./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.3.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.3.prop1-func-interl.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4c71fab330bdc6012057120a447b5cc1b5316aa36d41a10077f304914f3f84a7 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-16 21:49:40,144 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-16 21:49:40,190 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-16 21:49:40,195 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-16 21:49:40,196 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-16 21:49:40,212 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-16 21:49:40,212 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-16 21:49:40,212 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-16 21:49:40,212 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-16 21:49:40,212 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-16 21:49:40,212 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-16 21:49:40,213 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-16 21:49:40,213 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-16 21:49:40,213 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-16 21:49:40,213 INFO L153 SettingsManager]: * Use SBE=true [2025-03-16 21:49:40,213 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-16 21:49:40,213 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-16 21:49:40,213 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-16 21:49:40,213 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-16 21:49:40,213 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-16 21:49:40,213 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-16 21:49:40,213 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-16 21:49:40,213 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-16 21:49:40,215 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-16 21:49:40,215 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-16 21:49:40,215 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-16 21:49:40,215 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-16 21:49:40,216 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-16 21:49:40,216 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-16 21:49:40,216 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 21:49:40,216 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-16 21:49:40,216 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-16 21:49:40,216 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-16 21:49:40,216 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-16 21:49:40,216 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-16 21:49:40,216 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-16 21:49:40,216 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-16 21:49:40,216 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-16 21:49:40,216 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-16 21:49:40,216 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-16 21:49:40,216 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c71fab330bdc6012057120a447b5cc1b5316aa36d41a10077f304914f3f84a7 [2025-03-16 21:49:40,439 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-16 21:49:40,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-16 21:49:40,447 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-16 21:49:40,448 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-16 21:49:40,448 INFO L274 PluginConnector]: CDTParser initialized [2025-03-16 21:49:40,449 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.3.prop1-func-interl.c [2025-03-16 21:49:41,598 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb8e99ef8/56c8c860b79d4704aab579ba6c350464/FLAG2c0dea2c7 [2025-03-16 21:49:41,920 INFO L384 CDTParser]: Found 1 translation units. [2025-03-16 21:49:41,922 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.3.prop1-func-interl.c [2025-03-16 21:49:41,940 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb8e99ef8/56c8c860b79d4704aab579ba6c350464/FLAG2c0dea2c7 [2025-03-16 21:49:42,159 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb8e99ef8/56c8c860b79d4704aab579ba6c350464 [2025-03-16 21:49:42,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-16 21:49:42,162 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-16 21:49:42,163 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-16 21:49:42,163 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-16 21:49:42,168 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-16 21:49:42,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 09:49:42" (1/1) ... [2025-03-16 21:49:42,171 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@158ae3c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:49:42, skipping insertion in model container [2025-03-16 21:49:42,171 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 09:49:42" (1/1) ... [2025-03-16 21:49:42,206 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-16 21:49:42,345 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.3.prop1-func-interl.c[1174,1187] [2025-03-16 21:49:42,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 21:49:42,692 INFO L200 MainTranslator]: Completed pre-run [2025-03-16 21:49:42,698 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.3.prop1-func-interl.c[1174,1187] [2025-03-16 21:49:42,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 21:49:42,903 INFO L204 MainTranslator]: Completed translation [2025-03-16 21:49:42,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:49:42 WrapperNode [2025-03-16 21:49:42,904 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-16 21:49:42,905 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-16 21:49:42,905 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-16 21:49:42,905 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-16 21:49:42,912 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:49:42" (1/1) ... [2025-03-16 21:49:42,958 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:49:42" (1/1) ... [2025-03-16 21:49:43,612 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 7297 [2025-03-16 21:49:43,612 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-16 21:49:43,613 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-16 21:49:43,613 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-16 21:49:43,613 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-16 21:49:43,619 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:49:42" (1/1) ... [2025-03-16 21:49:43,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:49:42" (1/1) ... [2025-03-16 21:49:43,808 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:49:42" (1/1) ... [2025-03-16 21:49:43,939 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-16 21:49:43,940 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:49:42" (1/1) ... [2025-03-16 21:49:43,940 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:49:42" (1/1) ... [2025-03-16 21:49:44,091 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:49:42" (1/1) ... [2025-03-16 21:49:44,111 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:49:42" (1/1) ... [2025-03-16 21:49:44,136 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:49:42" (1/1) ... [2025-03-16 21:49:44,166 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:49:42" (1/1) ... [2025-03-16 21:49:44,246 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-16 21:49:44,248 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-16 21:49:44,248 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-16 21:49:44,248 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-16 21:49:44,249 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:49:42" (1/1) ... [2025-03-16 21:49:44,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 21:49:44,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 21:49:44,275 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-16 21:49:44,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-16 21:49:44,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-16 21:49:44,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-16 21:49:44,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-16 21:49:44,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-16 21:49:44,705 INFO L256 CfgBuilder]: Building ICFG [2025-03-16 21:49:44,706 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-16 21:49:51,598 INFO L? ?]: Removed 4118 outVars from TransFormulas that were not future-live. [2025-03-16 21:49:51,598 INFO L307 CfgBuilder]: Performing block encoding [2025-03-16 21:49:51,821 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-16 21:49:51,822 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-16 21:49:51,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 09:49:51 BoogieIcfgContainer [2025-03-16 21:49:51,822 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-16 21:49:51,824 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-16 21:49:51,824 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-16 21:49:51,827 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-16 21:49:51,827 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 09:49:42" (1/3) ... [2025-03-16 21:49:51,828 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41c8cef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 09:49:51, skipping insertion in model container [2025-03-16 21:49:51,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:49:42" (2/3) ... [2025-03-16 21:49:51,828 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41c8cef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 09:49:51, skipping insertion in