [L48] const SORT_2 var_225 = 10; [L50] SORT_1 input_98; [L51] SORT_1 input_108; [L52] SORT_1 input_114; [L53] SORT_1 input_138; [L54] SORT_1 input_141; [L55] SORT_1 input_142; [L56] SORT_1 input_143; [L57] SORT_1 input_144; [L58] SORT_1 input_145; [L59] SORT_1 input_146; [L60] SORT_1 input_167; [L61] SORT_1 input_168; [L62] SORT_1 input_169; [L63] SORT_1 input_194; [L64] SORT_1 input_198; [L65] SORT_1 input_199; [L66] SORT_1 input_245; [L67] SORT_1 input_248; [L68] SORT_1 input_249; [L69] SORT_1 input_272; [L70] SORT_1 input_293; [L71] SORT_1 input_314; [L73] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L73] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L74] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L74] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L75] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L75] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L76] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L76] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L77] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L78] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L79] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L80] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L81] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L82] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L83] SORT_2 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L84] SORT_2 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L85] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L86] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L87] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L88] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L89] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L90] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L91] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L92] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L93] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L94] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L95] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L96] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L97] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L97] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L98] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L99] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L100] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L101] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L102] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L102] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L103] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L103] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L104] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L104] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L105] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L106] SORT_1 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L107] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L107] SORT_1 state_75 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L108] SORT_1 state_77 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L109] SORT_1 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L110] SORT_1 state_81 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L111] SORT_1 state_83 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L112] SORT_1 state_85 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L113] SORT_1 state_87 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L114] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L114] SORT_1 state_89 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L116] SORT_2 init_7_arg_1 = var_5; [L117] state_6 = init_7_arg_1 [L118] SORT_2 init_9_arg_1 = var_5; [L119] state_8 = init_9_arg_1 [L120] SORT_2 init_11_arg_1 = var_5; [L121] state_10 = init_11_arg_1 [L122] SORT_2 init_13_arg_1 = var_5; [L123] state_12 = init_13_arg_1 [L124] SORT_2 init_15_arg_1 = var_5; [L125] state_14 = init_15_arg_1 [L126] SORT_2 init_17_arg_1 = var_5; [L127] state_16 = init_17_arg_1 [L128] SORT_2 init_19_arg_1 = var_5; [L129] state_18 = init_19_arg_1 [L130] SORT_2 init_21_arg_1 = var_5; [L131] state_20 = init_21_arg_1 [L132] SORT_2 init_23_arg_1 = var_5; [L133] state_22 = init_23_arg_1 [L134] SORT_2 init_25_arg_1 = var_5; [L135] state_24 = init_25_arg_1 [L136] SORT_2 init_27_arg_1 = var_5; [L137] state_26 = init_27_arg_1 [L138] SORT_2 init_29_arg_1 = var_5; [L139] state_28 = init_29_arg_1 [L140] SORT_1 init_32_arg_1 = var_30; [L141] state_31 = init_32_arg_1 [L142] SORT_1 init_34_arg_1 = var_30; [L143] state_33 = init_34_arg_1 [L144] SORT_1 init_36_arg_1 = var_30; [L145] state_35 = init_36_arg_1 [L146] SORT_1 init_38_arg_1 = var_30; [L147] state_37 = init_38_arg_1 [L148] SORT_1 init_40_arg_1 = var_30; [L149] state_39 = init_40_arg_1 [L150] SORT_1 init_42_arg_1 = var_30; [L151] state_41 = init_42_arg_1 [L152] SORT_1 init_44_arg_1 = var_30; [L153] state_43 = init_44_arg_1 [L154] SORT_1 init_46_arg_1 = var_30; [L155] state_45 = init_46_arg_1 [L156] SORT_1 init_48_arg_1 = var_30; [L157] state_47 = init_48_arg_1 [L158] SORT_1 init_50_arg_1 = var_30; [L159] state_49 = init_50_arg_1 [L160] SORT_1 init_52_arg_1 = var_30; [L161] state_51 = init_52_arg_1 [L162] SORT_1 init_54_arg_1 = var_30; [L163] state_53 = init_54_arg_1 [L164] SORT_1 init_56_arg_1 = var_30; [L165] state_55 = init_56_arg_1 [L166] SORT_1 init_58_arg_1 = var_30; [L167] state_57 = init_58_arg_1 [L168] SORT_1 init_60_arg_1 = var_30; [L169] state_59 = init_60_arg_1 [L170] SORT_1 init_62_arg_1 = var_30; [L171] state_61 = init_62_arg_1 [L172] SORT_1 init_64_arg_1 = var_30; [L173] state_63 = init_64_arg_1 [L174] SORT_1 init_66_arg_1 = var_30; [L175] state_65 = init_66_arg_1 [L176] SORT_1 init_68_arg_1 = var_30; [L177] state_67 = init_68_arg_1 [L178] SORT_1 init_70_arg_1 = var_30; [L179] state_69 = init_70_arg_1 [L180] SORT_1 init_72_arg_1 = var_30; [L181] state_71 = init_72_arg_1 [L182] SORT_1 init_74_arg_1 = var_30; [L183] state_73 = init_74_arg_1 [L184] SORT_1 init_76_arg_1 = var_30; [L185] state_75 = init_76_arg_1 [L186] SORT_1 init_78_arg_1 = var_30; [L187] state_77 = init_78_arg_1 [L188] SORT_1 init_80_arg_1 = var_30; [L189] state_79 = init_80_arg_1 [L190] SORT_1 init_82_arg_1 = var_30; [L191] state_81 = init_82_arg_1 [L192] SORT_1 init_84_arg_1 = var_30; [L193] state_83 = init_84_arg_1 [L194] SORT_1 init_86_arg_1 = var_30; [L195] state_85 = init_86_arg_1 [L196] SORT_1 init_88_arg_1 = var_30; [L197] state_87 = init_88_arg_1 [L198] SORT_1 init_90_arg_1 = var_30; [L199] state_89 = init_90_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L202] input_98 = __VERIFIER_nondet_uchar() [L203] EXPR input_98 & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L203] input_98 = input_98 & mask_SORT_1 [L204] input_108 = __VERIFIER_nondet_uchar() [L205] EXPR input_108 & mask_SORT_1 VAL [input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L205] input_108 = input_108 & mask_SORT_1 [L206] input_114 = __VERIFIER_nondet_uchar() [L207] EXPR input_114 & mask_SORT_1 VAL [input_108=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L207] input_114 = input_114 & mask_SORT_1 [L208] input_138 = __VERIFIER_nondet_uchar() [L209] EXPR input_138 & mask_SORT_1 VAL [input_108=0, input_114=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L209] input_138 = input_138 & mask_SORT_1 [L210] input_141 = __VERIFIER_nondet_uchar() [L211] EXPR input_141 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L211] input_141 = input_141 & mask_SORT_1 [L212] input_142 = __VERIFIER_nondet_uchar() [L213] EXPR input_142 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L213] input_142 = input_142 & mask_SORT_1 [L214] input_143 = __VERIFIER_nondet_uchar() [L215] EXPR input_143 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L215] input_143 = input_143 & mask_SORT_1 [L216] input_144 = __VERIFIER_nondet_uchar() [L217] EXPR input_144 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L217] input_144 = input_144 & mask_SORT_1 [L218] input_145 = __VERIFIER_nondet_uchar() [L219] EXPR input_145 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L219] input_145 = input_145 & mask_SORT_1 [L220] input_146 = __VERIFIER_nondet_uchar() [L221] EXPR input_146 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L221] input_146 = input_146 & mask_SORT_1 [L222] input_167 = __VERIFIER_nondet_uchar() [L223] EXPR input_167 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L223] input_167 = input_167 & mask_SORT_1 [L224] input_168 = __VERIFIER_nondet_uchar() [L225] EXPR input_168 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L225] input_168 = input_168 & mask_SORT_1 [L226] input_169 = __VERIFIER_nondet_uchar() [L227] EXPR input_169 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_168=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L227] input_169 = input_169 & mask_SORT_1 [L228] input_194 = __VERIFIER_nondet_uchar() [L229] EXPR input_194 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_168=0, input_169=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L229] input_194 = input_194 & mask_SORT_1 [L230] input_198 = __VERIFIER_nondet_uchar() [L231] EXPR input_198 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_168=0, input_169=0, input_194=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L231] input_198 = input_198 & mask_SORT_1 [L232] input_199 = __VERIFIER_nondet_uchar() [L233] EXPR input_199 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_168=0, input_169=0, input_194=0, input_198=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L233] input_199 = input_199 & mask_SORT_1 [L234] input_245 = __VERIFIER_nondet_uchar() [L235] EXPR input_245 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_168=0, input_169=0, input_194=0, input_198=0, input_199=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L235] input_245 = input_245 & mask_SORT_1 [L236] input_248 = __VERIFIER_nondet_uchar() [L237] EXPR input_248 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_168=0, input_169=0, input_194=0, input_198=0, input_199=0, input_245=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L237] input_248 = input_248 & mask_SORT_1 [L238] input_249 = __VERIFIER_nondet_uchar() [L239] EXPR input_249 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_168=0, input_169=0, input_194=0, input_198=0, input_199=0, input_245=0, input_248=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L239] input_249 = input_249 & mask_SORT_1 [L240] input_272 = __VERIFIER_nondet_uchar() [L241] input_293 = __VERIFIER_nondet_uchar() [L242] input_314 = __VERIFIER_nondet_uchar() [L245] SORT_3 var_92_arg_0 = var_91; [L246] SORT_2 var_92_arg_1 = state_28; VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_168=0, input_169=0, input_194=0, input_198=0, input_199=0, input_245=0, input_248=0, input_249=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_92_arg_0=0, var_92_arg_1=0, var_93=80, var_97=15] [L247] EXPR ((SORT_4)var_92_arg_0 << 8) | var_92_arg_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_168=0, input_169=0, input_194=0, input_198=0, input_199=0, input_245=0, input_248=0, input_249=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L247] SORT_4 var_92 = ((SORT_4)var_92_arg_0 << 8) | var_92_arg_1; [L248] EXPR var_92 & mask_SORT_4 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_168=0, input_169=0, input_194=0, input_198=0, input_199=0, input_245=0, input_248=0, input_249=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L248] var_92 = var_92 & mask_SORT_4 [L249] SORT_4 var_94_arg_0 = var_92; [L250] SORT_4 var_94_arg_1 = var_93; [L251] SORT_1 var_94 = var_94_arg_0 <= var_94_arg_1; [L252] SORT_1 var_95_arg_0 = ~state_89; VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_168=0, input_169=0, input_194=0, input_198=0, input_199=0, input_245=0, input_248=0, input_249=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_92=0, var_93=80, var_94=1, var_95_arg_0=-1, var_97=15] [L253] EXPR var_95_arg_0 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_168=0, input_169=0, input_194=0, input_198=0, input_199=0, input_245=0, input_248=0, input_249=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_92=0, var_93=80, var_94=1, var_97=15] [L253] var_95_arg_0 = var_95_arg_0 & mask_SORT_1 [L254] SORT_1 var_95_arg_1 = ~var_94; VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_168=0, input_169=0, input_194=0, input_198=0, input_199=0, input_245=0, input_248=0, input_249=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_92=0, var_93=80, var_95_arg_0=1, var_95_arg_1=-2, var_97=15] [L255] EXPR var_95_arg_1 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_168=0, input_169=0, input_194=0, input_198=0, input_199=0, input_245=0, input_248=0, input_249=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_92=0, var_93=80, var_95_arg_0=1, var_97=15] [L255] var_95_arg_1 = var_95_arg_1 & mask_SORT_1 [L256] EXPR var_95_arg_0 & var_95_arg_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_168=0, input_169=0, input_194=0, input_198=0, input_199=0, input_245=0, input_248=0, input_249=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_92=0, var_93=80, var_97=15] [L256] SORT_1 var_95 = var_95_arg_0 & var_95_arg_1; [L257] EXPR var_95 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_168=0, input_169=0, input_194=0, input_198=0, input_199=0, input_245=0, input_248=0, input_249=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_92=0, var_93=80, var_97=15] [L257] var_95 = var_95 & mask_SORT_1 [L258] SORT_1 bad_96_arg_0 = var_95; [L259] CALL __VERIFIER_assert(!