./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-func-interl.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a57e2087ba2fb5712da688a78c58574dc68561b7154ad7e0d790d643e6e13ba4 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 23:18:21,571 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 23:18:21,640 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-07 23:18:21,647 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 23:18:21,647 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 23:18:21,669 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 23:18:21,670 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 23:18:21,670 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 23:18:21,671 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 23:18:21,671 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 23:18:21,671 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 23:18:21,672 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 23:18:21,672 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 23:18:21,672 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 23:18:21,672 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 23:18:21,672 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 23:18:21,672 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 23:18:21,672 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 23:18:21,672 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 23:18:21,673 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 23:18:21,673 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 23:18:21,673 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 23:18:21,673 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 23:18:21,673 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 23:18:21,673 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 23:18:21,673 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 23:18:21,673 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 23:18:21,673 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 23:18:21,673 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 23:18:21,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 23:18:21,673 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 23:18:21,673 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 23:18:21,673 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 23:18:21,673 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 23:18:21,673 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 23:18:21,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 23:18:21,673 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 23:18:21,673 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 23:18:21,673 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 23:18:21,674 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 23:18:21,674 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a57e2087ba2fb5712da688a78c58574dc68561b7154ad7e0d790d643e6e13ba4 [2025-02-07 23:18:21,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 23:18:21,926 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 23:18:21,929 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 23:18:21,930 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 23:18:21,930 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 23:18:21,932 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-func-interl.c [2025-02-07 23:18:23,077 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/58ab24ea5/0e1d0307c90243148b81ec2005c2d9f5/FLAGed87de30b [2025-02-07 23:18:23,417 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 23:18:23,418 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-func-interl.c [2025-02-07 23:18:23,439 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/58ab24ea5/0e1d0307c90243148b81ec2005c2d9f5/FLAGed87de30b [2025-02-07 23:18:23,652 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/58ab24ea5/0e1d0307c90243148b81ec2005c2d9f5 [2025-02-07 23:18:23,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 23:18:23,655 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 23:18:23,656 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 23:18:23,656 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 23:18:23,659 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 23:18:23,660 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 11:18:23" (1/1) ... [2025-02-07 23:18:23,660 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40d67a05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:18:23, skipping insertion in model container [2025-02-07 23:18:23,660 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 11:18:23" (1/1) ... [2025-02-07 23:18:23,696 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 23:18:23,825 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-func-interl.c[1172,1185] [2025-02-07 23:18:24,059 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 23:18:24,068 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 23:18:24,075 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-func-interl.c[1172,1185] [2025-02-07 23:18:24,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 23:18:24,201 INFO L204 MainTranslator]: Completed translation [2025-02-07 23:18:24,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:18:24 WrapperNode [2025-02-07 23:18:24,203 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 23:18:24,203 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 23:18:24,203 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 23:18:24,203 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 23:18:24,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:18:24" (1/1) ... [2025-02-07 23:18:24,251 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:18:24" (1/1) ... [2025-02-07 23:18:24,691 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 6061 [2025-02-07 23:18:24,692 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 23:18:24,692 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 23:18:24,692 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 23:18:24,693 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 23:18:24,699 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:18:24" (1/1) ... [2025-02-07 23:18:24,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:18:24" (1/1) ... [2025-02-07 23:18:24,866 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:18:24" (1/1) ... [2025-02-07 23:18:24,981 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]. [2025-02-07 23:18:24,981 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:18:24" (1/1) ... [2025-02-07 23:18:24,982 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:18:24" (1/1) ... [2025-02-07 23:18:25,099 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:18:24" (1/1) ... [2025-02-07 23:18:25,151 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:18:24" (1/1) ... [2025-02-07 23:18:25,171 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:18:24" (1/1) ... [2025-02-07 23:18:25,191 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:18:24" (1/1) ... [2025-02-07 23:18:25,272 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 23:18:25,273 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 23:18:25,273 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 23:18:25,273 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 23:18:25,274 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:18:24" (1/1) ... [2025-02-07 23:18:25,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 23:18:25,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 23:18:25,298 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-07 23:18:25,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-07 23:18:25,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 23:18:25,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-07 23:18:25,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 23:18:25,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 23:18:25,633 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 23:18:25,635 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 23:18:32,081 INFO L? ?]: Removed 3475 outVars from TransFormulas that were not future-live. [2025-02-07 23:18:32,081 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 23:18:32,391 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 23:18:32,394 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 23:18:32,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 11:18:32 BoogieIcfgContainer [2025-02-07 23:18:32,395 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 23:18:32,396 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 23:18:32,396 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 23:18:32,400 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 23:18:32,401 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 11:18:23" (1/3) ... [2025-02-07 23:18:32,401 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@444fd883 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 11:18:32, skipping insertion in model container [2025-02-07 23:18:32,401 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:18:24" (2/3) ... [2025-02-07 23:18:32,402 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@444fd883 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 11:18:32, skipping insertion in model container [2025-02-07 23:18:32,402 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 11:18:32" (3/3) ... [2025-02-07 23:18:32,403 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.krebs.4.prop1-func-interl.c [2025-02-07 23:18:32,416 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 23:18:32,417 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.krebs.4.prop1-func-interl.c that has 1 procedures, 2060 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-07 