model container [2025-03-16 21:49:51,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 09:49:51" (3/3) ... [2025-03-16 21:49:51,829 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.fischer.3.prop1-func-interl.c [2025-03-16 21:49:51,840 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-16 21:49:51,841 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.fischer.3.prop1-func-interl.c that has 1 procedures, 2556 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-16 21:49:51,924 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-16 21:49:51,933 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;@5e3ca1f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-16 21:49:51,934 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-16 21:49:51,944 INFO L276 IsEmpty]: Start isEmpty. Operand has 2556 states, 2554 states have (on average 1.5023492560689116) internal successors, (3837), 2555 states have internal predecessors, (3837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 21:49:51,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2025-03-16 21:49:51,956 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 21:49:51,957 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] [2025-03-16 21:49:51,957 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 21:49:51,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 21:49:51,962 INFO L85 PathProgramCache]: Analyzing trace with hash -469290501, now seen corresponding path program 1 times [2025-03-16 21:49:51,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 21:49:51,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370032275] [2025-03-16 21:49:51,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 21:49:51,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 21:49:52,067 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 130 statements into 1 equivalence classes. [2025-03-16 21:49:52,183 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 130 of 130 statements. [2025-03-16 21:49:52,184 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 21:49:52,184 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 21:49:52,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 21:49:52,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 21:49:52,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370032275] [2025-03-16 21:49:52,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370032275] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 21:49:52,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 21:49:52,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-16 21:49:52,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117137016] [2025-03-16 21:49:52,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 21:49:52,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-16 21:49:52,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 21:49:52,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-16 21:49:52,822 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-16 21:49:52,829 INFO L87 Difference]: Start difference. First operand has 2556 states, 2554 states have (on average 1.5023492560689116) internal successors, (3837), 2555 states have internal predecessors, (3837), 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 32.5) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 21:49:53,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 21:49:53,987 INFO L93 Difference]: Finished difference Result 4979 states and 7477 transitions. [2025-03-16 21:49:53,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-16 21:49:53,989 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 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 130 [2025-03-16 21:49:53,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 21:49:54,014 INFO L225 Difference]: With dead ends: 4979 [2025-03-16 21:49:54,014 INFO L226 Difference]: Without dead ends: 2556 [2025-03-16 21:49:54,026 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-16 21:49:54,028 INFO L435 NwaCegarLoop]: 3198 mSDtfsCounter, 0 mSDsluCounter, 6391 mSDsCounter, 0 mSdLazyCounter, 1912 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9589 SdHoareTripleChecker+Invalid, 1912 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-16 21:49:54,028 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9589 Invalid, 1912 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1912 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-16 21:49:54,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2556 states. [2025-03-16 21:49:54,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2556 to 2556. [2025-03-16 21:49:54,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2556 states, 2555 states have (on average 1.5013698630136987) internal successors, (3836), 2555 states have internal predecessors, (3836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 21:49:54,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2556 states to 2556 states and 3836 transitions. [2025-03-16 21:49:54,135 INFO L78 Accepts]: Start accepts. Automaton has 2556 states and 3836 transitions. Word has length 130 [2025-03-16 21:49:54,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 21:49:54,136 INFO L471 AbstractCegarLoop]: Abstraction has 2556 states and 3836 transitions. [2025-03-16 21:49:54,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 21:49:54,136 INFO L276 IsEmpty]: Start isEmpty. Operand 2556 states and 3836 transitions. [2025-03-16 21:49:54,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2025-03-16 21:49:54,137 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 21:49:54,137 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] [2025-03-16 21:49:54,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-16 21:49:54,138 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 21:49:54,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 21:49:54,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1658420479, now seen corresponding path program 1 times [2025-03-16 21:49:54,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 21:49:54,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313839214] [2025-03-16 21:49:54,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 21:49:54,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 21:49:54,182 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-03-16 21:49:54,202 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-03-16 21:49:54,202 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 21:49:54,202 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 21:49:54,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 21:49:54,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 21:49:54,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313839214] [2025-03-16 21:49:54,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313839214] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 21:49:54,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 21:49:54,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-16 21:49:54,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067711782] [2025-03-16 21:49:54,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 21:49:54,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-16 21:49:54,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 21:49:54,446 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-16 21:49:54,446 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-16 21:49:54,446 INFO L87 Difference]: Start difference. First operand 2556 states and 3836 transitions. Second operand has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 21:49:55,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 21:49:55,466 INFO L93 Difference]: Finished difference Result 4981 states and 7476 transitions. [2025-03-16 21:49:55,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-16 21:49:55,467 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 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 131 [2025-03-16 21:49:55,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 21:49:55,480 INFO L225 Difference]: With dead ends: 4981 [2025-03-16 21:49:55,480 INFO L226 Difference]: Without dead ends: 2558 [2025-03-16 21:49:55,486 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-16 21:49:55,487 INFO L435 NwaCegarLoop]: 3198 mSDtfsCounter, 0 mSDsluCounter, 6388 mSDsCounter, 0 mSdLazyCounter, 1915 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9586 SdHoareTripleChecker+Invalid, 1915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-16 21:49:55,487 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9586 Invalid, 1915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1915 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-16 21:49:55,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2558 states. [2025-03-16 21:49:55,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2558 to 2558. [2025-03-16 21:49:55,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2558 states, 2557 states have (on average 1.5009777082518576) internal successors, (3838), 2557 states have internal predecessors, (3838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 21:49:55,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2558 states to 2558 states and 3838 transitions. [2025-03-16 21:49:55,530 INFO L78 Accepts]: Start accepts. Automaton has 2558 states and 3838 transitions. Word has length 131 [2025-03-16 21:49:55,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 21:49:55,530 INFO L471 AbstractCegarLoop]: Abstraction has 2558 states and 3838 transitions. [2025-03-16 21:49:55,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 