(bad_96_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 2062 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.0s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5908 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5908 mSDsluCounter, 57057 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 39809 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4531 IncrementalHoareTripleChecker+Invalid, 4534 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 17248 mSDtfsCounter, 4531 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2156occurred in iteration=5, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 1800 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 994 NumberOfCodeBlocks, 994 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 843 ConstructedInterpolants, 0 QuantifiedInterpolants, 1956 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-01-09 07:26:56,704 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-func-interl.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 a57e2087ba2fb5712da688a78c58574dc68561b7154ad7e0d790d643e6e13ba4 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 07:26:59,238 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 07:26:59,325 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2025-01-09 07:26:59,336 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 07:26:59,336 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 07:26:59,364 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 07:26:59,367 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 07:26:59,368 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 07:26:59,368 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 07:26:59,368 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 07:26:59,369 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 07:26:59,369 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 07:26:59,369 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 07:26:59,369 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 07:26:59,370 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 07:26:59,370 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 07:26:59,370 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 07:26:59,371 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 07:26:59,371 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 07:26:59,371 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 07:26:59,371 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 07:26:59,371 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 07:26:59,371 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 07:26:59,371 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 07:26:59,371 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 07:26:59,371 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 07:26:59,371 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 07:26:59,372 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 07:26:59,372 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 07:26:59,372 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 07:26:59,372 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 07:26:59,372 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 07:26:59,372 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 07:26:59,372 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 07:26:59,373 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 07:26:59,373 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 07:26:59,373 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 07:26:59,373 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 07:26:59,373 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 07:26:59,373 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 07:26:59,373 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 07:26:59,374 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 07:26:59,374 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 07:26:59,374 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 07:26:59,374 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 07:26:59,374 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 07:26:59,374 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 07:26:59,374 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/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 -> a57e2087ba2fb5712da688a78c58574dc68561b7154ad7e0d790d643e6e13ba4 [2025-01-09 07:26:59,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 07:26:59,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 07:26:59,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 07:26:59,736 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 07:26:59,736 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 07:26:59,740 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-func-interl.c [2025-01-09 07:27:01,184 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0965a3f6d/69b2e0ceb4474adea59bc910af1dfaa1/FLAG6114552e9 [2025-01-09 07:27:01,542 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 07:27:01,543 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-func-interl.c [2025-01-09 07:27:01,569 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0965a3f6d/69b2e0ceb4474adea59bc910af1dfaa1/FLAG6114552e9 [2025-01-09 07:27:01,587 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0965a3f6d/69b2e0ceb4474adea59bc910af1dfaa1 [2025-01-09 07:27:01,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 07:27:01,594 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 07:27:01,595 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 07:27:01,598 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 07:27:01,601 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 07:27:01,602 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 07:27:01" (1/1) ... [2025-01-09 07:27:01,603 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@522cb537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:27:01, skipping insertion in model container [2025-01-09 07:27:01,603 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 07:27:01" (1/1) ... [2025-01-09 07:27:01,659 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 07:27:01,848 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-func-interl.c[1172,1185] [2025-01-09 07:27:02,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 07:27:02,160 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 07:27:02,172 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-func-interl.c[1172,1185] [2025-01-09 07:27:02,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 07:27:02,330 INFO L204 MainTranslator]: Completed translation [2025-01-09 07:27:02,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:27:02 WrapperNode [2025-01-09 07:27:02,333 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 07:27:02,335 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 07:27:02,335 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 07:27:02,335 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 07:27:02,341 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:27:02" (1/1) ... [2025-01-09 07:27:02,386 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:27:02" (1/1) ... [2025-01-09 07:27:02,506 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1957 [2025-01-09 07:27:02,506 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 07:27:02,507 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 07:27:02,507 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 07:27:02,507 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 07:27:02,515 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:27:02" (1/1) ... [2025-01-09 07:27:02,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:27:02" (1/1) ... [2025-01-09 07:27:02,530 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:27:02" (1/1) ... [2025-01-09 07:27:02,575 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-01-09 07:27:02,577 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:27:02" (1/1) ... [2025-01-09 07:27:02,578 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:27:02" (1/1) ... [2025-01-09 07:27:02,613 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:27:02" (1/1) ... [2025-01-09 07:27:02,617 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:27:02" (1/1) ... [2025-01-09 07:27:02,621 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:27:02" (1/1) ... [2025-01-09 07:27:02,626 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:27:02" (1/1) ... [2025-01-09 07:27:02,631 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:27:02" (1/1) ... [2025-01-09 07:27:02,653 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 07:27:02,654 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 07:27:02,654 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 07:27:02,654 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 07:27:02,656 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:27:02" (1/1) ... [2025-01-09 07:27:02,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 07:27:02,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 07:27:02,710 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 07:27:02,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 07:27:02,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 07:27:02,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 07:27:02,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 07:27:02,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 07:27:03,075 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 07:27:03,076 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 07:27:04,822 INFO L? ?]: Removed 85 outVars from TransFormulas that were not future-live. [2025-01-09 07:27:04,823 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 07:27:04,830 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 07:27:04,831 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 07:27:04,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 07:27:04 BoogieIcfgContainer [2025-01-09 07:27:04,832 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 07:27:04,834 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 07:27:04,834 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 07:27:04,840 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 07:27:04,840 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 07:27:01" (1/3) ... [2025-01-09 07:27:04,842 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14e1eb09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 07:27:04, skipping insertion in model container [2025-01-09 07:27:04,842 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:27:02" (2/3) ... [2025-01-09 07:27:04,842 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14e1eb09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 07:27:04, skipping insertion in model container [2025-01-09 07:27:04,842 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 07:27:04" (3/3) ... [2025-01-09 07:27:04,843 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.krebs.4.prop1-func-interl.c [2025-01-09 07:27:04,856 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 07:27:04,858 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.krebs.4.prop1-func-interl.c that has 1 procedures, 10 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 07:27:04,900 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 07:27:04,912 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;@11b026e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 07:27:04,912 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 07:27:04,916 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 07:27:04,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-01-09 07:27:04,921 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 07:27:04,921 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-01-09 07:27:04,922 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 07:27:04,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 07:27:04,927 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2025-01-09 07:27:04,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 07:27:04,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1754509629] [2025-01-09 07:27:04,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 07:27:04,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 07:27:04,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 07:27:04,943 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 07:27:04,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-09 07:27:05,304 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-09 07:27:05,344 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-09 07:27:05,345 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 07:27:05,345 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 07:27:05,352 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-01-09 07:27:05,367 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 07:27:05,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 07:27:05,514 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 07:27:05,515 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 07:27:05,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1754509629] [2025-01-09 07:27:05,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1754509629] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 07:27:05,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 07:27:05,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 07:27:05,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101833217] [2025-01-09 07:27:05,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 07:27:05,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 07:27:05,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 07:27:05,536 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 07:27:05,537 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 07:27:05,539 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 07:27:05,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 07:27:05,671 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2025-01-09 07:27:05,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 07:27:05,678 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-01-09 