23:18:32,493 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 23:18:32,502 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;@32aeb1cd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 23:18:32,502 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 23:18:32,513 INFO L276 IsEmpty]: Start isEmpty. Operand has 2060 states, 2058 states have (on average 1.5038872691933916) internal successors, (3095), 2059 states have internal predecessors, (3095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 23:18:32,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2025-02-07 23:18:32,524 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 23:18:32,524 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 23:18:32,525 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 23:18:32,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 23:18:32,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1666407658, now seen corresponding path program 1 times [2025-02-07 23:18:32,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 23:18:32,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914527408] [2025-02-07 23:18:32,535 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 23:18:32,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 23:18:32,633 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-02-07 23:18:32,739 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-02-07 23:18:32,740 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 23:18:32,740 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 23:18:33,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 23:18:33,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 23:18:33,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914527408] [2025-02-07 23:18:33,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914527408] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 23:18:33,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 23:18:33,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-07 23:18:33,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733749750] [2025-02-07 23:18:33,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 23:18:33,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-07 23:18:33,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 23:18:33,433 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-07 23:18:33,434 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-07 23:18:33,439 INFO L87 Difference]: Start difference. First operand has 2060 states, 2058 states have (on average 1.5038872691933916) internal successors, (3095), 2059 states have internal predecessors, (3095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 34.5) internal successors, (138), 4 states have internal predecessors, (138), 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) [2025-02-07 23:18:34,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 23:18:34,495 INFO L93 Difference]: Finished difference Result 3951 states and 5939 transitions. [2025-02-07 23:18:34,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-07 23:18:34,498 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 4 states have internal predecessors, (138), 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 138 [2025-02-07 23:18:34,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 23:18:34,518 INFO L225 Difference]: With dead ends: 3951 [2025-02-07 23:18:34,518 INFO L226 Difference]: Without dead ends: 2060 [2025-02-07 23:18:34,526 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 [2025-02-07 23:18:34,528 INFO L435 NwaCegarLoop]: 2581 mSDtfsCounter, 0 mSDsluCounter, 5157 mSDsCounter, 0 mSdLazyCounter, 1537 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7738 SdHoareTripleChecker+Invalid, 1537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-02-07 23:18:34,529 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7738 Invalid, 1537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1537 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-02-07 23:18:34,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2060 states. [2025-02-07 23:18:34,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2060 to 2060. [2025-02-07 23:18:34,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2060 states, 2059 states have (on average 1.502671199611462) internal successors, (3094), 2059 states have internal predecessors, (3094), 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) [2025-02-07 23:18:34,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2060 states to 2060 states and 3094 transitions. [2025-02-07 23:18:34,634 INFO L78 Accepts]: Start accepts. Automaton has 2060 states and 3094 transitions. Word has length 138 [2025-02-07 23:18:34,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 23:18:34,635 INFO L471 AbstractCegarLoop]: Abstraction has 2060 states and 3094 transitions. [2025-02-07 23:18:34,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 4 states have internal predecessors, (138), 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) [2025-02-07 23:18:34,635 INFO L276 IsEmpty]: Start isEmpty. Operand 2060 states and 3094 transitions. [2025-02-07 23:18:34,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2025-02-07 23:18:34,636 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 23:18:34,637 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 23:18:34,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-07 23:18:34,637 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 23:18:34,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 23:18:34,637 INFO L85 PathProgramCache]: Analyzing trace with hash 123712115, now seen corresponding path program 1 times [2025-02-07 23:18:34,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 23:18:34,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120484251] [2025-02-07 23:18:34,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 23:18:34,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 23:18:34,707 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-02-07 23:18:34,749 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-02-07 23:18:34,750 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 23:18:34,750 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 23:18:34,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 23:18:34,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 23:18:34,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120484251] [2025-02-07 23:18:34,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120484251] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 23:18:34,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 23:18:34,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-07 23:18:34,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072919781] [2025-02-07 23:18:34,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 23:18:34,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-07 23:18:34,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 23:18:34,963 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-07 23:18:34,963 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-07 23:18:34,963 INFO L87 Difference]: Start difference. First operand 2060 states and 3094 transitions. Second operand has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 23:18:35,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 23:18:35,760 INFO L93 Difference]: Finished difference Result 3953 states and 5938 transitions. [2025-02-07 23:18:35,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-07 23:18:35,760 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2025-02-07 23:18:35,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 23:18:35,768 INFO L225 Difference]: With dead ends: 3953 [2025-02-07 23:18:35,768 INFO L226 Difference]: Without dead ends: 2062 [2025-02-07 23:18:35,772 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 [2025-02-07 23:18:35,772 INFO L435 NwaCegarLoop]: 2581 mSDtfsCounter, 0 mSDsluCounter, 5154 mSDsCounter, 0 mSdLazyCounter, 1540 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7735 SdHoareTripleChecker+Invalid, 1540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-07 23:18:35,773 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7735 Invalid, 1540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1540 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-07 23:18:35,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2062 states. [2025-02-07 23:18:35,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2062 to 2062. [2025-02-07 23:18:35,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2062 states, 2061 states have (on average 1.502183406113537) internal successors, (3096), 2061 states have internal predecessors, (3096), 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) [2025-02-07 23:18:35,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2062 states to 2062 states and 3096 transitions. [2025-02-07 23:18:35,830 INFO L78 Accepts]: Start accepts. Automaton has 2062 states and 3096 transitions. Word has length 139 [2025-02-07 23:18:35,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 23:18:35,831 INFO L471 AbstractCegarLoop]: Abstraction has 2062 states and 3096 transitions. [2025-02-07 23:18:35,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 23:18:35,831 INFO L276 IsEmpty]: Start isEmpty. Operand 2062 states and 3096 transitions. [2025-02-07 23:18:35,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2025-02-07 23:18:35,833 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 23:18:35,833 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 23:18:35,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-07 23:18:35,833 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 23:18:35,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 23:18:35,834 INFO L85 