21:49:55,531 INFO L276 IsEmpty]: Start isEmpty. Operand 2558 states and 3838 transitions. [2025-03-16 21:49:55,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2025-03-16 21:49:55,532 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 21:49:55,532 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] [2025-03-16 21:49:55,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-16 21:49:55,532 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 21:49:55,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 21:49:55,533 INFO L85 PathProgramCache]: Analyzing trace with hash 2060085942, now seen corresponding path program 1 times [2025-03-16 21:49:55,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 21:49:55,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706858540] [2025-03-16 21:49:55,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 21:49:55,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 21:49:55,569 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 132 statements into 1 equivalence classes. [2025-03-16 21:49:55,585 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 132 of 132 statements. [2025-03-16 21:49:55,585 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 21:49:55,585 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 21:49:55,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 21:49:55,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 21:49:55,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706858540] [2025-03-16 21:49:55,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706858540] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 21:49:55,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 21:49:55,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-16 21:49:55,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110140746] [2025-03-16 21:49:55,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 21:49:55,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-16 21:49:55,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 21:49:55,767 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-16 21:49:55,767 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-16 21:49:55,767 INFO L87 Difference]: Start difference. First operand 2558 states and 3838 transitions. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 21:49:56,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 21:49:56,866 INFO L93 Difference]: Finished difference Result 4989 states and 7486 transitions. [2025-03-16 21:49:56,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-16 21:49:56,868 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 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 132 [2025-03-16 21:49:56,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 21:49:56,876 INFO L225 Difference]: With dead ends: 4989 [2025-03-16 21:49:56,877 INFO L226 Difference]: Without dead ends: 2564 [2025-03-16 21:49:56,879 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-16 21:49:56,881 INFO L435 NwaCegarLoop]: 3198 mSDtfsCounter, 4 mSDsluCounter, 6383 mSDsCounter, 0 mSdLazyCounter, 1920 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 9581 SdHoareTripleChecker+Invalid, 1920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1920 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-16 21:49:56,882 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 9581 Invalid, 1920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1920 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-16 21:49:56,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2564 states. [2025-03-16 21:49:56,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2564 to 2564. [2025-03-16 21:49:56,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2564 states, 2563 states have (on average 1.500585251658213) internal successors, (3846), 2563 states have internal predecessors, (3846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 21:49:56,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2564 states to 2564 states and 3846 transitions. [2025-03-16 21:49:56,924 INFO L78 Accepts]: Start accepts. Automaton has 2564 states and 3846 transitions. Word has length 132 [2025-03-16 21:49:56,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 21:49:56,924 INFO L471 AbstractCegarLoop]: Abstraction has 2564 states and 3846 transitions. [2025-03-16 21:49:56,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 21:49:56,925 INFO L276 IsEmpty]: Start isEmpty. Operand 2564 states and 3846 transitions. [2025-03-16 21:49:56,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2025-03-16 21:49:56,927 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 21:49:56,928 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] [2025-03-16 21:49:56,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-16 21:49:56,928 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 21:49:56,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 21:49:56,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1482766165, now seen corresponding path program 1 times [2025-03-16 21:49:56,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 21:49:56,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693987308] [2025-03-16 21:49:56,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 21:49:56,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 21:49:56,966 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-03-16 21:49:56,994 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-03-16 21:49:56,994 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 21:49:56,994 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 21:49:57,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 21:49:57,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 21:49:57,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693987308] [2025-03-16 21:49:57,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693987308] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 21:49:57,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 21:49:57,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-16 21:49:57,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522208573] [2025-03-16 21:49:57,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 21:49:57,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-16 21:49:57,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 21:49:57,181 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-16 21:49:57,181 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-16 21:49:57,181 INFO L87 Difference]: Start difference. First operand 2564 states and 3846 transitions. Second operand has 5 states, 5 states have (on average 26.6) internal successors, (133), 5 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 21:49:58,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 21:49:58,160 INFO L93 Difference]: Finished difference Result 4999 states and 7498 transitions. [2025-03-16 21:49:58,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-16 21:49:58,160 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 5 states have internal predecessors, (133), 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 133 [2025-03-16 21:49:58,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 21:49:58,168 INFO L225 Difference]: With dead ends: 4999 [2025-03-16 21:49:58,168 INFO L226 Difference]: Without dead ends: 2568 [2025-03-16 21:49:58,171 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-16 21:49:58,172 INFO L435 NwaCegarLoop]: 3198 mSDtfsCounter, 0 mSDsluCounter, 6383 mSDsCounter, 0 mSdLazyCounter, 1921 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9581 SdHoareTripleChecker+Invalid, 1922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1921 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-03-16 21:49:58,172 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9581 Invalid, 1922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1921 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-03-16 21:49:58,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2568 states. [2025-03-16 21:49:58,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2568 to 2564. [2025-03-16 21:49:58,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2564 states, 2563 states have (on average 1.500585251658213) internal successors, (3846), 2563 states have internal predecessors, (3846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 21:49:58,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2564 states to 2564 states and 3846 transitions. [2025-03-16 21:49:58,209 INFO L78 Accepts]: Start accepts. Automaton has 2564 states and 3846 transitions. Word has length 133 [2025-03-16 21:49:58,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 21:49:58,209 INFO L471 AbstractCegarLoop]: Abstraction has 2564 states and 3846 transitions. [2025-03-16 21:49:58,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 5 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 21:49:58,209 INFO L276 IsEmpty]: Start isEmpty. Operand 2564 states and 3846 transitions. [2025-03-16 21:49:58,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-03-16 21:49:58,210 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 21:49:58,210 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] [2025-03-16 21:49:58,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-16 21:49:58,210 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 21:49:58,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 21:49:58,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1127711631, now seen corresponding path program 1 times [2025-03-16 21:49:58,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 