./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_CRC.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.h_CRC.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 217c4f5eefa3b0856788b7ca9679c9bd3ae2e76dd46c0382e56b3111181a98a9 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 23:13:27,194 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 23:13:27,238 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-07 23:13:27,242 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 23:13:27,243 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 23:13:27,263 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 23:13:27,264 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 23:13:27,264 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 23:13:27,264 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 23:13:27,264 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 23:13:27,265 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 23:13:27,265 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 23:13:27,265 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 23:13:27,265 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 23:13:27,265 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 23:13:27,265 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 23:13:27,265 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 23:13:27,265 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 23:13:27,266 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 23:13:27,266 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 23:13:27,266 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 23:13:27,266 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 23:13:27,266 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 23:13:27,266 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 23:13:27,266 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 23:13:27,266 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 23:13:27,266 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 23:13:27,267 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 23:13:27,267 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 23:13:27,267 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 23:13:27,267 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 23:13:27,267 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 23:13:27,267 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 23:13:27,267 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 23:13:27,267 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 23:13:27,267 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 23:13:27,268 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 23:13:27,268 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 23:13:27,268 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 23:13:27,268 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 23:13:27,268 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 -> 217c4f5eefa3b0856788b7ca9679c9bd3ae2e76dd46c0382e56b3111181a98a9 [2025-02-07 23:13:27,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 23:13:27,509 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 23:13:27,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 23:13:27,511 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 23:13:27,511 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 23:13:27,513 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_CRC.c [2025-02-07 23:13:28,838 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bf1b66dbc/a1102d08dcc447468f2d614999f1ba27/FLAGd30715f0e [2025-02-07 23:13:29,166 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 23:13:29,167 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_CRC.c [2025-02-07 23:13:29,190 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bf1b66dbc/a1102d08dcc447468f2d614999f1ba27/FLAGd30715f0e [2025-02-07 23:13:29,437 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bf1b66dbc/a1102d08dcc447468f2d614999f1ba27 [2025-02-07 23:13:29,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 23:13:29,440 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 23:13:29,442 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 23:13:29,442 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 23:13:29,445 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 23:13:29,446 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 11:13:29" (1/1) ... [2025-02-07 23:13:29,446 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1131bb02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:13:29, skipping insertion in model container [2025-02-07 23:13:29,447 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 11:13:29" (1/1) ... [2025-02-07 23:13:29,478 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 23:13:29,592 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.h_CRC.c[1245,1258] [2025-02-07 23:13:29,766 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 23:13:29,776 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 23:13:29,787 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.h_CRC.c[1245,1258] [2025-02-07 23:13:29,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 23:13:29,877 INFO L204 MainTranslator]: Completed translation [2025-02-07 23:13:29,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:13:29 WrapperNode [2025-02-07 23:13:29,878 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 23:13:29,879 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 23:13:29,879 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 23:13:29,879 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 23:13:29,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:13:29" (1/1) ... [2025-02-07 23:13:29,913 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:13:29" (1/1) ... [2025-02-07 23:13:30,100 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2319 [2025-02-07 23:13:30,101 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 23:13:30,101 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 23:13:30,101 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 23:13:30,101 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 23:13:30,108 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:13:29" (1/1) ... [2025-02-07 23:13:30,109 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:13:29" (1/1) ... [2025-02-07 23:13:30,193 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:13:29" (1/1) ... [2025-02-07 23:13:30,299 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2025-02-07 23:13:30,299 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:13:29" (1/1) ... [2025-02-07 23:13:30,299 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:13:29" (1/1) ... [2025-02-07 23:13:30,340 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:13:29" (1/1) ... [2025-02-07 23:13:30,347 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:13:29" (1/1) ... [2025-02-07 23:13:30,360 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:13:29" (1/1) ... [2025-02-07 23:13:30,366 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:13:29" (1/1) ... [2025-02-07 23:13:30,392 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 23:13:30,393 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 23:13:30,393 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 23:13:30,393 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 23:13:30,394 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:13:29" (1/1) ... [2025-02-07 23:13:30,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 23:13:30,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 23:13:30,416 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 23:13:30,419 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 23:13:30,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 23:13:30,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-07 23:13:30,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-07 23:13:30,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 23:13:30,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 23:13:30,619 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 23:13:30,621 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 23:13:33,080 INFO L? ?]: Removed 1445 outVars from TransFormulas that were not future-live. [2025-02-07 23:13:33,080 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 23:13:33,198 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 23:13:33,199 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 23:13:33,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 11:13:33 BoogieIcfgContainer [2025-02-07 23:13:33,199 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 23:13:33,205 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 23:13:33,205 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 23:13:33,210 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 23:13:33,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 11:13:29" (1/3) ... [2025-02-07 23:13:33,211 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15ed1f34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 11:13:33, skipping insertion in model container [2025-02-07 23:13:33,211 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:13:29" (2/3) ... [2025-02-07 23:13:33,211 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15ed1f34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 11:13:33, skipping insertion in model container [2025-02-07 23:13:33,211 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 11:13:33" (3/3) ... [2025-02-07 23:13:33,213 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_CRC.c [2025-02-07 23:13:33,227 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 23:13:33,228 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.h_CRC.c that has 1 procedures, 831 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-07 23:13:33,308 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 23:13:33,322 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;@68b5ff5c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 23:13:33,323 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 23:13:33,330 INFO L276 IsEmpty]: Start isEmpty. Operand has 831 states, 829 states have (on average 1.5645355850422196) internal successors, (1297), 830 states have internal predecessors, (1297), 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 23:13:33,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-02-07 23:13:33,334 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 23:13:33,335 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] [2025-02-07 23:13:33,335 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 23:13:33,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 23:13:33,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1296719762, now seen corresponding path program 1 times [2025-02-07 23:13:33,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 23:13:33,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171755285] [2025-02-07 23:13:33,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 23:13:33,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 23:13:33,410 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-07 23:13:33,461 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-07 23:13:33,462 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 23:13:33,462 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 23:13:33,764 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 23:13:33,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 23:13:33,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171755285] [2025-02-07 23:13:33,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171755285] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 23:13:33,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 23:13:33,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-07 23:13:33,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942377242] [2025-02-07 23:13:33,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 23:13:33,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-07 23:13:33,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 23:13:33,787 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-07 23:13:33,788 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-07 23:13:33,791 INFO L87 Difference]: Start difference. First operand has 831 states, 829 states have (on average 1.5645355850422196) internal successors, (1297), 830 states have internal predecessors, (1297), 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 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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 