PathProgramCache]: Analyzing trace with hash 1471620613, now seen corresponding path program 1 times [2025-02-07 23:18:35,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 23:18:35,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703606307] [2025-02-07 23:18:35,835 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 23:18:35,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 23:18:35,894 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 140 statements into 1 equivalence classes. [2025-02-07 23:18:35,924 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 140 of 140 statements. [2025-02-07 23:18:35,925 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 23:18:35,925 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 23:18:36,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 23:18:36,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 23:18:36,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703606307] [2025-02-07 23:18:36,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703606307] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 23:18:36,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 23:18:36,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-07 23:18:36,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807075885] [2025-02-07 23:18:36,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 23:18:36,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-07 23:18:36,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 23:18:36,150 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-07 23:18:36,150 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-07 23:18:36,150 INFO L87 Difference]: Start difference. First operand 2062 states and 3096 transitions. Second operand has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 23:18:36,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 23:18:36,994 INFO L93 Difference]: Finished difference Result 3957 states and 5942 transitions. [2025-02-07 23:18:36,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-07 23:18:36,995 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 140 [2025-02-07 23:18:36,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 23:18:37,005 INFO L225 Difference]: With dead ends: 3957 [2025-02-07 23:18:37,005 INFO L226 Difference]: Without dead ends: 2064 [2025-02-07 23:18:37,006 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 [2025-02-07 23:18:37,007 INFO L435 NwaCegarLoop]: 2581 mSDtfsCounter, 0 mSDsluCounter, 5149 mSDsCounter, 0 mSdLazyCounter, 1545 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7730 SdHoareTripleChecker+Invalid, 1545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-02-07 23:18:37,007 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7730 Invalid, 1545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1545 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-07 23:18:37,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2064 states. [2025-02-07 23:18:37,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2064 to 2064. [2025-02-07 23:18:37,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2064 states, 2063 states have (on average 1.5016965584100823) internal successors, (3098), 2063 states have internal predecessors, (3098), 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) [2025-02-07 23:18:37,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2064 states to 2064 states and 3098 transitions. [2025-02-07 23:18:37,045 INFO L78 Accepts]: Start accepts. Automaton has 2064 states and 3098 transitions. Word has length 140 [2025-02-07 23:18:37,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 23:18:37,045 INFO L471 AbstractCegarLoop]: Abstraction has 2064 states and 3098 transitions. [2025-02-07 23:18:37,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 23:18:37,045 INFO L276 IsEmpty]: Start isEmpty. Operand 2064 states and 3098 transitions. [2025-02-07 23:18:37,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2025-02-07 23:18:37,048 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 23:18:37,049 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 23:18:37,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-07 23:18:37,049 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 23:18:37,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 23:18:37,050 INFO L85 PathProgramCache]: Analyzing trace with hash 263964376, now seen corresponding path program 1 times [2025-02-07 23:18:37,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 23:18:37,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853814902] [2025-02-07 23:18:37,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 23:18:37,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 23:18:37,088 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes. [2025-02-07 23:18:37,114 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements. [2025-02-07 23:18:37,114 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 23:18:37,114 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 23:18:37,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 23:18:37,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 23:18:37,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853814902] [2025-02-07 23:18:37,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853814902] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 23:18:37,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 23:18:37,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-07 23:18:37,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172867603] [2025-02-07 23:18:37,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 23:18:37,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-07 23:18:37,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 23:18:37,281 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-07 23:18:37,281 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-07 23:18:37,281 INFO L87 Difference]: Start difference. First operand 2064 states and 3098 transitions. Second operand has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 23:18:38,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 23:18:38,117 INFO L93 Difference]: Finished difference Result 3967 states and 5954 transitions. [2025-02-07 23:18:38,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-07 23:18:38,118 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2025-02-07 23:18:38,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 23:18:38,126 INFO L225 Difference]: With dead ends: 3967 [2025-02-07 23:18:38,126 INFO L226 Difference]: Without dead ends: 2072 [2025-02-07 23:18:38,129 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 [2025-02-07 23:18:38,130 INFO L435 NwaCegarLoop]: 2581 mSDtfsCounter, 3 mSDsluCounter, 5149 mSDsCounter, 0 mSdLazyCounter, 1545 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 7730 SdHoareTripleChecker+Invalid, 1545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-02-07 23:18:38,131 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 7730 Invalid, 1545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1545 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-07 23:18:38,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2072 states. [2025-02-07 23:18:38,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2072 to 2068. [2025-02-07 23:18:38,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2068 states, 2067 states have (on average 1.5016932752781809) internal successors, (3104), 2067 states have internal predecessors, (3104), 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) [2025-02-07 23:18:38,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2068 states to 2068 states and 3104 transitions. [2025-02-07 23:18:38,177 INFO L78 Accepts]: Start accepts. Automaton has 2068 states and 3104 transitions. Word has length 141 [2025-02-07 23:18:38,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 23:18:38,177 INFO L471 AbstractCegarLoop]: Abstraction has 2068 states and 3104 transitions. [2025-02-07 23:18:38,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 23:18:38,178 INFO L276 IsEmpty]: Start isEmpty. Operand 2068 states and 3104 transitions. [2025-02-07 23:18:38,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2025-02-07 23:18:38,179 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 23:18:38,179 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 23:18:38,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-07 23:18:38,179 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 23:18:38,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 23:18:38,180 INFO L85 PathProgramCache]: Analyzing trace with hash 292761632, now seen corresponding path program 1 times [2025-02-07 23:18:38,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 23:18:38,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30588446] [2025-02-07 23:18:38,180 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 23:18:38,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 23:18:38,213 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-02-07 23:18:38,239 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-02-07 23:18:38,239 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 23:18:38,239 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 23:18:38,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 23:18:38,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 23:18:38,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30588446] [2025-02-07 23:18:38,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30588446] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 23:18:38,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 23:18:38,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-07 23:18:38,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549780034] [2025-02-07 