21:49:58,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318455554] [2025-03-16 21:49:58,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 21:49:58,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 21:49:58,241 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-03-16 21:49:58,336 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-03-16 21:49:58,336 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 21:49:58,336 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 21:49:58,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 21:49:58,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 21:49:58,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318455554] [2025-03-16 21:49:58,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318455554] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 21:49:58,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 21:49:58,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-16 21:49:58,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701929726] [2025-03-16 21:49:58,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 21:49:58,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-16 21:49:58,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 21:49:58,560 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-16 21:49:58,560 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-16 21:49:58,560 INFO L87 Difference]: Start difference. First operand 2564 states and 3846 transitions. Second operand has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 21:50:01,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 21:50:01,874 INFO L93 Difference]: Finished difference Result 7414 states and 11122 transitions. [2025-03-16 21:50:01,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-16 21:50:01,874 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 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 134 [2025-03-16 21:50:01,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 21:50:01,889 INFO L225 Difference]: With dead ends: 7414 [2025-03-16 21:50:01,889 INFO L226 Difference]: Without dead ends: 4983 [2025-03-16 21:50:01,893 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-16 21:50:01,895 INFO L435 NwaCegarLoop]: 2458 mSDtfsCounter, 3696 mSDsluCounter, 7277 mSDsCounter, 0 mSdLazyCounter, 5402 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3696 SdHoareTripleChecker+Valid, 9735 SdHoareTripleChecker+Invalid, 5402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2025-03-16 21:50:01,895 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3696 Valid, 9735 Invalid, 5402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5402 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2025-03-16 21:50:01,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4983 states. [2025-03-16 21:50:01,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4983 to 2671. [2025-03-16 21:50:01,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2671 states, 2670 states have (on average 1.500374531835206) internal successors, (4006), 2670 states have internal predecessors, (4006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 21:50:01,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2671 states to 2671 states and 4006 transitions. [2025-03-16 21:50:01,956 INFO L78 Accepts]: Start accepts. Automaton has 2671 states and 4006 transitions. Word has length 134 [2025-03-16 21:50:01,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 21:50:01,956 INFO L471 AbstractCegarLoop]: Abstraction has 2671 states and 4006 transitions. [2025-03-16 21:50:01,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 21:50:01,957 INFO L276 IsEmpty]: Start isEmpty. Operand 2671 states and 4006 transitions. [2025-03-16 21:50:01,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2025-03-16 21:50:01,957 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 21:50:01,958 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] [2025-03-16 21:50:01,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-16 21:50:01,958 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 21:50:01,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 21:50:01,958 INFO L85 PathProgramCache]: Analyzing trace with hash -865539173, now seen corresponding path program 1 times [2025-03-16 21:50:01,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 21:50:01,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827740257] [2025-03-16 21:50:01,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 21:50:01,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 21:50:01,991 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 135 statements into 1 equivalence classes. [2025-03-16 21:50:02,045 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 135 of 135 statements. [2025-03-16 21:50:02,045 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 21:50:02,045 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 21:50:02,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 21:50:02,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-16 21:50:02,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827740257] [2025-03-16 21:50:02,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827740257] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 21:50:02,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 21:50:02,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-16 21:50:02,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641343294] [2025-03-16 21:50:02,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 21:50:02,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-16 21:50:02,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-16 21:50:02,467 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-16 21:50:02,467 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-16 21:50:02,468 INFO L87 Difference]: Start difference. First operand 2671 states and 4006 transitions. Second operand has 6 states, 6 states have (on average 22.5) internal successors, (135), 5 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 21:50:04,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 21:50:04,679 INFO L93 Difference]: Finished difference Result 5117 states and 7675 transitions. [2025-03-16 21:50:04,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-16 21:50:04,680 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.5) internal successors, (135), 5 states have internal predecessors, (135), 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 135 [2025-03-16 21:50:04,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 21:50:04,686 INFO L225 Difference]: With dead ends: 5117 [2025-03-16 21:50:04,686 INFO L226 Difference]: Without dead ends: 2686 [2025-03-16 21:50:04,688 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2025-03-16 21:50:04,688 INFO L435 NwaCegarLoop]: 2443 mSDtfsCounter, 3728 mSDsluCounter, 7317 mSDsCounter, 0 mSdLazyCounter, 5575 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3728 SdHoareTripleChecker+Valid, 9760 SdHoareTripleChecker+Invalid, 5576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2025-03-16 21:50:04,689 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3728 Valid, 9760 Invalid, 5576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5575 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2025-03-16 21:50:04,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2686 states. [2025-03-16 21:50:04,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2686 to 2684. [2025-03-16 21:50:04,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2684 states, 2683 states have (on average 1.499068207230712) internal successors, (4022), 2683 states have internal predecessors, (4022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 21:50:04,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2684 states to 2684 states and 4022 transitions. [2025-03-16 21:50:04,716 INFO L78 Accepts]: Start accepts. Automaton has 2684 states and 4022 transitions. Word has length 135 [2025-03-16 21:50:04,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 21:50:04,716 INFO L471 AbstractCegarLoop]: Abstraction has 2684 states and 4022 transitions. [2025-03-16 21:50:04,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.5) internal successors, (135), 5 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 21:50:04,717 INFO L276 IsEmpty]: Start isEmpty. Operand 2684 states and 4022 transitions. [2025-03-16 21:50:04,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2025-03-16 21:50:04,717 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 21:50:04,718 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] [2025-03-16 21:50:04,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-16 21:50:04,718 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 21:50:04,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 21:50:04,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1004210815, now seen corresponding path program 1 times [2025-03-16 21:50:04,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-16 21:50:04,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62902031] [2025-03-16 21:50:04,718 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 21:50:04,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-16 21:50:04,804 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 136 statements into 1 equivalence classes. [2025-03-16 21:50:04,856 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 136 of 136 statements. [2025-03-16 21:50:04,856 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 21:50:04,857 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-16 