23:13:34,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 23:13:34,212 INFO L93 Difference]: Finished difference Result 1657 states and 2589 transitions. [2025-02-07 23:13:34,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-07 23:13:34,214 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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 20 [2025-02-07 23:13:34,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 23:13:34,223 INFO L225 Difference]: With dead ends: 1657 [2025-02-07 23:13:34,224 INFO L226 Difference]: Without dead ends: 831 [2025-02-07 23:13:34,232 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 23:13:34,234 INFO L435 NwaCegarLoop]: 1113 mSDtfsCounter, 0 mSDsluCounter, 2221 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3334 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-07 23:13:34,239 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3334 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-07 23:13:34,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2025-02-07 23:13:34,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 831. [2025-02-07 23:13:34,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 831 states, 830 states have (on average 1.5614457831325301) internal successors, (1296), 830 states have internal predecessors, (1296), 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 23:13:34,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 1296 transitions. [2025-02-07 23:13:34,326 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 1296 transitions. Word has length 20 [2025-02-07 23:13:34,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 23:13:34,326 INFO L471 AbstractCegarLoop]: Abstraction has 831 states and 1296 transitions. [2025-02-07 23:13:34,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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 23:13:34,327 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1296 transitions. [2025-02-07 23:13:34,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-02-07 23:13:34,327 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 23:13:34,327 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] [2025-02-07 23:13:34,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-07 23:13:34,332 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 23:13:34,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 23:13:34,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1548287512, now seen corresponding path program 1 times [2025-02-07 23:13:34,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 23:13:34,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335769393] [2025-02-07 23:13:34,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 23:13:34,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 23:13:34,364 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-07 23:13:34,374 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-07 23:13:34,375 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 23:13:34,375 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 23:13:34,453 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 23:13:34,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 23:13:34,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335769393] [2025-02-07 23:13:34,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335769393] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 23:13:34,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 23:13:34,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-07 23:13:34,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483036056] [2025-02-07 23:13:34,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 23:13:34,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-07 23:13:34,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 23:13:34,455 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-07 23:13:34,455 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-07 23:13:34,455 INFO L87 Difference]: Start difference. First operand 831 states and 1296 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 23:13:34,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 23:13:34,797 INFO L93 Difference]: Finished difference Result 1659 states and 2588 transitions. [2025-02-07 23:13:34,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-07 23:13:34,798 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 21 [2025-02-07 23:13:34,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 23:13:34,801 INFO L225 Difference]: With dead ends: 1659 [2025-02-07 23:13:34,801 INFO L226 Difference]: Without dead ends: 833 [2025-02-07 23:13:34,803 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 23:13:34,803 INFO L435 NwaCegarLoop]: 1113 mSDtfsCounter, 0 mSDsluCounter, 2218 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3331 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-07 23:13:34,803 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3331 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-07 23:13:34,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2025-02-07 23:13:34,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 833. [2025-02-07 23:13:34,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 833 states, 832 states have (on average 1.5600961538461537) internal successors, (1298), 832 states have internal predecessors, (1298), 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 23:13:34,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1298 transitions. [2025-02-07 23:13:34,834 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1298 transitions. Word has length 21 [2025-02-07 23:13:34,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 23:13:34,835 INFO L471 AbstractCegarLoop]: Abstraction has 833 states and 1298 transitions. [2025-02-07 23:13:34,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 23:13:34,835 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1298 transitions. [2025-02-07 23:13:34,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-02-07 23:13:34,836 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 23:13:34,836 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] [2025-02-07 23:13:34,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-07 23:13:34,837 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 23:13:34,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 23:13:34,838 INFO L85 PathProgramCache]: Analyzing trace with hash -1611184051, now seen corresponding path program 1 times [2025-02-07 23:13:34,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 23:13:34,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032379896] [2025-02-07 23:13:34,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 23:13:34,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 23:13:34,858 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-02-07 23:13:34,882 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-02-07 23:13:34,885 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 23:13:34,885 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 23:13:35,129 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 23:13:35,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 23:13:35,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032379896] [2025-02-07 23:13:35,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032379896] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 23:13:35,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 23:13:35,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-07 23:13:35,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106065572] [2025-02-07 23:13:35,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 23:13:35,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-07 23:13:35,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 23:13:35,131 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-07 23:13:35,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-07 23:13:35,132 INFO L87 Difference]: Start difference. First operand 833 states and 1298 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 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 23:13:35,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 23:13:35,518 INFO L93 Difference]: Finished difference Result 1661 states and 2589 transitions. [2025-02-07 23:13:35,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-07 23:13:35,518 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 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 22 [2025-02-07 23:13:35,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 23:13:35,521 INFO L225 Difference]: With dead ends: 1661 [2025-02-07 23:13:35,523 INFO L226 Difference]: Without dead ends: 833 [2025-02-07 23:13:35,524 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-02-07 23:13:35,526 INFO L435 NwaCegarLoop]: 1110 mSDtfsCounter, 1282 mSDsluCounter, 2216 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1282 SdHoareTripleChecker+Valid, 3326 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-07 23:13:35,526 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1282 Valid, 3326 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-07 23:13:35,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2025-02-07 23:13:35,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 833. [2025-02-07 23:13:35,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 833 states, 832 states have (on average 1.5588942307692308) internal successors, (1297), 832 states have internal predecessors, (1297), 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 23:13:35,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1297 transitions. [2025-02-07 23:13:35,542 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1297 transitions. Word has length 22 [2025-02-07 23:13:35,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 23:13:35,542 INFO L471 AbstractCegarLoop]: Abstraction has 833 states and 1297 transitions. [2025-02-07 23:13:35,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 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 23:13:35,542 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1297 transitions. [2025-02-07 23:13:35,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-02-07 23:13:35,543 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 23:13:35,543 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] [2025-02-07 23:13:35,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-07 23:13:35,543 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 23:13:35,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 23:13:35,544 INFO L85 PathProgramCache]: Analyzing trace with hash -44036150, now seen corresponding path program 1 times [2025-02-07 23:13:35,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 23:13:35,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491813440] [2025-02-07 23:13:35,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 23:13:35,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 23:13:35,559 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-02-07 23:13:35,573 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-02-07 23:13:35,574 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 23:13:35,574 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 23:13:35,574 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-07 23:13:35,580 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-02-07 23:13:35,591 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-02-07 23:13:35,591 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 23:13:35,591 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 23:13:35,613 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-07 23:13:35,613 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-07 23:13:35,614 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-07 23:13:35,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-07 23:13:35,617 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-02-07 23:13:35,635 WARN L310 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2025-02-07 23:13:35,642 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 23:13:35,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 11:13:35 BoogieIcfgContainer [2025-02-07 23:13:35,644 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 23:13:35,644 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 23:13:35,644 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 23:13:35,644 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 23:13:35,645 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 11:13:33" (3/4) ... [2025-02-07 23:13:35,646 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-07 23:13:35,646 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 23:13:35,647 INFO L158 Benchmark]: Toolchain (without parser) took 6206.90ms. Allocated memory was 167.8MB in the beginning and 469.8MB in the end (delta: 302.0MB). Free memory was 128.2MB in the beginning and 313.1MB in the end (delta: -184.9MB). Peak memory consumption was 122.9MB. Max. memory is 16.1GB. [2025-02-07 23:13:35,647 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 226.5MB. Free memory is still 140.