23:18:38,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 23:18:38,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-07 23:18:38,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 23:18:38,495 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-07 23:18:38,495 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-07 23:18:38,495 INFO L87 Difference]: Start difference. First operand 2068 states and 3104 transitions. Second operand has 5 states, 5 states have (on average 28.4) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 23:18:40,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 23:18:40,947 INFO L93 Difference]: Finished difference Result 5850 states and 8782 transitions. [2025-02-07 23:18:40,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-07 23:18:40,947 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.4) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 142 [2025-02-07 23:18:40,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 23:18:40,960 INFO L225 Difference]: With dead ends: 5850 [2025-02-07 23:18:40,960 INFO L226 Difference]: Without dead ends: 3951 [2025-02-07 23:18:40,964 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 [2025-02-07 23:18:40,965 INFO L435 NwaCegarLoop]: 2066 mSDtfsCounter, 2945 mSDsluCounter, 6069 mSDsCounter, 0 mSdLazyCounter, 3980 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2945 SdHoareTripleChecker+Valid, 8135 SdHoareTripleChecker+Invalid, 3981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2025-02-07 23:18:40,965 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2945 Valid, 8135 Invalid, 3981 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3980 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2025-02-07 23:18:40,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3951 states. [2025-02-07 23:18:41,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3951 to 2155. [2025-02-07 23:18:41,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2155 states, 2154 states have (on average 1.500928505106778) internal successors, (3233), 2154 states have internal predecessors, (3233), 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) [2025-02-07 23:18:41,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 2155 states and 3233 transitions. [2025-02-07 23:18:41,012 INFO L78 Accepts]: Start accepts. Automaton has 2155 states and 3233 transitions. Word has length 142 [2025-02-07 23:18:41,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 23:18:41,012 INFO L471 AbstractCegarLoop]: Abstraction has 2155 states and 3233 transitions. [2025-02-07 23:18:41,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.4) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 23:18:41,012 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 3233 transitions. [2025-02-07 23:18:41,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2025-02-07 23:18:41,013 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 23:18:41,013 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 23:18:41,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-07 23:18:41,013 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 23:18:41,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 23:18:41,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1311822764, now seen corresponding path program 1 times [2025-02-07 23:18:41,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 23:18:41,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386493218] [2025-02-07 23:18:41,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 23:18:41,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 23:18:41,040 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-02-07 23:18:41,059 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-02-07 23:18:41,060 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 23:18:41,060 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 23:18:41,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 23:18:41,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 23:18:41,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386493218] [2025-02-07 23:18:41,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386493218] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 23:18:41,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 23:18:41,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-07 23:18:41,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282601916] [2025-02-07 23:18:41,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 23:18:41,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-07 23:18:41,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 23:18:41,300 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-07 23:18:41,300 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-07 23:18:41,300 INFO L87 Difference]: Start difference. First operand 2155 states and 3233 transitions. Second operand has 5 states, 5 states have (on average 28.6) internal successors, (143), 4 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 23:18:42,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 23:18:42,958 INFO L93 Difference]: Finished difference Result 4054 states and 6084 transitions. [2025-02-07 23:18:42,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-07 23:18:42,959 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 4 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 143 [2025-02-07 23:18:42,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 23:18:42,965 INFO L225 Difference]: With dead ends: 4054 [2025-02-07 23:18:42,965 INFO L226 Difference]: Without dead ends: 2155 [2025-02-07 23:18:42,968 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-02-07 23:18:42,969 INFO L435 NwaCegarLoop]: 2058 mSDtfsCounter, 2966 mSDsluCounter, 4106 mSDsCounter, 0 mSdLazyCounter, 3097 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2966 SdHoareTripleChecker+Valid, 6164 SdHoareTripleChecker+Invalid, 3098 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-02-07 23:18:42,969 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2966 Valid, 6164 Invalid, 3098 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3097 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-02-07 23:18:42,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2155 states. [2025-02-07 23:18:43,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2155 to 2155. [2025-02-07 23:18:43,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2155 states, 2154 states have (on average 1.499071494893222) internal successors, (3229), 2154 states have internal predecessors, (3229), 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) [2025-02-07 23:18:43,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 2155 states and 3229 transitions. [2025-02-07 23:18:43,015 INFO L78 Accepts]: Start accepts. Automaton has 2155 states and 3229 transitions. Word has length 143 [2025-02-07 23:18:43,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 23:18:43,016 INFO L471 AbstractCegarLoop]: Abstraction has 2155 states and 3229 transitions. [2025-02-07 23:18:43,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 4 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 23:18:43,016 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 3229 transitions. [2025-02-07 23:18:43,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2025-02-07 23:18:43,017 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 23:18:43,017 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 23:18:43,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-07 23:18:43,018 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 23:18:43,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 23:18:43,019 INFO L85 PathProgramCache]: Analyzing trace with hash -625030545, now seen corresponding path program 1 times [2025-02-07 23:18:43,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 23:18:43,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094396508] [2025-02-07 23:18:43,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 23:18:43,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 23:18:43,053 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-02-07 23:18:43,079 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-02-07 23:18:43,079 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 23:18:43,079 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 23:18:43,079 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-07 23:18:43,110 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-02-07 23:18:43,141 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-02-07 23:18:43,141 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 23:18:43,141 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 23:18:43,197 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-07 23:18:43,198 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-07 23:18:43,198 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-07 23:18:43,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-07 23:18:43,202 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2025-02-07 23:18:43,275 WARN L310 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2025-02-07 23:18:43,299 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 23:18:43,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 11:18:43 BoogieIcfgContainer [2025-02-07 23:18:43,304 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 23:18:43,304 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 23:18:43,304 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 23:18:43,304 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 23:18:43,305 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 11:18:32" (3/4) ... [2025-02-07 23:18:43,307 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-07 23:18:43,307 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 23:18:43,308 INFO L158 Benchmark]: Toolchain (without parser) took 19652.81ms. Allocated memory was 167.8MB in the beginning and 620.8MB in the end (delta: 453.0MB). Free memory was 128.1MB in the beginning and 156.3MB in the end (delta: -28.2MB). Peak memory consumption was 432.3MB. Max. memory is 16.1GB. [2025-02-07 23:18:43,308 INFO L158 Benchmark]: CDTParser took 0.91ms. Allocated memory is still 201.3MB. Free memory is still 127.