21:50:04,857 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-16 21:50:04,873 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 136 statements into 1 equivalence classes. [2025-03-16 21:50:04,906 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 136 of 136 statements. [2025-03-16 21:50:04,906 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 21:50:04,906 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-16 21:50:04,979 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-16 21:50:04,980 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-16 21:50:04,980 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-16 21:50:04,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-16 21:50:04,984 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2025-03-16 21:50:05,062 WARN L310 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2025-03-16 21:50:05,083 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-16 21:50:05,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 09:50:05 BoogieIcfgContainer [2025-03-16 21:50:05,088 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-16 21:50:05,088 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-16 21:50:05,088 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-16 21:50:05,088 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-16 21:50:05,089 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 09:49:51" (3/4) ... [2025-03-16 21:50:05,090 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-16 21:50:05,091 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-16 21:50:05,092 INFO L158 Benchmark]: Toolchain (without parser) took 22929.53ms. Allocated memory was 142.6MB in the beginning and 704.6MB in the end (delta: 562.0MB). Free memory was 108.8MB in the beginning and 438.9MB in the end (delta: -330.2MB). Peak memory consumption was 234.3MB. Max. memory is 16.1GB. [2025-03-16 21:50:05,092 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 127.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 21:50:05,092 INFO L158 Benchmark]: CACSL2BoogieTranslator took 741.18ms. Allocated memory is still 142.6MB. Free memory was 108.8MB in the beginning and 70.6MB in the end (delta: 38.2MB). Peak memory consumption was 100.0MB. Max. memory is 16.1GB. [2025-03-16 21:50:05,093 INFO L158 Benchmark]: Boogie Procedure Inliner took 707.64ms. Allocated memory was 142.6MB in the beginning and 394.3MB in the end (delta: 251.7MB). Free memory was 70.6MB in the beginning and 193.2MB in the end (delta: -122.6MB). Peak memory consumption was 130.3MB. Max. memory is 16.1GB. [2025-03-16 21:50:05,093 INFO L158 Benchmark]: Boogie Preprocessor took 633.59ms. Allocated memory is still 394.3MB. Free memory was 193.2MB in the beginning and 180.6MB in the end (delta: 12.6MB). Peak memory consumption was 107.7MB. Max. memory is 16.1GB. [2025-03-16 21:50:05,093 INFO L158 Benchmark]: IcfgBuilder took 7574.21ms. Allocated memory was 394.3MB in the beginning and 813.7MB in the end (delta: 419.4MB). Free memory was 179.9MB in the beginning and 338.2MB in the end (delta: -158.2MB). Peak memory consumption was 635.0MB. Max. memory is 16.1GB. [2025-03-16 21:50:05,093 INFO L158 Benchmark]: TraceAbstraction took 13263.90ms. Allocated memory was 813.7MB in the beginning and 704.6MB in the end (delta: -109.1MB). Free memory was 338.2MB in the beginning and 439.0MB in the end (delta: -100.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 21:50:05,094 INFO L158 Benchmark]: Witness Printer took 2.90ms. Allocated memory is still 704.6MB. Free memory was 439.0MB in the beginning and 438.9MB in the end (delta: 58.3kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-16 21:50:05,095 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 127.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 741.18ms. Allocated memory is still 142.6MB. Free memory was 108.8MB in the beginning and 70.6MB in the end (delta: 38.2MB). Peak memory consumption was 100.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 707.64ms. Allocated memory was 142.6MB in the beginning and 394.3MB in the end (delta: 251.7MB). Free memory was 70.6MB in the beginning and 193.2MB in the end (delta: -122.6MB). Peak memory consumption was 130.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 633.59ms. Allocated memory is still 394.3MB. Free memory was 193.2MB in the beginning and 180.6MB in the end (delta: 12.6MB). Peak memory consumption was 107.7MB. Max. memory is 16.1GB. * IcfgBuilder took 7574.21ms. Allocated memory was 394.3MB in the beginning and 813.7MB in the end (delta: 419.4MB). Free memory was 179.9MB in the beginning and 338.2MB in the end (delta: -158.2MB). Peak memory consumption was 635.0MB. Max. memory is 16.1GB. * TraceAbstraction took 13263.90ms. Allocated memory was 813.7MB in the beginning and 704.6MB in the end (delta: -109.1MB). Free memory was 338.2MB in the beginning and 439.0MB in the end (delta: -100.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.90ms. Allocated memory is still 704.6MB. Free memory was 439.0MB in the beginning and 438.9MB in the end (delta: 58.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 303, overapproximation of bitwiseAnd at line 301. 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_20 = 0; [L40] const SORT_4 var_73 = 1; [L41] const SORT_4 var_74 = 0; [L42] const SORT_2 var_90 = 0; [L43] const SORT_2 var_92 = 6; [L44] const SORT_2 var_95 = 5; [L45] const SORT_2 var_98 = 4; [L46] const SORT_2 var_101 = 3; [L47] const SORT_2 var_104 = 2; [L48] const SORT_2 var_107 = 1; [L49] const SORT_2 var_121 = 255; [L50] const SORT_3 var_125 = 0; [L51] const SORT_4 var_129 = 255; [L53] SORT_1 input_89; [L54] SORT_1 input_91; [L55] SORT_1 input_93; [L56] SORT_1 input_94; [L57] SORT_1 input_96; [L58] SORT_1 input_97; [L59] SORT_1 input_99; [L60] SORT_1 input_100; [L61] SORT_1 input_102; [L62] SORT_1 input_103; [L63] SORT_1 input_105; [L64] SORT_1 input_106; [L65] SORT_1 input_122; [L66] SORT_1 input_123; [L67] SORT_1 input_124; [L68] SORT_1 input_141; [L69] SORT_1 input_142; [L70] SORT_1 input_157; [L71] SORT_1 input_158; [L72] SORT_1 input_173; [L73] SORT_1 input_174; [L74] SORT_1 input_189; [L75] SORT_1 input_190; [L76] SORT_1 input_205; [L77] SORT_1 input_206; [L78] SORT_1 input_223; [L79] SORT_1 input_231; [L80] SORT_1 input_239; [L81] SORT_1 input_247; [L82] SORT_1 input_255; [L83] SORT_1 input_263; [L84] SORT_1 input_271; [L85] SORT_1 input_279; [L86] SORT_1 input_287; [L87] SORT_1 input_295; [L88] SORT_1 input_303; [L89] SORT_1 input_311; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L91] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L92] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L93] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L94] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L95] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L96] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L97] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L97] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L98] SORT_1 state_21 = __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=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L99] SORT_1 state_23 = __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=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L100] SORT_1 state_25 = __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=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L101] SORT_1 state_27 = __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=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L102] SORT_1 state_29 = __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=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L103] SORT_1 state_31 = __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=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L104] SORT_1 state_33 = __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=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L105] SORT_1 state_35 = __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=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L106] SORT_1 state_37 = __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=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L107] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L108] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L109] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L110] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L111] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L112] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L113] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L114] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L114] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L115] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L116] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L116] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L117] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L118] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L119] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L120] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L120] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L121] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L121] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L122] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L122] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L123] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L125] SORT_2 init_7_arg_1 = var_5; [L126] state_6 = init_7_arg_1 [L127] SORT_2 init_9_arg_1 = var_5; [L128] state_8 = init_9_arg_1 [L129] SORT_2 init_11_arg_1 = var_5; [L130] state_10 = init_11_arg_1 [L131] SORT_2 init_13_arg_1 = var_5; [L132] state_12 = init_13_arg_1 [L133] SORT_2 init_15_arg_1 = var_5; [L134] state_14 = init_15_arg_1 [L135] SORT_2 init_17_arg_1 = var_5; [L136] state_16 = init_17_arg_1 [L137] SORT_2 init_19_arg_1 = var_5; [L138] state_18 = init_19_arg_1 [L139] SORT_1 init_22_arg_1 = var_20; [L140] state_21 = init_22_arg_1 [L141] SORT_1 init_24_arg_1 = var_20; [L142] state_23 = init_24_arg_1 [L143] SORT_1 init_26_arg_1 = var_20; [L144] state_25 = init_26_arg_1 [L145] SORT_1 init_28_arg_1 = var_20; [L146] state_27 = init_28_arg_1 [L147] SORT_1 init_30_arg_1 = var_20; [L148] state_29 = init_30_arg_1 [L149] SORT_1 init_32_arg_1 = var_20; [L150] state_31 = init_32_arg_1 [L151] SORT_1 init_34_arg_1 = var_20; [L152] state_33 = init_34_arg_1 [L153] SORT_1 init_36_arg_1 = var_20; [L154] state_35 = init_36_arg_1 [L155] SORT_1 init_38_arg_1 = var_20; [L156] state_37 = init_38_arg_1 [L157] SORT_1 init_40_arg_1 = var_20; [L158] state_39 = init_40_arg_1 [L159] SORT_1 init_42_arg_1 = var_20; [L160] state_41 = init_42_arg_1 [L161] SORT_1 init_44_arg_1 = var_20; [L162] state_43 = init_44_arg_1 [L163] SORT_1 init_46_arg_1 = var_20; [L164] state_45 = init_46_arg_1 [L165] SORT_1 init_48_arg_1 = var_20; [L166] state_47 = init_48_arg_1 [L167] SORT_1 init_50_arg_1 = var_20; [L168] state_49 = init_50_arg_1 [L169] SORT_1 init_52_arg_1 = var_20; [L170] state_51 = init_52_arg_1 [L171] SORT_1 init_54_arg_1 = var_20; [L172] state_53 = init_54_arg_1 [L173] SORT_1 init_56_arg_1 = var_20; [L174] state_55 = init_56_arg_1 [L175] SORT_1 init_58_arg_1 = var_20; [L176] state_57 = init_58_arg_1 [L177] SORT_1 init_60_arg_1 = var_20; [L178] state_59 = init_60_arg_1 [L179] SORT_1 init_62_arg_1 = var_20; [L180] state_61 = init_62_arg_1 [L181] SORT_1 init_64_arg_1 = var_20; [L182] state_63 = init_64_arg_1 [L183] SORT_1 init_66_arg_1 = var_20; [L184] state_65 = init_66_arg_1 [L185] SORT_1 init_68_arg_1 = var_20; [L186] state_67 = init_68_arg_1 [L187] SORT_1 init_70_arg_1 = var_20; [L188] state_69 = init_70_arg_1 [L189] SORT_1 init_72_arg_1 = var_20; [L190] state_71 = init_72_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L193] input_89 = __VERIFIER_nondet_uchar() [L194] EXPR input_89 & 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_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L194] input_89 = input_89 & mask_SORT_1 [L195] input_91 = __VERIFIER_nondet_uchar() [L196] EXPR input_91 & mask_SORT_1 VAL [input_89=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L196] input_91 = input_91 & mask_SORT_1 [L197] input_93 = __VERIFIER_nondet_uchar() [L198] EXPR input_93 & mask_SORT_1 VAL [input_89=0, input_91=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L198] input_93 = input_93 & mask_SORT_1 [L199] input_94 = __VERIFIER_nondet_uchar() [L200] EXPR input_94 & mask_SORT_1 VAL [input_89=0, input_91=0, input_93=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L200] input_94 = input_94 & mask_SORT_1 [L201] input_96 = __VERIFIER_nondet_uchar() [L202] EXPR input_96 & mask_SORT_1 VAL [input_89=0, input_91=0, input_93=0, input_94=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_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L202] input_96 = input_96 & mask_SORT_1 [L203] input_97 = __VERIFIER_nondet_uchar() [L204] EXPR input_97 & mask_SORT_1 VAL [input_89=0, input_91=0, input_93=0, input_94=0, input_96=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_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L204] input_97 = input_97 & mask_SORT_1 [L205] input_99 = __VERIFIER_nondet_uchar() [L206] EXPR input_99 & mask_SORT_1 VAL [input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L206] input_99 = input_99 & mask_SORT_1 [L207] input_100 = __VERIFIER_nondet_uchar() [L208] EXPR input_100 & mask_SORT_1 VAL [input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L208] input_100 = input_100 & mask_SORT_1 [L209] input_102 = __VERIFIER_nondet_uchar() [L210] EXPR input_102 & mask_SORT_1 VAL [input_100=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L210] input_102 = input_102 & mask_SORT_1 [L211] input_103 = __VERIFIER_nondet_uchar() [L212] EXPR input_103 & mask_SORT_1 VAL [input_100=0, input_102=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L212] input_103 = input_103 & mask_SORT_1 [L213] input_105 = __VERIFIER_nondet_uchar() [L214] EXPR input_105 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L214] input_105 = input_105 & mask_SORT_1 [L215] input_106 = __VERIFIER_nondet_uchar() [L216] EXPR input_106 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L216] input_106 = input_106 & mask_SORT_1 [L217] input_122 = __VERIFIER_nondet_uchar() [L218] EXPR input_122 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L218] input_122 = input_122 & mask_SORT_1 [L219] input_123 = __VERIFIER_nondet_uchar() [L220] EXPR input_123 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L220] input_123 = input_123 & mask_SORT_1 [L221] input_124 = __VERIFIER_nondet_uchar() [L222] EXPR input_124 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L222] input_124 = input_124 & mask_SORT_1 [L223] input_141 = __VERIFIER_nondet_uchar() [L224] EXPR input_141 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L224] input_141 = input_141 & mask_SORT_1 [L225] input_142 = __VERIFIER_nondet_uchar() [L226] EXPR input_142 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L226] input_142 = input_142 & mask_SORT_1 [L227] input_157 = __VERIFIER_nondet_uchar() [L228] EXPR input_157 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L228] input_157 = input_157 & mask_SORT_1 [L229] input_158 = __VERIFIER_nondet_uchar() [L230] EXPR input_158 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L230] input_158 = input_158 & mask_SORT_1 [L231] input_173 = __VERIFIER_nondet_uchar() [L232] EXPR input_173 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L232] input_173 = input_173 & mask_SORT_1 [L233] input_174 = __VERIFIER_nondet_uchar() [L234] EXPR input_174 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L234] input_174 = input_174 & mask_SORT_1 [L235] input_189 = __VERIFIER_nondet_uchar() [L236] EXPR input_189 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_174=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L236] input_189 = input_189 & mask_SORT_1 [L237] input_190 = __VERIFIER_nondet_uchar() [L238] EXPR input_190 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_174=0, input_189=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L238] input_190 = input_190 & mask_SORT_1 [L239] input_205 = __VERIFIER_nondet_uchar() [L240] EXPR input_205 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_174=0, input_189=0, input_190=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L240] input_205 = input_205 & mask_SORT_1 [L241] input_206 = __VERIFIER_nondet_uchar() [L242] EXPR input_206 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_174=0, input_189=0, input_190=0, input_205=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L242] input_206 = input_206 & mask_SORT_1 [L243] input_223 = __VERIFIER_nondet_uchar() [L244] input_231 = __VERIFIER_nondet_uchar() [L245] input_239 = __VERIFIER_nondet_uchar() [L246] input_247 = __VERIFIER_nondet_uchar() [L247] input_255 = __VERIFIER_nondet_uchar() [L248] input_263 = __VERIFIER_nondet_uchar() [L249] input_271 = __VERIFIER_nondet_uchar() [L250] input_279 = __VERIFIER_nondet_uchar() [L251] input_287 = __VERIFIER_nondet_uchar() [L252] input_295 = __VERIFIER_nondet_uchar() [L253] input_303 = __VERIFIER_nondet_uchar() [L254] input_311 = __VERIFIER_nondet_uchar() [L257] SORT_1 var_75_arg_0 = state_29; [L258] SORT_4 var_75_arg_1 = var_73; [L259] SORT_4 var_75_arg_2 = var_74; [L260] SORT_4 var_75 = var_75_arg_0 ? var_75_arg_1 : var_75_arg_2; [L261] SORT_1 var_76_arg_0 = state_37; [L262] SORT_4 var_76_arg_1 = var_73; [L263] SORT_4 var_76_arg_2 = var_74; [L264] SORT_4 var_76 = var_76_arg_0 ? var_76_arg_1 : var_76_arg_2; [L265] SORT_4 var_77_arg_0 = var_75; [L266] SORT_4 var_77_arg_1 = var_76; [L267] SORT_4 var_77 = var_77_arg_0 + var_77_arg_1; [L268] SORT_1 var_78_arg_0 = state_45; [L269] SORT_4 var_78_arg_1 = var_73; [L270] SORT_4 var_78_arg_2 = var_74; [L271] SORT_4 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L272] SORT_4 var_79_arg_0 = var_77; [L273] SORT_4 var_79_arg_1 = var_78; [L274] SORT_4 var_79 = var_79_arg_0 + var_79_arg_1; [L275] SORT_1 var_80_arg_0 = state_53; [L276] SORT_4 var_80_arg_1 = var_73; [L277] SORT_4 var_80_arg_2 = var_74; [L278] SORT_4 var_80 = var_80_arg_0 ? var_80_arg_1 : var_80_arg_2; [L279] SORT_4 var_81_arg_0 = var_79; [L280] SORT_4 var_81_arg_1 = var_80; [L281] SORT_4 var_81 = var_81_arg_0 + var_81_arg_1; [L282] SORT_1 var_82_arg_0 = state_61; [L283] SORT_4 var_82_arg_1 = var_73; [L284] SORT_4 var_82_arg_2 = var_74; [L285] SORT_4 var_82 = var_82_arg_0 ? var_82_arg_1 : var_82_arg_2; [L286] SORT_4 var_83_arg_0 = var_81; [L287] SORT_4 var_83_arg_1 = var_82; [L288] SORT_4 var_83 = var_83_arg_0 + var_83_arg_1; [L289] SORT_1 var_84_arg_0 = state_69; [L290] SORT_4 var_84_arg_1 = var_73; [L291] SORT_4 var_84_arg_2 = var_74; [L292] SORT_4 var_84 = var_84_arg_0 ? var_84_arg_1 : var_84_arg_2; [L293] SORT_4 var_85_arg_0 = var_83; [L294] SORT_4 var_85_arg_1 = var_84; [L295] SORT_4 var_85 = var_85_arg_0 + var_85_arg_1; VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_174=0, input_189=0, input_190=0, input_205=0, input_206=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_85=0, var_90=0, var_92=6, var_95=5, var_98=4] [L296] EXPR var_85 & mask_SORT_4 