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 23:13:35,647 INFO L158 Benchmark]: CACSL2BoogieTranslator took 436.31ms. Allocated memory is still 167.8MB. Free memory was 128.2MB in the beginning and 92.8MB in the end (delta: 35.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-07 23:13:35,648 INFO L158 Benchmark]: Boogie Procedure Inliner took 222.01ms. Allocated memory is still 167.8MB. Free memory was 92.8MB in the beginning and 43.5MB in the end (delta: 49.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2025-02-07 23:13:35,648 INFO L158 Benchmark]: Boogie Preprocessor took 290.84ms. Allocated memory was 167.8MB in the beginning and 176.2MB in the end (delta: 8.4MB). Free memory was 43.5MB in the beginning and 101.8MB in the end (delta: -58.3MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. [2025-02-07 23:13:35,648 INFO L158 Benchmark]: IcfgBuilder took 2806.41ms. Allocated memory was 176.2MB in the beginning and 469.8MB in the end (delta: 293.6MB). Free memory was 101.8MB in the beginning and 330.7MB in the end (delta: -228.9MB). Peak memory consumption was 274.7MB. Max. memory is 16.1GB. [2025-02-07 23:13:35,648 INFO L158 Benchmark]: TraceAbstraction took 2438.98ms. Allocated memory is still 469.8MB. Free memory was 330.7MB in the beginning and 313.1MB in the end (delta: 17.6MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2025-02-07 23:13:35,648 INFO L158 Benchmark]: Witness Printer took 2.45ms. Allocated memory is still 469.8MB. Free memory was 313.1MB in the beginning and 313.1MB in the end (delta: 60.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 23:13:35,649 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 226.5MB. Free memory is still 140.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 436.31ms. Allocated memory is still 167.8MB. Free memory was 128.2MB in the beginning and 92.8MB in the end (delta: 35.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 222.01ms. Allocated memory is still 167.8MB. Free memory was 92.8MB in the beginning and 43.5MB in the end (delta: 49.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 290.84ms. Allocated memory was 167.8MB in the beginning and 176.2MB in the end (delta: 8.4MB). Free memory was 43.5MB in the beginning and 101.8MB in the end (delta: -58.3MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. * IcfgBuilder took 2806.41ms. Allocated memory was 176.2MB in the beginning and 469.8MB in the end (delta: 293.6MB). Free memory was 101.8MB in the beginning and 330.7MB in the end (delta: -228.9MB). Peak memory consumption was 274.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2438.98ms. Allocated memory is still 469.8MB. Free memory was 330.7MB in the beginning and 313.1MB in the end (delta: 17.6MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * Witness Printer took 2.45ms. Allocated memory is still 469.8MB. Free memory was 313.1MB in the beginning and 313.1MB in the end (delta: 60.5kB). 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 159. 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_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 8); [L30] const SORT_5 msb_SORT_5 = (SORT_5)1 << (8 - 1); [L32] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 32); [L33] const SORT_9 msb_SORT_9 = (SORT_9)1 << (32 - 1); [L35] const SORT_161 mask_SORT_161 = (SORT_161)-1 >> (sizeof(SORT_161) * 8 - 2); [L36] const SORT_161 msb_SORT_161 = (SORT_161)1 << (2 - 1); [L38] const SORT_163 mask_SORT_163 = (SORT_163)-1 >> (sizeof(SORT_163) * 8 - 3); [L39] const SORT_163 msb_SORT_163 = (SORT_163)1 << (3 - 1); [L41] const SORT_165 mask_SORT_165 = (SORT_165)-1 >> (sizeof(SORT_165) * 8 - 4); [L42] const SORT_165 msb_SORT_165 = (SORT_165)1 << (4 - 1); [L44] const SORT_167 mask_SORT_167 = (SORT_167)-1 >> (sizeof(SORT_167) * 8 - 5); [L45] const SORT_167 msb_SORT_167 = (SORT_167)1 << (5 - 1); [L47] const SORT_169 mask_SORT_169 = (SORT_169)-1 >> (sizeof(SORT_169) * 8 - 6); [L48] const SORT_169 msb_SORT_169 = (SORT_169)1 << (6 - 1); [L50] const SORT_171 mask_SORT_171 = (SORT_171)-1 >> (sizeof(SORT_171) * 8 - 7); [L51] const SORT_171 msb_SORT_171 = (SORT_171)1 << (7 - 1); [L53] const SORT_174 mask_SORT_174 = (SORT_174)-1 >> (sizeof(SORT_174) * 8 - 9); [L54] const SORT_174 msb_SORT_174 = (SORT_174)1 << (9 - 1); [L56] const SORT_176 mask_SORT_176 = (SORT_176)-1 >> (sizeof(SORT_176) * 8 - 10); [L57] const SORT_176 msb_SORT_176 = (SORT_176)1 << (10 - 1); [L59] const SORT_178 mask_SORT_178 = (SORT_178)-1 >> (sizeof(SORT_178) * 8 - 11); [L60] const SORT_178 msb_SORT_178 = (SORT_178)1 << (11 - 1); [L62] const SORT_180 mask_SORT_180 = (SORT_180)-1 >> (sizeof(SORT_180) * 8 - 12); [L63] const SORT_180 msb_SORT_180 = (SORT_180)1 << (12 - 1); [L65] const SORT_182 mask_SORT_182 = (SORT_182)-1 >> (sizeof(SORT_182) * 8 - 13); [L66] const SORT_182 msb_SORT_182 = (SORT_182)1 << (13 - 1); [L68] const SORT_184 mask_SORT_184 = (SORT_184)-1 >> (sizeof(SORT_184) * 8 - 14); [L69] const SORT_184 msb_SORT_184 = (SORT_184)1 << (14 - 1); [L71] const SORT_186 mask_SORT_186 = (SORT_186)-1 >> (sizeof(SORT_186) * 8 - 15); [L72] const SORT_186 msb_SORT_186 = (SORT_186)1 << (15 - 1); [L74] const SORT_188 mask_SORT_188 = (SORT_188)-1 >> (sizeof(SORT_188) * 8 - 16); [L75] const SORT_188 msb_SORT_188 = (SORT_188)1 << (16 - 1); [L77] const SORT_190 mask_SORT_190 = (SORT_190)-1 >> (sizeof(SORT_190) * 8 - 17); [L78] const SORT_190 msb_SORT_190 = (SORT_190)1 << (17 - 1); [L80] const SORT_192 mask_SORT_192 = (SORT_192)-1 >> (sizeof(SORT_192) * 8 - 18); [L81] const SORT_192 msb_SORT_192 = (SORT_192)1 << (18 - 1); [L83] const SORT_194 mask_SORT_194 = (SORT_194)-1 >> (sizeof(SORT_194) * 8 - 19); [L84] const SORT_194 msb_SORT_194 = (SORT_194)1 << (19 - 1); [L86] const SORT_196 mask_SORT_196 = (SORT_196)-1 >> (sizeof(SORT_196) * 8 - 20); [L87] const SORT_196 msb_SORT_196 = (SORT_196)1 << (20 - 1); [L89] const SORT_198 mask_SORT_198 = (SORT_198)-1 >> (sizeof(SORT_198) * 8 - 21); [L90] const SORT_198 msb_SORT_198 = (SORT_198)1 << (21 - 1); [L92] const SORT_200 mask_SORT_200 = (SORT_200)-1 >> (sizeof(SORT_200) * 8 - 22); [L93] const SORT_200 msb_SORT_200 = (SORT_200)1 << (22 - 1); [L95] const SORT_202 mask_SORT_202 = (SORT_202)-1 >> (sizeof(SORT_202) * 8 - 23); [L96] const SORT_202 msb_SORT_202 = (SORT_202)1 << (23 - 1); [L98] const SORT_204 mask_SORT_204 = (SORT_204)-1 >> (sizeof(SORT_204) * 8 - 24); [L99] const SORT_204 msb_SORT_204 = (SORT_204)1 << (24 - 1); [L101] const SORT_206 mask_SORT_206 = (SORT_206)-1 >> (sizeof(SORT_206) * 8 - 25); [L102] const SORT_206 msb_SORT_206 = (SORT_206)1 << (25 - 1); [L104] const SORT_208 mask_SORT_208 = (SORT_208)-1 >> (sizeof(SORT_208) * 8 - 26); [L105] const SORT_208 msb_SORT_208 = (SORT_208)1 << (26 - 1); [L107] const SORT_210 mask_SORT_210 = (SORT_210)-1 >> (sizeof(SORT_210) * 8 - 27); [L108] const SORT_210 msb_SORT_210 = (SORT_210)1 << (27 - 1); [L110] const SORT_212 mask_SORT_212 = (SORT_212)-1 >> (sizeof(SORT_212) * 8 - 28); [L111] const SORT_212 msb_SORT_212 = (SORT_212)1 << (28 - 1); [L113] const SORT_214 mask_SORT_214 = (SORT_214)-1 >> (sizeof(SORT_214) * 8 - 29); [L114] const SORT_214 msb_SORT_214 = (SORT_214)1 << (29 - 1); [L116] const SORT_216 mask_SORT_216 = (SORT_216)-1 >> (sizeof(SORT_216) * 8 - 30); [L117] const SORT_216 msb_SORT_216 = (SORT_216)1 << (30 - 1); [L119] const SORT_218 mask_SORT_218 = (SORT_218)-1 >> (sizeof(SORT_218) * 8 - 31); [L120] const SORT_218 msb_SORT_218 = (SORT_218)1 << (31 - 1); [L122] const SORT_9 var_10 = 4294967295; [L123] const SORT_9 var_13 = 2863311530; [L124] const SORT_1 var_17 = 1; [L126] SORT_1 input_2; [L127] SORT_1 input_3; [L128] SORT_1 input_4; [L129] SORT_5 input_6; [L130] SORT_1 input_7; [L131] SORT_1 input_8; [L133] EXPR __VERIFIER_nondet_uint() & mask_SORT_9 VAL [mask_SORT_161=3, mask_SORT_163=7, mask_SORT_165=15, mask_SORT_167=31, mask_SORT_169=63, mask_SORT_171=127, mask_SORT_174=511, mask_SORT_176=1023, mask_SORT_178=2047, mask_SORT_180=4095, mask_SORT_182=8191, mask_SORT_184=16383, mask_SORT_186=32767, mask_SORT_188=65535, mask_SORT_190=131071, mask_SORT_192=262143, mask_SORT_194=524287, mask_SORT_196=1048575, mask_SORT_198=2097151, mask_SORT_1=1, mask_SORT_200=4194303, mask_SORT_202=8388607, mask_SORT_204=16777215, mask_SORT_206=33554431, mask_SORT_208=67108863, mask_SORT_210=134217727, mask_SORT_212=268435455, mask_SORT_214=536870911, mask_SORT_216=1073741823, mask_SORT_218=2147483647, mask_SORT_5=255, mask_SORT_9=-1, var_10=4294967295, var_13=2863311530, var_17=1] [L133] SORT_9 state_11 = __VERIFIER_nondet_uint() & mask_SORT_9; [L135] SORT_9 init_12_arg_1 = var_10; [L136] state_11 = init_12_arg_1 VAL [mask_SORT_161=3, mask_SORT_163=7, mask_SORT_165=15, mask_SORT_167=31, mask_SORT_169=63, mask_SORT_171=127, mask_SORT_174=511, mask_SORT_176=1023, mask_SORT_178=2047, mask_SORT_180=4095, mask_SORT_182=8191, mask_SORT_184=16383, mask_SORT_186=32767, mask_SORT_188=65535, mask_SORT_190=131071, mask_SORT_192=262143, mask_SORT_194=524287, mask_SORT_196=1048575, mask_SORT_198=2097151, mask_SORT_1=1, mask_SORT_200=4194303, mask_SORT_202=8388607, mask_SORT_204=16777215, mask_SORT_206=33554431, mask_SORT_208=67108863, mask_SORT_210=134217727, mask_SORT_212=268435455, mask_SORT_214=536870911, mask_SORT_216=1073741823, mask_SORT_218=2147483647, mask_SORT_5=255, mask_SORT_9=-1, state_11=4294967295, var_10=4294967295, var_13=2863311530, var_17=1] [L139] input_2 = __VERIFIER_nondet_uchar() [L140] input_3 = __VERIFIER_nondet_uchar() [L141] EXPR input_3 & mask_SORT_1 VAL [mask_SORT_161=3, mask_SORT_163=7, mask_SORT_165=15, mask_SORT_167=31, mask_SORT_169=63, mask_SORT_171=127, mask_SORT_174=511, mask_SORT_176=1023, mask_SORT_178=2047, mask_SORT_180=4095, mask_SORT_182=8191, mask_SORT_184=16383, mask_SORT_186=32767, mask_SORT_188=65535, mask_SORT_190=131071, mask_SORT_192=262143, mask_SORT_194=524287, mask_SORT_196=1048575, mask_SORT_198=2097151, mask_SORT_1=1, mask_SORT_200=4194303, mask_SORT_202=8388607, mask_SORT_204=16777215, mask_SORT_206=33554431, mask_SORT_208=67108863, mask_SORT_210=134217727, mask_SORT_212=268435455, mask_SORT_214=536870911, mask_SORT_216=1073741823, mask_SORT_218=2147483647, mask_SORT_5=255, mask_SORT_9=-1, state_11=4294967295, var_10=4294967295, var_13=2863311530, var_17=1] [L141] input_3 = input_3 & mask_SORT_1 [L142] input_4 = __VERIFIER_nondet_uchar() [L143] EXPR input_4 & mask_SORT_1 VAL [input_3=0, mask_SORT_161=3, mask_SORT_163=7, mask_SORT_165=15, mask_SORT_167=31, mask_SORT_169=63, mask_SORT_171=127, mask_SORT_174=511, mask_SORT_176=1023, mask_SORT_178=2047, mask_SORT_180=4095, mask_SORT_182=8191, mask_SORT_184=16383, mask_SORT_186=32767, mask_SORT_188=65535, mask_SORT_190=131071, mask_SORT_192=262143, mask_SORT_194=524287, mask_SORT_196=1048575, mask_SORT_198=2097151, mask_SORT_1=1, mask_SORT_200=4194303, mask_SORT_202=8388607, mask_SORT_204=16777215, mask_SORT_206=33554431, mask_SORT_208=67108863, mask_SORT_210=134217727, mask_SORT_212=268435455, mask_SORT_214=536870911, mask_SORT_216=1073741823, mask_SORT_218=2147483647, mask_SORT_5=255, mask_SORT_9=-1, state_11=4294967295, var_10=4294967295, var_13=2863311530, var_17=1] [L143] input_4 = input_4 & mask_SORT_1 [L144] input_6 = __VERIFIER_nondet_uchar() [L145] EXPR input_6 & mask_SORT_5 VAL [input_3=0, input_4=0, mask_SORT_161=3, mask_SORT_163=7, mask_SORT_165=15, mask_SORT_167=31, mask_SORT_169=63, mask_SORT_171=127, mask_SORT_174=511, mask_SORT_176=1023, mask_SORT_178=2047, mask_SORT_180=4095, mask_SORT_182=8191, mask_SORT_184=16383, mask_SORT_186=32767, mask_SORT_188=65535, mask_SORT_190=131071, mask_SORT_192=262143, mask_SORT_194=524287, mask_SORT_196=1048575, mask_SORT_198=2097151, mask_SORT_1=1, mask_SORT_200=4194303, mask_SORT_202=8388607, mask_SORT_204=16777215, mask_SORT_206=33554431, mask_SORT_208=67108863, mask_SORT_210=134217727, mask_SORT_212=268435455, mask_SORT_214=536870911, mask_SORT_216=1073741823, mask_SORT_218=2147483647, mask_SORT_5=255, mask_SORT_9=-1, state_11=4294967295, var_10=4294967295, var_13=2863311530, var_17=1] [L145] input_6 = input_6 & mask_SORT_5 [L146] input_7 = __VERIFIER_nondet_uchar() [L147] EXPR input_7 & mask_SORT_1 VAL [input_3=0, input_4=0, input_6=0, mask_SORT_161=3, mask_SORT_163=7, mask_SORT_165=15, mask_SORT_167=31, mask_SORT_169=63, mask_SORT_171=127, mask_SORT_174=511, mask_SORT_176=1023, mask_SORT_178=2047, mask_SORT_180=4095, mask_SORT_182=8191, mask_SORT_184=16383, mask_SORT_186=32767, mask_SORT_188=65535, mask_SORT_190=131071, mask_SORT_192=262143, mask_SORT_194=524287, mask_SORT_196=1048575, mask_SORT_198=2097151, mask_SORT_1=1, mask_SORT_200=4194303, mask_SORT_202=8388607, mask_SORT_204=16777215, mask_SORT_206=33554431, mask_SORT_208=67108863, mask_SORT_210=134217727, mask_SORT_212=268435455, mask_SORT_214=536870911, mask_SORT_216=1073741823, mask_SORT_218=2147483647, mask_SORT_5=255, mask_SORT_9=-1, state_11=4294967295, var_10=4294967295, var_13=2863311530, var_17=1] [L147] input_7 = input_7 & mask_SORT_1 [L148] input_8 = __VERIFIER_nondet_uchar() [L149] EXPR input_8 & mask_SORT_1 VAL [input_3=0, input_4=0, input_6=0, input_7=0, mask_SORT_161=3, mask_SORT_163=7, mask_SORT_165=15, mask_SORT_167=31, mask_SORT_169=63, mask_SORT_171=127, mask_SORT_174=511, mask_SORT_176=1023, mask_SORT_178=2047, mask_SORT_180=4095, mask_SORT_182=8191, mask_SORT_184=16383, mask_SORT_186=32767, mask_SORT_188=65535, mask_SORT_190=131071, mask_SORT_192=262143, mask_SORT_194=524287, mask_SORT_196=1048575, mask_SORT_198=2097151, mask_SORT_1=1, mask_SORT_200=4194303, mask_SORT_202=8388607, mask_SORT_204=16777215, mask_SORT_206=33554431, mask_SORT_208=67108863, mask_SORT_210=134217727, mask_SORT_212=268435455, mask_SORT_214=536870911, mask_SORT_216=1073741823, mask_SORT_218=2147483647, mask_SORT_5=255, mask_SORT_9=-1, state_11=4294967295, var_10=4294967295, var_13=2863311530, var_17=1] [L149] input_8 = input_8 & mask_SORT_1 [L152] SORT_9 var_14_arg_0 = state_11; [L153] SORT_9 var_14_arg_1 = var_13; [L154] SORT_1 var_14 = var_14_arg_0 != var_14_arg_1; [L155] SORT_1 var_18_arg_0 = var_14; [L156] SORT_1 var_18 = ~var_18_arg_0; [L157] SORT_1 var_19_arg_0 = var_17; [L158] SORT_1 var_19_arg_1 = var_18; VAL [input_3=0, input_4=0, input_6=0, input_7=0, input_8=0, mask_SORT_161=3, mask_SORT_163=7, mask_SORT_165=15, mask_SORT_167=31, mask_SORT_169=63, mask_SORT_171=127, mask_SORT_174=511, mask_SORT_176=1023, mask_SORT_178=2047, mask_SORT_180=4095, mask_SORT_182=8191, mask_SORT_184=16383, mask_SORT_186=32767, mask_SORT_188=65535, mask_SORT_190=131071, mask_SORT_192=262143, mask_SORT_194=524287, mask_SORT_196=1048575, mask_SORT_198=2097151, mask_SORT_1=1, mask_SORT_200=4194303, mask_SORT_202=8388607, mask_SORT_204=16777215, mask_SORT_206=33554431, mask_SORT_208=67108863, mask_SORT_210=134217727, mask_SORT_212=268435455, mask_SORT_214=536870911, mask_SORT_216=1073741823, mask_SORT_218=2147483647, mask_SORT_5=255, mask_SORT_9=-1, state_11=4294967295, var_10=4294967295, var_13=2863311530, var_17=1, var_19_arg_0=1, var_19_arg_1=-2] [L159] EXPR var_19_arg_0 & var_19_arg_1 VAL [input_3=0, input_4=0, input_6=0, input_7=0, input_8=0, mask_SORT_161=3, mask_SORT_163=7, mask_SORT_165=15, mask_SORT_167=31, mask_SORT_169=63, mask_SORT_171=127, mask_SORT_174=511, mask_SORT_176=1023, mask_SORT_178=2047, mask_SORT_180=4095, mask_SORT_182=8191, mask_SORT_184=16383, mask_SORT_186=32767, mask_SORT_188=65535, mask_SORT_190=131071, mask_SORT_192=262143, mask_SORT_194=524287, mask_SORT_196=1048575, mask_SORT_198=2097151, mask_SORT_1=1, mask_SORT_200=4194303, mask_SORT_202=8388607, mask_SORT_204=16777215, mask_SORT_206=33554431, mask_SORT_208=67108863, mask_SORT_210=134217727, mask_SORT_212=268435455, mask_SORT_214=536870911, mask_SORT_216=1073741823, mask_SORT_218=2147483647, mask_SORT_5=255, mask_SORT_9=-1, state_11=4294967295, var_10=4294967295, var_13=2863311530, var_17=1] [L159] SORT_1 var_19 = var_19_arg_0 & var_19_arg_1; [L160] EXPR var_19 & mask_SORT_1 VAL [input_3=0, input_4=0, input_6=0, input_7=0, input_8=0, mask_SORT_161=3, mask_SORT_163=7, mask_SORT_165=15, mask_SORT_167=31, mask_SORT_169=63, mask_SORT_171=127, mask_SORT_174=511, mask_SORT_176=1023, mask_SORT_178=2047, mask_SORT_180=4095, mask_SORT_182=8191, mask_SORT_184=16383, mask_SORT_186=32767, mask_SORT_188=65535, mask_SORT_190=131071, mask_SORT_192=262143, mask_SORT_194=524287, mask_SORT_196=1048575, mask_SORT_198=2097151, mask_SORT_1=1, mask_SORT_200=4194303, mask_SORT_202=8388607, mask_SORT_204=16777215, mask_SORT_206=33554431, mask_SORT_208=67108863, mask_SORT_210=134217727, mask_SORT_212=268435455, mask_SORT_214=536870911, mask_SORT_216=1073741823, mask_SORT_218=2147483647, mask_SORT_5=255, mask_SORT_9=-1, state_11=4294967295, var_10=4294967295, var_13=2863311530, var_17=1] [L160] var_19 = var_19 & mask_SORT_1 [L161] SORT_1 bad_20_arg_0 = var_19; [L162] CALL __VERIFIER_assert(!(bad_20_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 831 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1282 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1282 mSDsluCounter, 9991 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6655 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1644 IncrementalHoareTripleChecker+Invalid, 1644 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 3336 mSDtfsCounter, 1644 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=833occurred in iteration=2, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 135 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 23:13:35,666 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-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.h_CRC.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 217c4f5eefa3b0856788b7ca9679c9bd3ae2e76dd46c0382e56b3111181a98a9 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 23:13:37,937 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 23:13:38,044 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2025-02-07 23:13:38,048 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 23:13:38,048 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 23:13:38,062 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 23:13:38,062 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 23:13:38,063 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 23:13:38,063 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 23:13:38,063 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 23:13:38,063 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 23:13:38,063 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 23:13:38,063 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 23:13:38,063 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 23:13:38,064 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 23:13:38,064 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 23:13:38,064 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 23:13:38,064 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 23:13:38,064 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 23:13:38,064 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 23:13:38,064 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 23:13:38,064 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-07 23:13:38,064 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-07 23:13:38,064 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-07 23:13:38,064 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 23:13:38,065 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 23:13:38,065 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 23:13:38,065 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 23:13:38,065 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 23:13:38,065 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 23:13:38,065 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 23:13:38,065 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 23:13:38,065 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 23:13:38,065 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 23:13:38,065 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 23:13:38,066 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 23:13:38,066 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-07 23:13:38,066 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-07 23:13:38,066 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 23:13:38,066 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 23:13:38,066 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 23:13:38,066 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 23:13:38,066 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 -> 217c4f5eefa3b0856788b7ca9679c9bd3ae2e76dd46c0382e56b3111181a98a9 [2025-02-07 23:13:38,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 23:13:38,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 23:13:38,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 23:13:38,374 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 23:13:38,374 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 23:13:38,375 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_CRC.c [2025-02-07 23:13:39,607 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/434d1f94f/8c07980b545d4956b38f427411c5f0de/FLAGd1ca51b38 [2025-02-07 23:13:39,903 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 23:13:39,903 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_CRC.c [2025-02-07 23:13:39,922 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/434d1f94f/8c07980b545d4956b38f427411c5f0de/FLAGd1ca51b38 [2025-02-07 23:13:39,937 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/434d1f94f/8c07980b545d4956b38f427411c5f0de [2025-02-07 23:13:39,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 23:13:39,941 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 23:13:39,943 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 23:13:39,943 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 23:13:39,946 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 23:13:39,947 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 11:13:39" (1/1) ... [2025-02-07 23:13:39,948 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@424881e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:13:39, skipping insertion in model container [2025-02-07 23:13:39,949 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 11:13:39" (1/1) ... [2025-02-07 23:13:39,979 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 23:13:40,122 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.h_CRC.c[1245,1258] [2025-02-07 23:13:40,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 23:13:40,336 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 23:13:40,343 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.h_CRC.c[1245,1258] [2025-02-07 23:13:40,416 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 23:13:40,426 INFO L204 MainTranslator]: Completed translation [2025-02-07 23:13:40,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:13:40 WrapperNode [2025-02-07 23:13:40,426 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 23:13:40,427 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 23:13:40,427 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 23:13:40,427 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 23:13:40,431 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:13:40" (1/1) ... [2025-02-07 23:13:40,444 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:13:40" (1/1) ... [2025-02-07 23:13:40,477 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 673 [2025-02-07 23:13:40,477 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 23:13:40,478 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 23:13:40,478 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 23:13:40,478 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 23:13:40,492 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:13:40" (1/1) ... [2025-02-07 23:13:40,492 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:13:40" (1/1) ... [2025-02-07 23:13:40,503 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:13:40" (1/1) ... [2025-02-07 23:13:40,557 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2025-02-07 23:13:40,557 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:13:40" (1/1) ... [2025-02-07 23:13:40,557 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:13:40" (1/1) ... [2025-02-07 23:13:40,571 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:13:40" (1/1) ... [2025-02-07 23:13:40,572 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:13:40" (1/1) ... [2025-02-07 23:13:40,574 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:13:40" (1/1) ... [2025-02-07 23:13:40,576 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:13:40" (1/1) ... [2025-02-07 23:13:40,579 