07:27:05,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 07:27:05,691 INFO L225 Difference]: With dead ends: 18 [2025-01-09 07:27:05,692 INFO L226 Difference]: Without dead ends: 10 [2025-01-09 07:27:05,694 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-09 07:27:05,696 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 07:27:05,701 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 07:27:05,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2025-01-09 07:27:05,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2025-01-09 07:27:05,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 07:27:05,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2025-01-09 07:27:05,746 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2025-01-09 07:27:05,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 07:27:05,746 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2025-01-09 07:27:05,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 07:27:05,747 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2025-01-09 07:27:05,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-01-09 07:27:05,747 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 07:27:05,747 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2025-01-09 07:27:05,755 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-01-09 07:27:05,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 07:27:05,949 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 07:27:05,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 07:27:05,949 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2025-01-09 07:27:05,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 07:27:05,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [607697136] [2025-01-09 07:27:05,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 07:27:05,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 07:27:05,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 07:27:05,953 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 07:27:05,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-09 07:27:06,337 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-09 07:27:06,496 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-09 07:27:06,497 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 07:27:06,497 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 07:27:06,508 INFO L256 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-01-09 07:27:06,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 07:27:06,907 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 07:27:06,907 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 07:27:53,280 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 07:27:53,280 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 07:27:53,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [607697136] [2025-01-09 07:27:53,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [607697136] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-09 07:27:53,281 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-09 07:27:53,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2025-01-09 07:27:53,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28938045] [2025-01-09 07:27:53,282 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-09 07:27:53,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-09 07:27:53,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 07:27:53,283 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-09 07:27:53,283 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=83, Unknown=9, NotChecked=0, Total=132 [2025-01-09 07:27:53,283 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 12 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 07:28:08,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 07:28:08,359 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2025-01-09 07:28:08,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-09 07:28:08,360 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 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 8 [2025-01-09 07:28:08,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 07:28:08,360 INFO L225 Difference]: With dead ends: 18 [2025-01-09 07:28:08,361 INFO L226 Difference]: Without dead ends: 16 [2025-01-09 07:28:08,361 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 59.0s TimeCoverageRelationStatistics Valid=91, Invalid=170, Unknown=11, NotChecked=0, Total=272 [2025-01-09 07:28:08,362 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 6 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-01-09 07:28:08,362 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 19 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-01-09 07:28:08,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2025-01-09 07:28:08,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2025-01-09 07:28:08,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 07:28:08,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2025-01-09 07:28:08,365 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 8 [2025-01-09 07:28:08,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 07:28:08,365 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2025-01-09 07:28:08,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 07:28:08,365 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2025-01-09 07:28:08,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-01-09 07:28:08,366 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 07:28:08,366 INFO L218 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2025-01-09 07:28:08,376 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-09 07:28:08,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 07:28:08,570 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 07:28:08,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 07:28:08,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1333570723, now seen corresponding path program 2 times [2025-01-09 07:28:08,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 07:28:08,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2052775611] [2025-01-09 07:28:08,573 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-09 07:28:08,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 07:28:08,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 07:28:08,575 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 07:28:08,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-09 07:28:09,029 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 14 statements into 2 equivalence classes. [2025-01-09 07:28:09,197 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 14 of 14 statements. [2025-01-09 07:28:09,197 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-09 07:28:09,197 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 07:28:09,224 INFO L256 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 44 conjuncts are in the unsatisfiable core [2025-01-09 07:28:09,240 INFO L279 TraceCheckSpWp]: Computing forward predicates...