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_174=0, input_189=0, input_190=0, input_205=0, input_206=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L296] var_85 = var_85 & mask_SORT_4 [L297] SORT_4 var_86_arg_0 = var_85; [L298] SORT_4 var_86_arg_1 = var_73; [L299] SORT_1 var_86 = var_86_arg_0 <= var_86_arg_1; [L300] SORT_1 var_87_arg_0 = ~state_71; VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_174=0, input_189=0, input_190=0, input_205=0, input_206=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_86=1, var_87_arg_0=-1, var_90=0, var_92=6, var_95=5, var_98=4] [L301] EXPR var_87_arg_0 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_174=0, input_189=0, input_190=0, input_205=0, input_206=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_86=1, var_90=0, var_92=6, var_95=5, var_98=4] [L301] var_87_arg_0 = var_87_arg_0 & mask_SORT_1 [L302] SORT_1 var_87_arg_1 = ~var_86; VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_174=0, input_189=0, input_190=0, input_205=0, input_206=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_87_arg_0=1, var_87_arg_1=-2, var_90=0, var_92=6, var_95=5, var_98=4] [L303] EXPR var_87_arg_1 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_174=0, input_189=0, input_190=0, input_205=0, input_206=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_87_arg_0=1, var_90=0, var_92=6, var_95=5, var_98=4] [L303] var_87_arg_1 = var_87_arg_1 & mask_SORT_1 [L304] EXPR var_87_arg_0 & var_87_arg_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_174=0, input_189=0, input_190=0, input_205=0, input_206=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L304] SORT_1 var_87 = var_87_arg_0 & var_87_arg_1; [L305] EXPR var_87 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_174=0, input_189=0, input_190=0, input_205=0, input_206=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L305] var_87 = var_87 & mask_SORT_1 [L306] SORT_1 bad_88_arg_0 = var_87; [L307] CALL __VERIFIER_assert(!(bad_88_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 2556 locations, 3837 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.1s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7428 SdHoareTripleChecker+Valid, 9.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7428 mSDsluCounter, 57832 SdHoareTripleChecker+Invalid, 7.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 40139 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18645 IncrementalHoareTripleChecker+Invalid, 18647 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 17693 mSDtfsCounter, 18645 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2684occurred in iteration=6, InterpolantAutomatonStates: 27, 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, 2318 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 931 NumberOfCodeBlocks, 931 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 789 ConstructedInterpolants, 0 QuantifiedInterpolants, 2099 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 [2025-03-16 21:50:05,142 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.3.prop1-func-interl.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4c71fab330bdc6012057120a447b5cc1b5316aa36d41a10077f304914f3f84a7 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-16 21:50:06,986 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-16 21:50:07,061 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2025-03-16 21:50:07,066 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-16 21:50:07,066 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-16 21:50:07,090 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-16 21:50:07,090 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-16 21:50:07,090 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-16 21:50:07,091 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-16 21:50:07,091 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-16 21:50:07,091 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-16 21:50:07,091 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-16 21:50:07,091 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-16 21:50:07,091 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-16 21:50:07,091 INFO L153 SettingsManager]: * Use SBE=true [2025-03-16 21:50:07,091 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-16 21:50:07,091 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-16 21:50:07,091 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-16 21:50:07,091 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-16 21:50:07,091 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-16 21:50:07,091 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-16 21:50:07,093 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-16 21:50:07,093 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-16 21:50:07,093 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-16 21:50:07,093 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-16 21:50:07,093 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-16 21:50:07,093 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-16 21:50:07,093 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-16 21:50:07,093 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-16 21:50:07,093 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-16 21:50:07,094 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-16 21:50:07,094 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 21:50:07,094 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-16 21:50:07,094 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-16 21:50:07,094 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-16 21:50:07,094 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-16 21:50:07,094 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-16 21:50:07,094 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-16 21:50:07,094 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-16 21:50:07,094 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-16 21:50:07,094 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-16 21:50:07,094 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-16 21:50:07,094 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c71fab330bdc6012057120a447b5cc1b5316aa36d41a10077f304914f3f84a7 [2025-03-16 21:50:07,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-16 21:50:07,311 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-16 21:50:07,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-16 21:50:07,314 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-16 21:50:07,315 INFO L274 PluginConnector]: CDTParser initialized [2025-03-16 21:50:07,316 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.3.prop1-func-interl.c [2025-03-16 21:50:08,535 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04ccfc8d1/1ded38c756124abe8173d43be7ac7ed5/FLAG237192be0 [2025-03-16 21:50:08,774 INFO L384 CDTParser]: Found 1 translation units. [2025-03-16 21:50:08,774 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.3.prop1-func-interl.c [2025-03-16 21:50:08,790 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04ccfc8d1/1ded38c756124abe8173d43be7ac7ed5/FLAG237192be0 [2025-03-16 21:50:09,081 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04ccfc8d1/1ded38c756124abe8173d43be7ac7ed5 [2025-03-16 21:50:09,084 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-16 21:50:09,085 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-16 21:50:09,086 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-16 21:50:09,086 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-16 21:50:09,089 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-16 21:50:09,089 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 09:50:09" (1/1) ... [2025-03-16 21:50:09,090 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ae1710c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:50:09, skipping insertion in model container [2025-03-16 21:50:09,090 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 09:50:09" (1/1) ... [2025-03-16 21:50:09,132 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-16 21:50:09,281 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.3.prop1-func-interl.c[1174,1187] [2025-03-16 21:50:09,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 21:50:09,561 INFO L200 MainTranslator]: Completed pre-run [2025-03-16 21:50:09,568 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.3.prop1-func-interl.c[1174,1187] [2025-03-16 21:50:09,695 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-16 21:50:09,705 INFO L204 MainTranslator]: Completed translation [2025-03-16 21:50:09,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:50:09 WrapperNode [2025-03-16 21:50:09,706 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-16 21:50:09,706 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-16 21:50:09,707 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-16 21:50:09,707 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-16 21:50:09,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:50:09" (1/1) ... [2025-03-16 21:50:09,735 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:50:09" (1/1) ... [2025-03-16 21:50:09,810 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2201 [2025-03-16 21:50:09,810 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-16 21:50:09,811 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-16 21:50:09,811 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-16 21:50:09,811 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-16 21:50:09,817 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:50:09" (1/1) ... [2025-03-16 