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 23:13:40,579 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 23:13:40,580 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 23:13:40,580 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 23:13:40,580 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:13:40" (1/1) ... [2025-02-07 23:13:40,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 23:13:40,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 23:13:40,613 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 23:13:40,616 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 23:13:40,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 23:13:40,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-07 23:13:40,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-07 23:13:40,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 23:13:40,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 23:13:40,806 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 23:13:40,807 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 23:13:41,361 INFO L? ?]: Removed 50 outVars from TransFormulas that were not future-live. [2025-02-07 23:13:41,361 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 23:13:41,366 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 23:13:41,367 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 23:13:41,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 11:13:41 BoogieIcfgContainer [2025-02-07 23:13:41,367 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 23:13:41,369 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 23:13:41,369 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 23:13:41,372 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 23:13:41,372 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 11:13:39" (1/3) ... [2025-02-07 23:13:41,372 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5773b9a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 11:13:41, skipping insertion in model container [2025-02-07 23:13:41,372 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 11:13:40" (2/3) ... [2025-02-07 23:13:41,373 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5773b9a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 11:13:41, skipping insertion in model container [2025-02-07 23:13:41,373 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 11:13:41" (3/3) ... [2025-02-07 23:13:41,373 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_CRC.c [2025-02-07 23:13:41,383 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 23:13:41,384 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.h_CRC.c that has 1 procedures, 8 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-07 23:13:41,413 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 23:13:41,421 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;@4dc13c4f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 23:13:41,421 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 23:13:41,423 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 23:13:41,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-07 23:13:41,427 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 23:13:41,427 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-07 23:13:41,427 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 23:13:41,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 23:13:41,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1137951, now seen corresponding path program 1 times [2025-02-07 23:13:41,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-07 23:13:41,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2146190404] [2025-02-07 23:13:41,439 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 23:13:41,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-07 23:13:41,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 23:13:41,441 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 23:13:41,444 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 23:13:41,613 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-07 23:13:41,632 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-07 23:13:41,632 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 23:13:41,632 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 23:13:41,638 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-07 23:13:41,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-07 23:13:41,744 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 23:13:41,744 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-07 23:13:41,745 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-07 23:13:41,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2146190404] [2025-02-07 23:13:41,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2146190404] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 23:13:41,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 23:13:41,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-07 23:13:41,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651418679] [2025-02-07 23:13:41,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 23:13:41,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-07 23:13:41,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-07 23:13:41,761 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-07 23:13:41,762 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-07 23:13:41,763 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 23:13:41,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 23:13:41,819 INFO L93 Difference]: Finished difference Result 16 states and 21 transitions. [2025-02-07 23:13:41,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-07 23:13:41,821 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 23:13:41,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 23:13:41,827 INFO L225 Difference]: With dead ends: 16 [2025-02-07 23:13:41,827 INFO L226 Difference]: Without dead ends: 9 [2025-02-07 23:13:41,829 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 23:13:41,830 INFO L435 NwaCegarLoop]: 3 mSDtfsCounter, 2 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2025-02-07 23:13:41,833 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 8 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-07 23:13:41,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2025-02-07 23:13:41,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2025-02-07 23:13:41,850 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 23:13:41,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2025-02-07 23:13:41,854 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2025-02-07 23:13:41,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 23:13:41,854 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2025-02-07 23:13:41,854 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 23:13:41,855 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2025-02-07 23:13:41,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-02-07 23:13:41,855 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 23:13:41,855 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2025-02-07 23:13:41,863 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 23:13:42,056 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 23:13:42,057 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 23:13:42,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 23:13:42,058 INFO L85 PathProgramCache]: Analyzing trace with hash -458170295, now seen corresponding path program 1 times [2025-02-07 23:13:42,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-07 23:13:42,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1328934030] [2025-02-07 23:13:42,059 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 23:13:42,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-07 23:13:42,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 23:13:42,063 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 23:13:42,065 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 23:13:42,230 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-07 23:13:42,264 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-07 23:13:42,265 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 23:13:42,265 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 23:13:42,269 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 38 conjuncts are in the unsatisfiable core [2025-02-07 23:13:42,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-07 23:13:43,516 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 23:13:43,516 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-07 23:13:54,894 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse5 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv20 32))))) (.cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv17 32))))) (.cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv16 32))))) (.cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv10 32))))) (.cse12 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv8 32))))) (.cse15 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv6 32))))) (.cse17 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv4 32))))) (.cse19 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv2 32))))) (.cse23 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse28 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_main_~state_11~0#1|))) (.cse29 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv1 32))))) (.cse30 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv3 32))))) (.cse31 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv5 32))))) (.cse32 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv7 32))))) (.cse33 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv9 32))))) (.cse34 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv11 32))))) (.cse35 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv12 32))))) (.cse36 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv13 32))))) (.cse37 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv14 32))))) (.cse38 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv15 32))))) (.cse40 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv18 32))))) (.cse42 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv19 32))))) (.cse43 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv21 32))))) (.cse44 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv22 32))))) (.cse45 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv23 32))))) (.cse46 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv24 32))))) (.cse47 (= |c_ULTIMATE.start_main_~var_13~0#1| (bvand |c_ULTIMATE.start_main_~state_11~0#1| |c_ULTIMATE.start_main_~mask_SORT_9~0#1|))) (.cse0 (bvshl |c_ULTIMATE.start_main_~state_11~0#1| (_ bv8 32))) (.cse1 (= (bvand |c_ULTIMATE.start_main_~var_10~0#1| |c_ULTIMATE.start_main_~mask_SORT_9~0#1|) |c_ULTIMATE.start_main_~var_13~0#1|))) (and (or (and (forall ((|ULTIMATE.start_main_~input_6~0#1| (_ BitVec 8))) (not (= |c_ULTIMATE.start_main_~var_13~0#1| (bvand (bvor ((_ zero_extend 24) |ULTIMATE.start_main_~input_6~0#1|) .cse0) |c_ULTIMATE.start_main_~mask_SORT_9~0#1|)))) (not .cse1) (forall ((|ULTIMATE.start_main_~mask_SORT_165~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_186~0#1| (_ BitVec 16)) (|ULTIMATE.start_main_~mask_SORT_176~0#1| (_ BitVec 16)) (|ULTIMATE.start_main_~mask_SORT_178~0#1| (_ BitVec 16)) (|ULTIMATE.start_main_~mask_SORT_171~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_6~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_184~0#1| (_ BitVec 16)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_188~0#1| (_ BitVec 16)) (|ULTIMATE.start_main_~mask_SORT_174~0#1| (_ BitVec 16)) (|ULTIMATE.start_main_~mask_SORT_161~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_163~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_180~0#1| (_ BitVec 16)) (|ULTIMATE.start_main_~mask_SORT_169~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_182~0#1| (_ BitVec 16)) (|ULTIMATE.start_main_~mask_SORT_167~0#1| (_ BitVec 8))) (not (= (bvand (let ((.cse41 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse46 ((_ zero_extend 24) |ULTIMATE.start_main_~input_6~0#1|)))))) (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse41 (_ bv5 32)))))) (bvor (bvand |c_ULTIMATE.start_main_~mask_SORT_218~0#1| (let ((.cse13 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse41 (_ bv4 32))))) (.cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse41 (_ bv7 32)))))) (bvor (bvand (let ((.cse20 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse41 (_ bv3 32))))) (.cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse41 (_ bv6 