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 23:18:43,308 INFO L158 Benchmark]: CACSL2BoogieTranslator took 546.68ms. Allocated memory is still 167.8MB. Free memory was 127.8MB in the beginning and 51.1MB in the end (delta: 76.7MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. [2025-02-07 23:18:43,309 INFO L158 Benchmark]: Boogie Procedure Inliner took 488.55ms. Allocated memory was 167.8MB in the beginning and 176.2MB in the end (delta: 8.4MB). Free memory was 51.1MB in the beginning and 45.1MB in the end (delta: 5.9MB). Peak memory consumption was 103.2MB. Max. memory is 16.1GB. [2025-02-07 23:18:43,309 INFO L158 Benchmark]: Boogie Preprocessor took 579.39ms. Allocated memory was 176.2MB in the beginning and 478.2MB in the end (delta: 302.0MB). Free memory was 45.1MB in the beginning and 313.4MB in the end (delta: -268.3MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. [2025-02-07 23:18:43,310 INFO L158 Benchmark]: IcfgBuilder took 7122.05ms. Allocated memory was 478.2MB in the beginning and 1.1GB in the end (delta: 612.4MB). Free memory was 313.4MB in the beginning and 901.6MB in the end (delta: -588.1MB). Peak memory consumption was 675.1MB. Max. memory is 16.1GB. [2025-02-07 23:18:43,310 INFO L158 Benchmark]: TraceAbstraction took 10907.31ms. Allocated memory was 1.1GB in the beginning and 620.8MB in the end (delta: -469.8MB). Free memory was 901.6MB in the beginning and 156.4MB in the end (delta: 745.2MB). Peak memory consumption was 267.0MB. Max. memory is 16.1GB. [2025-02-07 23:18:43,310 INFO L158 Benchmark]: Witness Printer took 3.34ms. Allocated memory is still 620.8MB. Free memory was 156.4MB in the beginning and 156.3MB in the end (delta: 94.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 23:18:43,311 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.91ms. Allocated memory is still 201.3MB. Free memory is still 127.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 546.68ms. Allocated memory is still 167.8MB. Free memory was 127.8MB in the beginning and 51.1MB in the end (delta: 76.7MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 488.55ms. Allocated memory was 167.8MB in the beginning and 176.2MB in the end (delta: 8.4MB). Free memory was 51.1MB in the beginning and 45.1MB in the end (delta: 5.9MB). Peak memory consumption was 103.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 579.39ms. Allocated memory was 176.2MB in the beginning and 478.2MB in the end (delta: 302.0MB). Free memory was 45.1MB in the beginning and 313.4MB in the end (delta: -268.3MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. * IcfgBuilder took 7122.05ms. Allocated memory was 478.2MB in the beginning and 1.1GB in the end (delta: 612.4MB). Free memory was 313.4MB in the beginning and 901.6MB in the end (delta: -588.1MB). Peak memory consumption was 675.1MB. Max. memory is 16.1GB. * TraceAbstraction took 10907.31ms. Allocated memory was 1.1GB in the beginning and 620.8MB in the end (delta: -469.8MB). Free memory was 901.6MB in the beginning and 156.4MB in the end (delta: 745.2MB). Peak memory consumption was 267.0MB. Max. memory is 16.1GB. * Witness Printer took 3.34ms. Allocated memory is still 620.8MB. Free memory was 156.4MB in the beginning and 156.3MB in the end (delta: 94.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 255, overapproximation of bitwiseAnd at line 253. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L38] const SORT_2 var_5 = 0; [L39] const SORT_1 var_30 = 0; [L40] const SORT_3 var_91 = 0; [L41] const SORT_4 var_93 = 80; [L42] const SORT_2 var_97 = 15; [L43] const SORT_4 var_101 = 1; [L44] const SORT_2 var_107 = 4; [L45] const SORT_4 var_109 = 2; [L46] const SORT_2 var_133 = 12; [L47] const SORT_2 var_160 = 2; [L48] const SORT_2 var_225 = 10; [L50] SORT_1 input_98; [L51] SORT_1 input_108; [L52] SORT_1 input_114; [L53] SORT_1 input_138; [L54] SORT_1 input_141; [L55] SORT_1 input_142; [L56] SORT_1 input_143; [L57] SORT_1 input_144; [L58] SORT_1 input_145; [L59] SORT_1 input_146; [L60] SORT_1 input_167; [L61] SORT_1 input_168; [L62] SORT_1 input_169; [L63] SORT_1 input_194; [L64] SORT_1 input_198; [L65] SORT_1 input_199; [L66] SORT_1 input_245; [L67] SORT_1 input_248; [L68] SORT_1 input_249; [L69] SORT_1 input_272; [L70] SORT_1 input_293; [L71] SORT_1 input_314; [L73] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L73] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L74] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L74] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L75] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L75] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L76] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L76] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L77] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L78] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L79] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L80] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L81] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L82] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L83] SORT_2 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L84] SORT_2 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L85] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L86] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L87] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L88] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L89] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L90] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L91] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L92] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L93] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L94] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L95] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L96] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L97] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L97] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L98] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L99] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L100] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L101] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L102] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L102] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L103] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L103] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L104] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L104] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L105] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L106] SORT_1 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L107] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L107] SORT_1 state_75 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L108] SORT_1 state_77 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L109] SORT_1 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L110] SORT_1 state_81 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L111] SORT_1 state_83 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L112] SORT_1 state_85 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L113] SORT_1 state_87 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L114] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L114] SORT_1 state_89 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L116] SORT_2 init_7_arg_1 = var_5; [L117] state_6 = init_7_arg_1 [L118] SORT_2 init_9_arg_1 = var_5; [L119] state_8 = init_9_arg_1 [L120] SORT_2 init_11_arg_1 = var_5; [L121] state_10 = init_11_arg_1 [L122] SORT_2 init_13_arg_1 = var_5; [L123] state_12 = init_13_arg_1 [L124] SORT_2 init_15_arg_1 = var_5; [L125] state_14 = init_15_arg_1 [L126] SORT_2 init_17_arg_1 = var_5; [L127] state_16 = init_17_arg_1 [L128] SORT_2 init_19_arg_1 = var_5; [L129] state_18 = init_19_arg_1 [L130] SORT_2 init_21_arg_1 = var_5; [L131] state_20 = init_21_arg_1 [L132] SORT_2 init_23_arg_1 = var_5; [L133] state_22 = init_23_arg_1 [L134] SORT_2 init_25_arg_1 = var_5; [L135] state_24 = init_25_arg_1 [L136] SORT_2 init_27_arg_1 = var_5; [L137] state_26 = init_27_arg_1 [L138] SORT_2 init_29_arg_1 = var_5; [L139] state_28 = init_29_arg_1 [L140] SORT_1 init_32_arg_1 = var_30; [L141] state_31 = init_32_arg_1 [L142] SORT_1 init_34_arg_1 = var_30; [L143] state_33 = init_34_arg_1 [L144] SORT_1 init_36_arg_1 = var_30; [L145] state_35 = init_36_arg_1 [L146] SORT_1 init_38_arg_1 = var_30; [L147] state_37 = init_38_arg_1 [L148] SORT_1 init_40_arg_1 = var_30; [L149] state_39 = init_40_arg_1 [L150] SORT_1 init_42_arg_1 = var_30; [L151] state_41 = init_42_arg_1 [L152] SORT_1 init_44_arg_1 = var_30; [L153] state_43 = init_44_arg_1 [L154] SORT_1 init_46_arg_1 = var_30; [L155] state_45 = init_46_arg_1 [L156] SORT_1 init_48_arg_1 = var_30; [L157] state_47 = init_48_arg_1 [L158] SORT_1 init_50_arg_1 = var_30; [L159] state_49 = init_50_arg_1 [L160] SORT_1 init_52_arg_1 = var_30; [L161] state_51 = init_52_arg_1 [L162] SORT_1 init_54_arg_1 = var_30; [L163] state_53 = init_54_arg_1 [L164] SORT_1 init_56_arg_1 = var_30; [L165] state_55 = init_56_arg_1 [L166] SORT_1 init_58_arg_1 = var_30; [L167] state_57 = init_58_arg_1 [L168] SORT_1 init_60_arg_1 = var_30; [L169] state_59 = init_60_arg_1 [L170] SORT_1 init_62_arg_1 = var_30; [L171] state_61 = init_62_arg_1 [L172] SORT_1 init_64_arg_1 = var_30; [L173] state_63 = init_64_arg_1 [L174] SORT_1 init_66_arg_1 = var_30; [L175] state_65 = init_66_arg_1 [L176] SORT_1 init_68_arg_1 = var_30; [L177] state_67 = init_68_arg_1 [L178] SORT_1 init_70_arg_1 = var_30; [L179] state_69 = init_70_arg_1 [L180] SORT_1 init_72_arg_1 = var_30; [L181] state_71 = init_72_arg_1 [L182] SORT_1 init_74_arg_1 = var_30; [L183] state_73 = init_74_arg_1 [L184] SORT_1 init_76_arg_1 = var_30; [L185] state_75 = init_76_arg_1 [L186] SORT_1 init_78_arg_1 = var_30; [L187] state_77 = init_78_arg_1 [L188] SORT_1 init_80_arg_1 = var_30; [L189] state_79 = init_80_arg_1 [L190] SORT_1 init_82_arg_1 = var_30; [L191] state_81 = init_82_arg_1 [L192] SORT_1 init_84_arg_1 = var_30; [L193] state_83 = init_84_arg_1 [L194] SORT_1 init_86_arg_1 = var_30; [L195] state_85 = init_86_arg_1 [L196] SORT_1 init_88_arg_1 = var_30; [L197] state_87 = init_88_arg_1 [L198] SORT_1 init_90_arg_1 = var_30; [L199] state_89 = init_90_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L202] input_98 = __VERIFIER_nondet_uchar() [L203] EXPR input_98 & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L203] input_98 = input_98 & mask_SORT_1 [L204] input_108 = __VERIFIER_nondet_uchar() [L205] EXPR input_108 & mask_SORT_1 VAL [input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L205] input_108 = input_108 & mask_SORT_1 [L206] input_114 = __VERIFIER_nondet_uchar() [L207] EXPR input_114 & mask_SORT_1 VAL [input_108=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L207] input_114 = input_114 & mask_SORT_1 [L208] input_138 = __VERIFIER_nondet_uchar() [L209] EXPR input_138 & mask_SORT_1 VAL [input_108=0, input_114=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L209] input_138 = input_138 & mask_SORT_1 [L210] input_141 = __VERIFIER_nondet_uchar() [L211] EXPR input_141 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L211] input_141 = input_141 & mask_SORT_1 [L212] input_142 = __VERIFIER_nondet_uchar() [L213] EXPR input_142 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L213] input_142 = input_142 & mask_SORT_1 [L214] input_143 = __VERIFIER_nondet_uchar() [L215] EXPR input_143 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L215] input_143 = input_143 & mask_SORT_1 [L216] input_144 = __VERIFIER_nondet_uchar() [L217] EXPR input_144 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L217] input_144 = input_144 & mask_SORT_1 [L218] input_145 = __VERIFIER_nondet_uchar() [L219] EXPR input_145 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L219] input_145 = input_145 & mask_SORT_1 [L220] input_146 = __VERIFIER_nondet_uchar() [L221] EXPR input_146 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L221] input_146 = input_146 & mask_SORT_1 [L222] input_167 = __VERIFIER_nondet_uchar() [L223] EXPR input_167 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L223] input_167 = input_167 & mask_SORT_1 [L224] input_168 = __VERIFIER_nondet_uchar() [L225] EXPR input_168 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L225] input_168 = input_168 & mask_SORT_1 [L226] input_169 = __VERIFIER_nondet_uchar() [L227] EXPR input_169 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_168=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L227] input_169 = input_169 & mask_SORT_1 [L228] input_194 = __VERIFIER_nondet_uchar() [L229] EXPR input_194 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_168=0, input_169=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L229] input_194 = input_194 & mask_SORT_1 [L230] input_198 = __VERIFIER_nondet_uchar() [L231] EXPR input_198 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_168=0, input_169=0, input_194=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L231] input_198 = input_198 & mask_SORT_1 [L232] input_199 = __VERIFIER_nondet_uchar() [L233] EXPR input_199 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_168=0, input_169=0, input_194=0, input_198=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L233] input_199 = input_199 & mask_SORT_1 [L234] input_245 = __VERIFIER_nondet_uchar() [L235] EXPR input_245 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_168=0, input_169=0, input_194=0, input_198=0, input_199=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L235] input_245 = input_245 & mask_SORT_1 [L236] input_248 = __VERIFIER_nondet_uchar() [L237] EXPR input_248 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_168=0, input_169=0, input_194=0, input_198=0, input_199=0, input_245=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L237] input_248 = input_248 & mask_SORT_1 [L238] input_249 = __VERIFIER_nondet_uchar() [L239] EXPR input_249 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_168=0, input_169=0, input_194=0, input_198=0, input_199=0, input_245=0, input_248=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L239] input_249 = input_249 & mask_SORT_1 [L240] input_272 = __VERIFIER_nondet_uchar() [L241] input_293 = __VERIFIER_nondet_uchar() [L242] input_314 = __VERIFIER_nondet_uchar() [L245] SORT_3 var_92_arg_0 = var_91; [L246] SORT_2 var_92_arg_1 = state_28; VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_168=0, input_169=0, input_194=0, input_198=0, input_199=0, input_245=0, input_248=0, input_249=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_92_arg_0=0, var_92_arg_1=0, var_93=80, var_97=15] [L247] EXPR ((SORT_4)var_92_arg_0 << 8) | var_92_arg_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_168=0, input_169=0, input_194=0, input_198=0, input_199=0, input_245=0, input_248=0, input_249=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L247] SORT_4 var_92 = ((SORT_4)var_92_arg_0 << 8) | var_92_arg_1; [L248] EXPR var_92 & mask_SORT_4 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_168=0, input_169=0, input_194=0, input_198=0, input_199=0, input_245=0, input_248=0, input_249=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L248] var_92 = var_92 & mask_SORT_4 [L249] SORT_4 var_94_arg_0 = var_92; [L250] SORT_4 var_94_arg_1 = var_93; [L251] SORT_1 var_94 = var_94_arg_0 <= var_94_arg_1; [L252] SORT_1 var_95_arg_0 = ~state_89; VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_168=0, input_169=0, input_194=0, input_198=0, input_199=0, input_245=0, input_248=0, input_249=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_92=0, var_93=80, var_94=1, var_95_arg_0=-1, var_97=15] [L253] EXPR var_95_arg_0 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_168=0, input_169=0, input_194=0, input_198=0, input_199=0, input_245=0, input_248=0, input_249=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_92=0, var_93=80, var_94=1, var_97=15] [L253] var_95_arg_0 = var_95_arg_0 & mask_SORT_1 [L254] SORT_1 var_95_arg_1 = ~var_94; VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_168=0, input_169=0, input_194=0, input_198=0, input_199=0, input_245=0, input_248=0, input_249=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_92=0, var_93=80, var_95_arg_0=1, var_95_arg_1=-2, var_97=15] [L255] EXPR var_95_arg_1 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_168=0, input_169=0, input_194=0, input_198=0, input_199=0, input_245=0, input_248=0, input_249=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_92=0, var_93=80, var_95_arg_0=1, var_97=15] [L255] var_95_arg_1 = var_95_arg_1 & mask_SORT_1 [L256] EXPR var_95_arg_0 & var_95_arg_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_168=0, input_169=0, input_194=0, input_198=0, input_199=0, input_245=0, input_248=0, input_249=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_92=0, var_93=80, var_97=15] [L256] SORT_1 var_95 = var_95_arg_0 & var_95_arg_1; [L257] EXPR var_95 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_168=0, input_169=0, input_194=0, input_198=0, input_199=0, input_245=0, input_248=0, input_249=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_92=0, var_93=80, var_97=15] [L257] var_95 = var_95 & mask_SORT_1 [L258] SORT_1 bad_96_arg_0 = var_95; [L259] CALL __VERIFIER_assert(!(bad_96_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 2060 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.7s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5914 SdHoareTripleChecker+Valid, 7.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5914 mSDsluCounter, 45232 SdHoareTripleChecker+Invalid, 5.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30784 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13244 IncrementalHoareTripleChecker+Invalid, 13246 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 14448 mSDtfsCounter, 13244 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2155occurred in iteration=5, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 1800 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 987 NumberOfCodeBlocks, 987 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 837 ConstructedInterpolants, 0 QuantifiedInterpolants, 1988 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 [2025-02-07 23:18:43,338 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-func-interl.