21:50:09,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:50:09" (1/1) ... [2025-03-16 21:50:09,836 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:50:09" (1/1) ... [2025-03-16 21:50:09,888 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-16 21:50:09,888 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:50:09" (1/1) ... [2025-03-16 21:50:09,888 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:50:09" (1/1) ... [2025-03-16 21:50:09,916 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:50:09" (1/1) ... [2025-03-16 21:50:09,919 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:50:09" (1/1) ... [2025-03-16 21:50:09,924 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:50:09" (1/1) ... [2025-03-16 21:50:09,934 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:50:09" (1/1) ... [2025-03-16 21:50:09,947 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-16 21:50:09,949 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-16 21:50:09,949 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-16 21:50:09,949 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-16 21:50:09,950 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:50:09" (1/1) ... [2025-03-16 21:50:09,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-16 21:50:09,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 21:50:09,973 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-16 21:50:09,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-16 21:50:09,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-16 21:50:09,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-16 21:50:09,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-16 21:50:09,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-16 21:50:10,367 INFO L256 CfgBuilder]: Building ICFG [2025-03-16 21:50:10,369 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-16 21:50:11,910 INFO L? ?]: Removed 126 outVars from TransFormulas that were not future-live. [2025-03-16 21:50:11,910 INFO L307 CfgBuilder]: Performing block encoding [2025-03-16 21:50:11,916 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-16 21:50:11,916 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-16 21:50:11,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 09:50:11 BoogieIcfgContainer [2025-03-16 21:50:11,917 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-16 21:50:11,920 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-16 21:50:11,920 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-16 21:50:11,924 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-16 21:50:11,924 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 09:50:09" (1/3) ... [2025-03-16 21:50:11,925 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75a88729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 09:50:11, skipping insertion in model container [2025-03-16 21:50:11,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:50:09" (2/3) ... [2025-03-16 21:50:11,926 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75a88729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 09:50:11, skipping insertion in model container [2025-03-16 21:50:11,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.03 09:50:11" (3/3) ... [2025-03-16 21:50:11,927 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.fischer.3.prop1-func-interl.c [2025-03-16 21:50:11,937 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-16 21:50:11,939 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.fischer.3.prop1-func-interl.c that has 1 procedures, 8 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-16 21:50:11,974 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-16 21:50:11,984 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;@52986aa1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-16 21:50:11,985 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-16 21:50:11,988 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.5) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 21:50:11,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-03-16 21:50:11,992 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 21:50:11,992 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-03-16 21:50:11,993 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 21:50:11,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 21:50:11,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1137951, now seen corresponding path program 1 times [2025-03-16 21:50:12,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-16 21:50:12,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1764019165] [2025-03-16 21:50:12,008 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 21:50:12,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-16 21:50:12,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 21:50:12,010 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-16 21:50:12,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-16 21:50:12,389 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-16 21:50:12,421 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-16 21:50:12,421 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 21:50:12,421 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 21:50:12,427 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 58 conjuncts are in the unsatisfiable core [2025-03-16 21:50:12,443 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-16 21:50:12,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-16 21:50:12,891 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-16 21:50:12,891 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-16 21:50:12,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764019165] [2025-03-16 21:50:12,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1764019165] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-16 21:50:12,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-16 21:50:12,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-16 21:50:12,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508918130] [2025-03-16 21:50:12,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-16 21:50:12,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-16 21:50:12,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-16 21:50:12,910 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-16 21:50:12,910 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-16 21:50:12,912 INFO L87 Difference]: Start difference. First operand has 8 states, 6 states have (on average 1.5) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 21:50:13,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-16 21:50:13,093 INFO L93 Difference]: Finished difference Result 16 states and 21 transitions. [2025-03-16 21:50:13,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-16 21:50:13,095 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2025-03-16 21:50:13,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-16 21:50:13,099 INFO L225 Difference]: With dead ends: 16 [2025-03-16 21:50:13,099 INFO L226 Difference]: Without dead ends: 9 [2025-03-16 21:50:13,101 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-16 21:50:13,103 INFO L435 NwaCegarLoop]: 3 mSDtfsCounter, 2 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-16 21:50:13,103 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 8 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-16 21:50:13,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2025-03-16 21:50:13,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2025-03-16 21:50:13,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 21:50:13,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2025-03-16 21:50:13,126 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2025-03-16 21:50:13,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-16 21:50:13,126 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2025-03-16 21:50:13,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-16 21:50:13,126 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2025-03-16 21:50:13,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-16 21:50:13,127 INFO L210 NwaCegarLoop]: Found error trace [2025-03-16 21:50:13,127 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2025-03-16 21:50:13,135 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-16 21:50:13,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-16 21:50:13,331 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-16 21:50:13,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-16 21:50:13,333 INFO L85 PathProgramCache]: Analyzing trace with hash -458170295, now seen corresponding path program 1 times [2025-03-16 21:50:13,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-16 21:50:13,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1767733495] [2025-03-16 21:50:13,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-16 21:50:13,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-16 21:50:13,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-16 21:50:13,336 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-16 21:50:13,338 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-16 21:50:13,802 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-16 21:50:13,909 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-16 21:50:13,910 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-16 21:50:13,910 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-16 21:50:13,923 INFO L256 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 81 conjuncts are in the unsatisfiable core [2025-03-16 21:50:13,944 INFO L279 TraceCheckSpWp]: Computing forward predicates...