32)))))) (bvor (bvand |c_ULTIMATE.start_main_~mask_SORT_214~0#1| (let ((.cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse41 (_ bv2 32)))))) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse2 .cse3))) .cse4))) .cse5))) (_ bv28 32)) (bvand (let ((.cse25 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse41 (_ bv1 32)))))) (let ((.cse39 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse25 .cse10))))) (bvor (bvand |c_ULTIMATE.start_main_~mask_SORT_210~0#1| (let ((.cse14 ((_ zero_extend 24) ((_ extract 7 0) .cse41)))) (let ((.cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse4 .cse14))))) (bvor (bvand (let ((.cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse20 .cse2))))) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse6 .cse7))) (_ bv25 32)) (bvand |c_ULTIMATE.start_main_~mask_SORT_206~0#1| (let ((.cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse2 .cse39))))) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse8 .cse9))) (_ bv24 32)) (bvand (let ((.cse16 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse24 .cse25))))) (bvor (bvand (bvor (bvand |c_ULTIMATE.start_main_~mask_SORT_200~0#1| (bvor (bvand (bvor (bvand (bvor (bvand (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse2 .cse4))) .cse10))) .cse11))) (_ bv18 32)) (bvand (bvor (bvand |c_ULTIMATE.start_main_~mask_SORT_190~0#1| (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse12 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse13 .cse14))) .cse3)))))) (_ bv16 32)) ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) |ULTIMATE.start_main_~mask_SORT_188~0#1|) ((_ zero_extend 16) ((_ extract 15 0) (bvor ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) |ULTIMATE.start_main_~mask_SORT_186~0#1|) ((_ zero_extend 16) ((_ extract 15 0) (bvor (bvshl ((_ zero_extend 16) ((_ zero_extend 8) ((_ extract 7 0) (bvxor .cse15 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse13 .cse7))) .cse4))) .cse10))))))) (_ bv14 32)) ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) |ULTIMATE.start_main_~mask_SORT_184~0#1|) ((_ zero_extend 16) ((_ extract 15 0) (let ((.cse21 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse8 .cse20))))) (bvor ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) ((_ extract 15 0) (bvor (bvshl ((_ zero_extend 16) ((_ zero_extend 8) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse13 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse2 .cse16)))))) .cse3))) .cse17)))) (_ bv12 32)) ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) ((_ extract 15 0) (let ((.cse27 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse13 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse20 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse25 .cse14))))))))))) (bvor ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) ((_ extract 15 0) (let ((.cse18 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse2 .cse14))) .cse20))) .cse3))))) (bvor (bvshl ((_ zero_extend 16) ((_ zero_extend 8) ((_ extract 7 0) (bvxor .cse18 .cse19)))) (_ bv10 32)) ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) ((_ extract 15 0) (let ((.cse26 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse25 .cse2))) .cse13)))))))) (bvor ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) ((_ extract 15 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_171~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_169~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_167~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse13 .cse4))) .cse20)))))) .cse14))) (_ bv4 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl .cse21 (_ bv3 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse24 .cse10))) .cse25))))) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse2 .cse22))) (_ bv2 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl .cse22 (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse23 .cse24)))))) ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_161~0#1|)))))))) ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_163~0#1|))))))) ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_165~0#1|)))))))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse25 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse20 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse13 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse4 .cse10))) .cse3)))))))))))) .cse14))) (_ bv5 32)))))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse4 .cse26))) .cse10))) (_ bv6 32)))))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse18 .cse10))) (_ bv7 32))))) ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvshl ((_ zero_extend 16) ((_ zero_extend 8) ((_ extract 7 0) (bvxor .cse27 .cse28)))) (_ bv8 32))))) ((_ zero_extend 16) |ULTIMATE.start_main_~mask_SORT_174~0#1|)))) (bvshl ((_ zero_extend 16) ((_ zero_extend 8) ((_ extract 7 0) (bvxor .cse29 .cse26)))) (_ bv9 32)))))) ((_ zero_extend 16) |ULTIMATE.start_main_~mask_SORT_176~0#1|)))))))) ((_ zero_extend 16) |ULTIMATE.start_main_~mask_SORT_178~0#1|)))) (bvshl ((_ zero_extend 16) ((_ zero_extend 8) ((_ extract 7 0) (bvxor .cse27 .cse30)))) (_ bv11 32)))))) ((_ zero_extend 16) |ULTIMATE.start_main_~mask_SORT_180~0#1|))))))) ((_ zero_extend 16) |ULTIMATE.start_main_~mask_SORT_182~0#1|)))) (bvshl ((_ zero_extend 16) ((_ zero_extend 8) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse21 .cse3))) .cse4))) .cse31)))) (_ bv13 32))))))))))))))) (bvshl ((_ zero_extend 16) ((_ zero_extend 8) ((_ extract 7 0) (bvxor .cse32 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse20 .cse13))) .cse3)))))))))) (_ bv15 32)))))))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse25 .cse3))) .cse4))) .cse33))) (_ bv17 32))) |c_ULTIMATE.start_main_~mask_SORT_192~0#1|)) |c_ULTIMATE.start_main_~mask_SORT_194~0#1|) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse20 .cse10))) .cse34))) (_ bv19 32))) |c_ULTIMATE.start_main_~mask_SORT_196~0#1|) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse13 .cse35))) (_ bv20 32))) |c_ULTIMATE.start_main_~mask_SORT_198~0#1|) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse36 .cse3))) (_ bv21 32)))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse37 .cse14))) (_ bv22 32))) |c_ULTIMATE.start_main_~mask_SORT_202~0#1|) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse38 .cse16))) (_ bv23 32)))) |c_ULTIMATE.start_main_~mask_SORT_204~0#1|)))))) |c_ULTIMATE.start_main_~mask_SORT_208~0#1|) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse40 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse20 .cse24))) .cse13)))))) (_ bv26 32)))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse13 .cse39))) .cse3))) .cse42))) (_ bv27 32))))) |c_ULTIMATE.start_main_~mask_SORT_212~0#1|)))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse43 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse20 .cse4))) .cse10)))))) (_ bv29 32)))) |c_ULTIMATE.start_main_~mask_SORT_216~0#1|) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse44 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse13 .cse10)))))) (_ bv30 32))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse45 .cse3))) (_ bv31 32))))) |c_ULTIMATE.start_main_~mask_SORT_9~0#1|) |c_ULTIMATE.start_main_~var_13~0#1|))) (not .cse47)) (forall ((|v_ULTIMATE.start_main_~var_19_arg_0~0#1_10| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_19_arg_0~0#1_10|)))) .cse23)) (_ bv0 8)))) (or (forall ((|v_ULTIMATE.start_main_~var_19_arg_0~0#1_10| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv254 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_19_arg_0~0#1_10|)))) .cse23)))) (and (forall ((|ULTIMATE.start_main_~mask_SORT_165~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_186~0#1| (_ BitVec 16)) (|ULTIMATE.start_main_~mask_SORT_176~0#1| (_ BitVec 16)) (|ULTIMATE.start_main_~mask_SORT_178~0#1| (_ BitVec 16)) (|ULTIMATE.start_main_~mask_SORT_171~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_6~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_184~0#1| (_ BitVec 16)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_188~0#1| (_ BitVec 16)) (|ULTIMATE.start_main_~mask_SORT_174~0#1| (_ BitVec 16)) (|ULTIMATE.start_main_~mask_SORT_161~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_163~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_180~0#1| (_ BitVec 16)) (|ULTIMATE.start_main_~mask_SORT_169~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_182~0#1| (_ BitVec 16)) (|ULTIMATE.start_main_~mask_SORT_167~0#1| (_ BitVec 8))) (= (bvand (let ((.cse66 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse46 ((_ zero_extend 24) |ULTIMATE.start_main_~input_6~0#1|)))))) (let ((.cse49 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse66 (_ bv5 32)))))) (bvor (bvand |c_ULTIMATE.start_main_~mask_SORT_218~0#1| (let ((.cse54 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse66 (_ bv4 32))))) (.cse53 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse66 (_ bv7 32)))))) (bvor (bvand (let ((.cse58 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse66 (_ bv3 32))))) (.cse50 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse66 (_ bv6 32)))))) (bvor (bvand |c_ULTIMATE.start_main_~mask_SORT_214~0#1| (let ((.cse48 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse66 (_ bv2 32)))))) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse48 .cse49))) .cse50))) .cse5))) (_ bv28 32)) (bvand (let ((.cse62 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse66 (_ bv1 32)))))) (let ((.cse65 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse62 .cse53))))) (bvor (bvand |c_ULTIMATE.start_main_~mask_SORT_210~0#1| (let ((.cse55 ((_ zero_extend 24) ((_ extract 7 0) .cse66)))) (let ((.cse61 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse50 .cse55))))) (bvor (bvand (let ((.cse51 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse58 .cse48))))) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse6 .cse51))) (_ bv25 32)) (bvand |c_ULTIMATE.start_main_~mask_SORT_206~0#1| (let ((.cse52 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse48 .cse65))))) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse52 .cse9))) (_ bv24 32)) (bvand (let ((.cse56 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse61 .cse62))))) (bvor (bvand (bvor (bvand |c_ULTIMATE.start_main_~mask_SORT_200~0#1| (bvor (bvand (bvor (bvand (bvor (bvand (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse48 .cse50))) .cse53))) .cse11))) (_ bv18 32)) (bvand (bvor (bvand |c_ULTIMATE.start_main_~mask_SORT_190~0#1| (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse12 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse54 .cse55))) .cse49)))))) (_ bv16 32)) ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) |ULTIMATE.start_main_~mask_SORT_188~0#1|) ((_ zero_extend 16) ((_ extract 15 0) (bvor ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) |ULTIMATE.start_main_~mask_SORT_186~0#1|) ((_ zero_extend 16) ((_ extract 15 0) (bvor (bvshl ((_ zero_extend 16) ((_ zero_extend 8) ((_ extract 7 0) (bvxor .cse15 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse54 .cse51))) .cse50))) .cse53))))))) (_ bv14 32)) ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) |ULTIMATE.start_main_~mask_SORT_184~0#1|) ((_ zero_extend 16) ((_ extract 15 0) (let ((.cse59 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse52 .cse58))))) (bvor ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) ((_ extract 15 0) (bvor (bvshl ((_ zero_extend 16) ((_ zero_extend 8) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse54 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse48 .cse56)))))) .cse49))) .cse17)))) (_ bv12 32)) ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) ((_ extract 15 0) (let ((.cse64 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse54 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse58 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse62 .cse55))))))))))) (bvor ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) ((_ extract 15 0) (let ((.cse57 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse48 .cse55))) .cse58))) .cse49))))) (bvor (bvshl ((_ zero_extend 16) ((_ zero_extend 8) ((_ extract 7 0) (bvxor .cse57 .cse19)))) (_ bv10 32)) ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) ((_ extract 15 0) (let ((.cse63 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse49 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse62 .cse48))) .cse54)))))))) (bvor ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) ((_ extract 15 