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a57e2087ba2fb5712da688a78c58574dc68561b7154ad7e0d790d643e6e13ba4 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 23:18:45,229 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 23:18:45,297 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2025-02-07 23:18:45,316 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 23:18:45,316 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 23:18:45,338 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 23:18:45,339 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 23:18:45,340 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 23:18:45,340 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 23:18:45,340 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 23:18:45,341 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 23:18:45,341 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 23:18:45,341 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 23:18:45,341 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 23:18:45,342 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 23:18:45,342 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 23:18:45,342 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 23:18:45,342 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 23:18:45,342 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 23:18:45,342 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 23:18:45,342 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 23:18:45,342 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-07 23:18:45,343 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-07 23:18:45,343 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-07 23:18:45,343 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 23:18:45,343 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 23:18:45,343 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 23:18:45,343 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 23:18:45,343 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 23:18:45,343 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 23:18:45,343 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 23:18:45,344 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 23:18:45,344 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 23:18:45,344 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 23:18:45,344 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 23:18:45,344 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 23:18:45,344 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-07 23:18:45,344 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-07 23:18:45,344 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 23:18:45,344 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 23:18:45,344 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 23:18:45,344 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 23:18:45,344 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a57e2087ba2fb5712da688a78c58574dc68561b7154ad7e0d790d643e6e13ba4 [2025-02-07 23:18:45,589 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 23:18:45,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 23:18:45,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 23:18:45,597 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 23:18:45,597 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 23:18:45,598 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-func-interl.c [2025-02-07 23:18:46,748 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0d5825d31/b902500bc50e4290868f576f3223d730/FLAGf30a96a84 [2025-02-07 23:18:47,053 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 23:18:47,054 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-func-interl.c [2025-02-07 23:18:47,075 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0d5825d31/b902500bc50e4290868f576f3223d730/FLAGf30a96a84 [2025-02-07 23:18:47,305 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0d5825d31/b902500bc50e4290868f576f3223d730 [2025-02-07 23:18:47,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 23:18:47,308 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 23:18:47,309 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 23:18:47,309 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 23:18:47,312 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 23:18:47,312 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 11:18:47" (1/1) ... [2025-02-07 23:18:47,313 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2156610c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:18:47, skipping insertion in model container [2025-02-07 23:18:47,313 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 11:18:47" (1/1) ... [2025-02-07 23:18:47,355 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 23:18:47,523 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-func-interl.c[1172,1185] [2025-02-07 23:18:47,730 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 23:18:47,741 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 23:18:47,749 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-func-interl.c[1172,1185] [2025-02-07 23:18:47,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 23:18:47,857 INFO L204 MainTranslator]: Completed translation [2025-02-07 23:18:47,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:18:47 WrapperNode [2025-02-07 23:18:47,859 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 23:18:47,859 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 23:18:47,859 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 23:18:47,859 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 23:18:47,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:18:47" (1/1) ... [2025-02-07 23:18:47,886 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:18:47" (1/1) ... [2025-02-07 23:18:47,969 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1957 [2025-02-07 23:18:47,970 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 23:18:47,971 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 23:18:47,971 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 23:18:47,971 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 23:18:47,977 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:18:47" (1/1) ... [2025-02-07 23:18:47,977 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:18:47" (1/1) ... [2025-02-07 23:18:47,986 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:18:47" (1/1) ... [2025-02-07 23:18:48,020 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]. [2025-02-07 23:18:48,024 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:18:47" (1/1) ... [2025-02-07 23:18:48,025 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:18:47" (1/1) ... [2025-02-07 23:18:48,049 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:18:47" (1/1) ... [2025-02-07 23:18:48,051 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:18:47" (1/1) ... [2025-02-07 23:18:48,056 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:18:47" (1/1) ... [2025-02-07 23:18:48,060 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:18:47" (1/1) ... [2025-02-07 23:18:48,088 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 23:18:48,090 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 23:18:48,090 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 23:18:48,091 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 23:18:48,091 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:18:47" (1/1) ... [2025-02-07 23:18:48,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 23:18:48,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 23:18:48,117 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-07 23:18:48,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-07 23:18:48,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 23:18:48,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-07 23:18:48,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 23:18:48,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 23:18:48,397 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 23:18:48,399 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 23:18:49,699 INFO L? ?]: Removed 83 outVars from TransFormulas that were not future-live. [2025-02-07 23:18:49,700 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 23:18:49,706 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 23:18:49,706 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 23:18:49,707 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 11:18:49 BoogieIcfgContainer [2025-02-07 23:18:49,707 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 23:18:49,709 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 23:18:49,709 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 23:18:49,713 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 23:18:49,713 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 11:18:47" (1/3) ... [2025-02-07 23:18:49,714 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cbb26c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 11:18:49, skipping insertion in model container [2025-02-07 23:18:49,714 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:18:47" (2/3) ... [2025-02-07 23:18:49,714 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cbb26c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 11:18:49, skipping insertion in model container [2025-02-07 23:18:49,714 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 11:18:49" (3/3) ... [2025-02-07 23:18:49,715 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.krebs.4.prop1-func-interl.c [2025-02-07 23:18:49,725 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 23:18:49,727 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.krebs.4.prop1-func-interl.c that has 1 procedures, 8 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-07 23:18:49,758 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 23:18:49,767 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;@70c4c781, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 23:18:49,768 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 23:18:49,771 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) [2025-02-07 23:18:49,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-07 23:18:49,775 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 23:18:49,776 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-07 23:18:49,777 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 23:18:49,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 