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_171~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_169~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_167~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse48 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse54 .cse50))) .cse58)))))) .cse55))) (_ bv4 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl .cse59 (_ bv3 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse60 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse61 .cse53))) .cse62))))) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse48 .cse60))) (_ bv2 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl .cse60 (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse23 .cse61)))))) ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_161~0#1|)))))))) ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_163~0#1|))))))) ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_165~0#1|)))))))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse62 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse58 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse54 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse50 .cse53))) .cse49)))))))))))) .cse55))) (_ bv5 32)))))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse50 .cse63))) .cse53))) (_ bv6 32)))))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse57 .cse53))) (_ bv7 32))))) ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvshl ((_ zero_extend 16) ((_ zero_extend 8) ((_ extract 7 0) (bvxor .cse64 .cse28)))) (_ bv8 32))))) ((_ zero_extend 16) |ULTIMATE.start_main_~mask_SORT_174~0#1|)))) (bvshl ((_ zero_extend 16) ((_ zero_extend 8) ((_ extract 7 0) (bvxor .cse29 .cse63)))) (_ bv9 32)))))) ((_ zero_extend 16) |ULTIMATE.start_main_~mask_SORT_176~0#1|)))))))) ((_ zero_extend 16) |ULTIMATE.start_main_~mask_SORT_178~0#1|)))) (bvshl ((_ zero_extend 16) ((_ zero_extend 8) ((_ extract 7 0) (bvxor .cse64 .cse30)))) (_ bv11 32)))))) ((_ zero_extend 16) |ULTIMATE.start_main_~mask_SORT_180~0#1|))))))) ((_ zero_extend 16) |ULTIMATE.start_main_~mask_SORT_182~0#1|)))) (bvshl ((_ zero_extend 16) ((_ zero_extend 8) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse59 .cse49))) .cse50))) .cse31)))) (_ bv13 32))))))))))))))) (bvshl ((_ zero_extend 16) ((_ zero_extend 8) ((_ extract 7 0) (bvxor .cse32 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse53 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse58 .cse54))) .cse49)))))))))) (_ bv15 32)))))))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse62 .cse49))) .cse50))) .cse33))) (_ bv17 32))) |c_ULTIMATE.start_main_~mask_SORT_192~0#1|)) |c_ULTIMATE.start_main_~mask_SORT_194~0#1|) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse58 .cse53))) .cse34))) (_ bv19 32))) |c_ULTIMATE.start_main_~mask_SORT_196~0#1|) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse54 .cse35))) (_ bv20 32))) |c_ULTIMATE.start_main_~mask_SORT_198~0#1|) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse36 .cse49))) (_ bv21 32)))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse37 .cse55))) (_ bv22 32))) |c_ULTIMATE.start_main_~mask_SORT_202~0#1|) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse38 .cse56))) (_ bv23 32)))) |c_ULTIMATE.start_main_~mask_SORT_204~0#1|)))))) |c_ULTIMATE.start_main_~mask_SORT_208~0#1|) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse40 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse58 .cse61))) .cse54)))))) (_ bv26 32)))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse54 .cse65))) .cse49))) .cse42))) (_ bv27 32))))) |c_ULTIMATE.start_main_~mask_SORT_212~0#1|)))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse43 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse58 .cse50))) .cse53)))))) (_ bv29 32)))) |c_ULTIMATE.start_main_~mask_SORT_216~0#1|) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse44 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse54 .cse53)))))) (_ bv30 32))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse45 .cse49))) (_ bv31 32))))) |c_ULTIMATE.start_main_~mask_SORT_9~0#1|) |c_ULTIMATE.start_main_~var_13~0#1|)) .cse47 (forall ((|ULTIMATE.start_main_~input_6~0#1| (_ BitVec 8))) (= |c_ULTIMATE.start_main_~var_13~0#1| (bvand (bvor ((_ zero_extend 24) |ULTIMATE.start_main_~input_6~0#1|) .cse0) |c_ULTIMATE.start_main_~mask_SORT_9~0#1|))) .cse1)))) is different from false [2025-02-07 23:13:55,983 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2025-02-07 23:13:55,983 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-07 23:13:55,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1328934030] [2025-02-07 23:13:55,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1328934030] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-07 23:13:55,984 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-07 23:13:55,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-02-07 23:13:55,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919365868] [2025-02-07 23:13:55,984 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-07 23:13:55,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-07 23:13:55,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-07 23:13:55,985 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-07 23:13:55,985 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=49, Unknown=1, NotChecked=14, Total=90 [2025-02-07 23:13:55,986 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 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 23:14:04,702 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse5 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv20 32))))) (.cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv17 32))))) (.cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv16 32))))) (.cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv10 32))))) (.cse12 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv8 32))))) (.cse15 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv6 32))))) (.cse17 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv4 32))))) (.cse19 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv2 32))))) (.cse23 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse28 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_main_~state_11~0#1|))) (.cse29 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv1 32))))) (.cse30 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv3 32))))) (.cse31 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv5 32))))) (.cse32 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv7 32))))) (.cse33 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv9 32))))) (.cse34 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv11 32))))) (.cse35 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv12 32))))) (.cse36 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv13 32))))) (.cse37 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv14 32))))) (.cse38 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv15 32))))) (.cse40 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv18 32))))) (.cse42 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv19 32))))) (.cse43 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv21 32))))) (.cse44 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv22 32))))) (.cse45 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv23 32))))) (.cse46 ((_ zero_extend 24) ((_ extract 7 0) (bvlshr |c_ULTIMATE.start_main_~state_11~0#1| (_ bv24 32))))) (.cse47 (= |c_ULTIMATE.start_main_~var_13~0#1| (bvand |c_ULTIMATE.start_main_~state_11~0#1| |c_ULTIMATE.start_main_~mask_SORT_9~0#1|))) (.cse0 (bvshl |c_ULTIMATE.start_main_~state_11~0#1| (_ bv8 32))) (.cse1 (= (bvand |c_ULTIMATE.start_main_~var_10~0#1| |c_ULTIMATE.start_main_~mask_SORT_9~0#1|) |c_ULTIMATE.start_main_~var_13~0#1|))) (and (= |c_ULTIMATE.start_main_~mask_SORT_1~0#1| (_ bv1 8)) (= (_ bv131071 32) |c_ULTIMATE.start_main_~mask_SORT_190~0#1|) (= (_ bv0 32) (bvadd |c_ULTIMATE.start_main_~var_13~0#1| (_ bv1431655766 32))) (= (_ bv536870911 32) |c_ULTIMATE.start_main_~mask_SORT_214~0#1|) (= (_ bv0 32) (bvadd (_ bv1 32) |c_ULTIMATE.start_main_~mask_SORT_9~0#1|)) (= (_ bv524287 32) |c_ULTIMATE.start_main_~mask_SORT_194~0#1|) (= (_ bv67108863 32) |c_ULTIMATE.start_main_~mask_SORT_208~0#1|) (= (_ bv262143 32) |c_ULTIMATE.start_main_~mask_SORT_192~0#1|) (= (_ bv268435455 32) |c_ULTIMATE.start_main_~mask_SORT_212~0#1|) (= (_ bv2097151 32) |c_ULTIMATE.start_main_~mask_SORT_198~0#1|) (= (_ bv134217727 32) |c_ULTIMATE.start_main_~mask_SORT_210~0#1|) (= (_ bv0 32) (bvadd (_ bv1 32) |c_ULTIMATE.start_main_~var_10~0#1|)) (= (_ bv16777215 32) |c_ULTIMATE.start_main_~mask_SORT_204~0#1|) (= (_ bv33554431 32) |c_ULTIMATE.start_main_~mask_SORT_206~0#1|) (= (bvadd |c_ULTIMATE.start_main_~state_11~0#1| (_ bv1 32)) (_ bv0 32)) (= (_ bv1073741823 32) |c_ULTIMATE.start_main_~mask_SORT_216~0#1|) (= (_ bv8388607 32) |c_ULTIMATE.start_main_~mask_SORT_202~0#1|) (= |c_ULTIMATE.start_main_~mask_SORT_218~0#1| (_ bv2147483647 32)) (= |c_ULTIMATE.start_main_~mask_SORT_200~0#1| (_ bv4194303 32)) (or (and (forall ((|ULTIMATE.start_main_~input_6~0#1| (_ BitVec 8))) (not (= |c_ULTIMATE.start_main_~var_13~0#1| (bvand (bvor ((_ zero_extend 24) |ULTIMATE.start_main_~input_6~0#1|) .cse0) |c_ULTIMATE.start_main_~mask_SORT_9~0#1|)))) (not .cse1) (forall ((|ULTIMATE.start_main_~mask_SORT_165~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_186~0#1| (_ BitVec 16)) (|ULTIMATE.start_main_~mask_SORT_176~0#1| (_ BitVec 16)) (|ULTIMATE.start_main_~mask_SORT_178~0#1| (_ BitVec 16)) (|ULTIMATE.start_main_~mask_SORT_171~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_6~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_184~0#1| (_ BitVec 16)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_188~0#1| (_ BitVec 16)) (|ULTIMATE.start_main_~mask_SORT_174~0#1| (_ BitVec 16)) (|ULTIMATE.start_main_~mask_SORT_161~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_163~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_180~0#1| (_ BitVec 16)) (|ULTIMATE.start_main_~mask_SORT_169~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_182~0#1| (_ BitVec 16)) (|ULTIMATE.start_main_~mask_SORT_167~0#1| (_ BitVec 8))) (not (= (bvand (let ((.cse41 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse46 ((_ zero_extend 24) |ULTIMATE.start_main_~input_6~0#1|)))))) (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse41 (_ bv5 32)))))) (bvor (bvand |c_ULTIMATE.start_main_~mask_SORT_218~0#1| (let ((.cse13 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse41 (_ bv4 32))))) (.cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse41 (_ bv7 32)))))) (bvor (bvand (let ((.cse20 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse41 (_ bv3 32))))) (.cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse41 (_ bv6 32)))))) (bvor (bvand |c_ULTIMATE.start_main_~mask_SORT_214~0#1| (let ((.cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse41 (_ bv2 32)))))) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse2 .cse3))) .cse4))) .cse5))) (_ bv28 32)) (bvand (let ((.cse25 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse41 (_ bv1 32)))))) (let ((.cse39 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse25 .cse10))))) (bvor (bvand |c_ULTIMATE.start_main_~mask_SORT_210~0#1| (let ((.cse14 ((_ zero_extend 24) ((_ extract 7 0) .cse41)))) (let ((.cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse4 .cse14))))) (bvor (bvand (let ((.cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse20 .cse2))))) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse6 .cse7))) (_ bv25 32)) (bvand |c_ULTIMATE.start_main_~mask_SORT_206~0#1| (let ((.cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse2 .cse39))))) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse8 .cse9))) (_ bv24 32)) (bvand (let ((.cse16 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse24 .cse25))))) (bvor (bvand (bvor (bvand |c_ULTIMATE.start_main_~mask_SORT_200~0#1| (bvor (bvand (bvor (bvand (bvor (bvand (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse2 .cse4))) .cse10))) .cse11))) (_ bv18 32)) (bvand (bvor (bvand |c_ULTIMATE.start_main_~mask_SORT_190~0#1| (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse12 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse13 .cse14))) .cse3)))))) (_ bv16 32)) ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) |ULTIMATE.start_main_~mask_SORT_188~0#1|) ((_ zero_extend 16) ((_ extract 15 0) (bvor ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) |ULTIMATE.start_main_~mask_SORT_186~0#1|) ((_ zero_extend 16) ((_ extract 15 0) (bvor (bvshl ((_ zero_extend 16) ((_ zero_extend 8) ((_ extract 7 0) (bvxor .cse15 