23:18:49,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1137951, now seen corresponding path program 1 times [2025-02-07 23:18:49,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-07 23:18:49,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1098522831] [2025-02-07 23:18:49,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 23:18:49,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-07 23:18:49,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 23:18:49,795 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-07 23:18:49,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-07 23:18:50,138 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-07 23:18:50,165 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-07 23:18:50,166 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 23:18:50,166 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 23:18:50,171 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-02-07 23:18:50,179 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-07 23:18:50,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 23:18:50,307 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-07 23:18:50,308 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-07 23:18:50,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1098522831] [2025-02-07 23:18:50,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1098522831] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 23:18:50,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 23:18:50,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-07 23:18:50,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711956880] [2025-02-07 23:18:50,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 23:18:50,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-07 23:18:50,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-07 23:18:50,324 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-07 23:18:50,325 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-07 23:18:50,326 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) [2025-02-07 23:18:50,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 23:18:50,426 INFO L93 Difference]: Finished difference Result 16 states and 21 transitions. [2025-02-07 23:18:50,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-07 23:18:50,428 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 [2025-02-07 23:18:50,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 23:18:50,432 INFO L225 Difference]: With dead ends: 16 [2025-02-07 23:18:50,432 INFO L226 Difference]: Without dead ends: 9 [2025-02-07 23:18:50,435 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-07 23:18:50,437 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 [2025-02-07 23:18:50,440 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] [2025-02-07 23:18:50,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2025-02-07 23:18:50,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2025-02-07 23:18:50,456 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) [2025-02-07 23:18:50,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2025-02-07 23:18:50,460 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2025-02-07 23:18:50,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 23:18:50,460 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2025-02-07 23:18:50,460 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) [2025-02-07 23:18:50,460 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2025-02-07 23:18:50,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-02-07 23:18:50,461 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 23:18:50,461 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2025-02-07 23:18:50,468 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-07 23:18:50,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-07 23:18:50,666 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 23:18:50,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 23:18:50,667 INFO L85 PathProgramCache]: Analyzing trace with hash -458170295, now seen corresponding path program 1 times [2025-02-07 23:18:50,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-07 23:18:50,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [309399646] [2025-02-07 23:18:50,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 23:18:50,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-07 23:18:50,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 23:18:50,670 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-07 23:18:50,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-07 23:18:51,030 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-07 23:18:51,109 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-07 23:18:51,110 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 23:18:51,110 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 23:18:51,121 INFO L256 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-02-07 23:18:51,131 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-07 23:18:51,463 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 23:18:51,463 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-07 23:19:16,492 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 23:19:16,493 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-07 23:19:16,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [309399646] [2025-02-07 23:19:16,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [309399646] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-07 23:19:16,493 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-07 23:19:16,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-02-07 23:19:16,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325665753] [2025-02-07 23:19:16,493 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-07 23:19:16,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-07 23:19:16,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-07 23:19:16,496 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-07 23:19:16,496 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=87, Unknown=5, NotChecked=0, Total=132 [2025-02-07 23:19:16,496 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand has 12 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 11 states have internal predecessors, (13), 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) [2025-02-07 23:19:22,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 23:19:22,026 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2025-02-07 23:19:22,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-07 23:19:22,027 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 11 states have internal predecessors, (13), 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 7 [2025-02-07 23:19:22,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 23:19:22,028 INFO L225 Difference]: With dead ends: 17 [2025-02-07 23:19:22,028 INFO L226 Difference]: Without dead ends: 15 [2025-02-07 23:19:22,028 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 28.4s TimeCoverageRelationStatistics Valid=91, Invalid=176, Unknown=5, NotChecked=0, Total=272 [2025-02-07 23:19:22,029 INFO L435 NwaCegarLoop]: 3 mSDtfsCounter, 6 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-02-07 23:19:22,029 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 17 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-02-07 23:19:22,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2025-02-07 23:19:22,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2025-02-07 23:19:22,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 23:19:22,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2025-02-07 23:19:22,032 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 7 [2025-02-07 23:19:22,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 23:19:22,032 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2025-02-07 23:19:22,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 11 states have internal predecessors, (13), 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) [2025-02-07 23:19:22,032 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2025-02-07 23:19:22,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-02-07 23:19:22,032 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 23:19:22,032 INFO L218 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1] [2025-02-07 23:19:22,043 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-07 23:19:22,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-07 23:19:22,234 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 23:19:22,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 23:19:22,235 INFO L85 PathProgramCache]: Analyzing trace with hash 852005001, now seen corresponding path program 2 times [2025-02-07 23:19:22,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-07 23:19:22,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [553754162] [2025-02-07 23:19:22,236 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-07 23:19:22,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-07 23:19:22,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 23:19:22,239 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-07 23:19:22,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-07 23:19:22,704 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 13 statements into 2 equivalence classes. [2025-02-07 23:19:22,912 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 13 of 13 statements. [2025-02-07 23:19:22,912 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-07 23:19:22,913 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 23:19:22,936 INFO L256 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 44 conjuncts are in the unsatisfiable core [2025-02-07 23:19:22,952 INFO L279 TraceCheckSpWp]: Computing forward predicates...