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse13 .cse7))) .cse4))) .cse10))))))) (_ bv14 32)) ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) |ULTIMATE.start_main_~mask_SORT_184~0#1|) ((_ zero_extend 16) ((_ extract 15 0) (let ((.cse21 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse8 .cse20))))) (bvor ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) ((_ extract 15 0) (bvor (bvshl ((_ zero_extend 16) ((_ zero_extend 8) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse13 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse2 .cse16)))))) .cse3))) .cse17)))) (_ bv12 32)) ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) ((_ extract 15 0) (let ((.cse27 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse13 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse20 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse25 .cse14))))))))))) (bvor ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) ((_ extract 15 0) (let ((.cse18 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse2 .cse14))) .cse20))) .cse3))))) (bvor (bvshl ((_ zero_extend 16) ((_ zero_extend 8) ((_ extract 7 0) (bvxor .cse18 .cse19)))) (_ bv10 32)) ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) ((_ extract 15 0) (let ((.cse26 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse25 .cse2))) .cse13)))))))) (bvor ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) ((_ extract 15 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_171~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_169~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_167~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse13 .cse4))) .cse20)))))) .cse14))) (_ bv4 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl .cse21 (_ bv3 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse24 .cse10))) .cse25))))) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse2 .cse22))) (_ bv2 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl .cse22 (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse23 .cse24)))))) ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_161~0#1|)))))))) ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_163~0#1|))))))) ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_165~0#1|)))))))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse25 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse20 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse13 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse4 .cse10))) .cse3)))))))))))) .cse14))) (_ bv5 32)))))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse4 .cse26))) .cse10))) (_ bv6 32)))))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse18 .cse10))) (_ bv7 32))))) ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvshl ((_ zero_extend 16) ((_ zero_extend 8) ((_ extract 7 0) (bvxor .cse27 .cse28)))) (_ bv8 32))))) ((_ zero_extend 16) |ULTIMATE.start_main_~mask_SORT_174~0#1|)))) (bvshl ((_ zero_extend 16) ((_ zero_extend 8) ((_ extract 7 0) (bvxor .cse29 .cse26)))) (_ bv9 32)))))) ((_ zero_extend 16) |ULTIMATE.start_main_~mask_SORT_176~0#1|)))))))) ((_ zero_extend 16) |ULTIMATE.start_main_~mask_SORT_178~0#1|)))) (bvshl ((_ zero_extend 16) ((_ zero_extend 8) ((_ extract 7 0) (bvxor .cse27 .cse30)))) (_ bv11 32)))))) ((_ zero_extend 16) |ULTIMATE.start_main_~mask_SORT_180~0#1|))))))) ((_ zero_extend 16) |ULTIMATE.start_main_~mask_SORT_182~0#1|)))) (bvshl ((_ zero_extend 16) ((_ zero_extend 8) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse21 .cse3))) .cse4))) .cse31)))) (_ bv13 32))))))))))))))) (bvshl ((_ zero_extend 16) ((_ zero_extend 8) ((_ extract 7 0) (bvxor .cse32 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse20 .cse13))) .cse3)))))))))) (_ bv15 32)))))))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse25 .cse3))) .cse4))) .cse33))) (_ bv17 32))) |c_ULTIMATE.start_main_~mask_SORT_192~0#1|)) |c_ULTIMATE.start_main_~mask_SORT_194~0#1|) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse20 .cse10))) .cse34))) (_ bv19 32))) |c_ULTIMATE.start_main_~mask_SORT_196~0#1|) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse13 .cse35))) (_ bv20 32))) |c_ULTIMATE.start_main_~mask_SORT_198~0#1|) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse36 .cse3))) (_ bv21 32)))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse37 .cse14))) (_ bv22 32))) |c_ULTIMATE.start_main_~mask_SORT_202~0#1|) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse38 .cse16))) (_ bv23 32)))) |c_ULTIMATE.start_main_~mask_SORT_204~0#1|)))))) |c_ULTIMATE.start_main_~mask_SORT_208~0#1|) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse40 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse20 .cse24))) .cse13)))))) (_ bv26 32)))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse13 .cse39))) .cse3))) .cse42))) (_ bv27 32))))) |c_ULTIMATE.start_main_~mask_SORT_212~0#1|)))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse43 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse20 .cse4))) .cse10)))))) (_ bv29 32)))) |c_ULTIMATE.start_main_~mask_SORT_216~0#1|) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse44 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse13 .cse10)))))) (_ bv30 32))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse45 .cse3))) (_ bv31 32))))) |c_ULTIMATE.start_main_~mask_SORT_9~0#1|) |c_ULTIMATE.start_main_~var_13~0#1|))) (not .cse47)) (forall ((|v_ULTIMATE.start_main_~var_19_arg_0~0#1_10| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_19_arg_0~0#1_10|)))) .cse23)) (_ bv0 8)))) (= (_ bv1048575 32) |c_ULTIMATE.start_main_~mask_SORT_196~0#1|) (or (forall ((|v_ULTIMATE.start_main_~var_19_arg_0~0#1_10| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv254 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_19_arg_0~0#1_10|)))) .cse23)))) (and (forall ((|ULTIMATE.start_main_~mask_SORT_165~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_186~0#1| (_ BitVec 16)) (|ULTIMATE.start_main_~mask_SORT_176~0#1| (_ BitVec 16)) (|ULTIMATE.start_main_~mask_SORT_178~0#1| (_ BitVec 16)) (|ULTIMATE.start_main_~mask_SORT_171~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_6~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_184~0#1| (_ BitVec 16)) (|ULTIMATE.start_main_~mask_SORT_5~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_188~0#1| (_ BitVec 16)) (|ULTIMATE.start_main_~mask_SORT_174~0#1| (_ BitVec 16)) (|ULTIMATE.start_main_~mask_SORT_161~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_163~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_180~0#1| (_ BitVec 16)) (|ULTIMATE.start_main_~mask_SORT_169~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~mask_SORT_182~0#1| (_ BitVec 16)) (|ULTIMATE.start_main_~mask_SORT_167~0#1| (_ BitVec 8))) (= (bvand (let ((.cse66 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse46 ((_ zero_extend 24) |ULTIMATE.start_main_~input_6~0#1|)))))) (let ((.cse49 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse66 (_ bv5 32)))))) (bvor (bvand |c_ULTIMATE.start_main_~mask_SORT_218~0#1| (let ((.cse54 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse66 (_ bv4 32))))) (.cse53 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse66 (_ bv7 32)))))) (bvor (bvand (let ((.cse58 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse66 (_ bv3 32))))) (.cse50 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse66 (_ bv6 32)))))) (bvor (bvand |c_ULTIMATE.start_main_~mask_SORT_214~0#1| (let ((.cse48 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse66 (_ bv2 32)))))) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse48 .cse49))) .cse50))) .cse5))) (_ bv28 32)) (bvand (let ((.cse62 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse66 (_ bv1 32)))))) (let ((.cse65 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse62 .cse53))))) (bvor (bvand |c_ULTIMATE.start_main_~mask_SORT_210~0#1| (let ((.cse55 ((_ zero_extend 24) ((_ extract 7 0) .cse66)))) (let ((.cse61 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse50 .cse55))))) (bvor (bvand (let ((.cse51 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse58 .cse48))))) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse6 .cse51))) (_ bv25 32)) (bvand |c_ULTIMATE.start_main_~mask_SORT_206~0#1| (let ((.cse52 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse48 .cse65))))) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse52 .cse9))) (_ bv24 32)) (bvand (let ((.cse56 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse61 .cse62))))) (bvor (bvand (bvor (bvand |c_ULTIMATE.start_main_~mask_SORT_200~0#1| (bvor (bvand (bvor (bvand (bvor (bvand (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse48 .cse50))) .cse53))) .cse11))) (_ bv18 32)) (bvand (bvor (bvand |c_ULTIMATE.start_main_~mask_SORT_190~0#1| (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse12 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse54 .cse55))) .cse49)))))) (_ bv16 32)) ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) |ULTIMATE.start_main_~mask_SORT_188~0#1|) ((_ zero_extend 16) ((_ extract 15 0) (bvor ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) |ULTIMATE.start_main_~mask_SORT_186~0#1|) ((_ zero_extend 16) ((_ extract 15 0) (bvor (bvshl ((_ zero_extend 16) ((_ zero_extend 8) ((_ extract 7 0) (bvxor .cse15 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse54 .cse51))) .cse50))) .cse53))))))) (_ bv14 32)) ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) |ULTIMATE.start_main_~mask_SORT_184~0#1|) ((_ zero_extend 16) ((_ extract 15 0) (let ((.cse59 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse52 .cse58))))) (bvor ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) ((_ extract 15 0) (bvor (bvshl ((_ zero_extend 16) ((_ zero_extend 8) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse54 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse48 .cse56)))))) .cse49))) .cse17)))) (_ bv12 32)) ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) ((_ extract 15 0) (let ((.cse64 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse54 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse58 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse62 .cse55))))))))))) (bvor ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) ((_ extract 15 0) (let ((.cse57 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse48 .cse55))) .cse58))) .cse49))))) (bvor (bvshl ((_ zero_extend 16) ((_ zero_extend 8) ((_ extract 7 0) (bvxor .cse57 .cse19)))) (_ bv10 32)) ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) ((_ extract 15 0) (let ((.cse63 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse49 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse62 .cse48))) .cse54)))))))) (bvor ((_ zero_extend 16) ((_ extract 15 0) (bvand ((_ zero_extend 16) ((_ extract 15 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_171~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_169~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_167~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse48 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse54 .cse50))) .cse58)))))) .cse55))) (_ bv4 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl .cse59 (_ bv3 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse60 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse61 .cse53))) .cse62))))) (bvor (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse48 .cse60))) (_ bv2 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl .cse60 (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse23 .cse61)))))) ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_161~0#1|)))))))) ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_163~0#1|))))))) ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_165~0#1|)))))))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse62 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse58 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse54 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse50 .cse53))) .cse49)))))))))))) .cse55))) (_ bv5 32)))))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse50 .cse63))) .cse53))) (_ bv6 32)))))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse57 .cse53))) (_ bv7 32))))) ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_5~0#1|)))) (bvshl ((_ zero_extend 16) ((_ zero_extend 8) ((_ extract 7 0) (bvxor .cse64 .cse28)))) (_ bv8 32))))) ((_ zero_extend 16) |ULTIMATE.start_main_~mask_SORT_174~0#1|)))) (bvshl ((_ zero_extend 16) ((_ zero_extend 8) ((_ extract 7 0) (bvxor .cse29 .cse63)))) (_ bv9 32)))))) ((_ zero_extend 16) |ULTIMATE.start_main_~mask_SORT_176~0#1|)))))))) ((_ zero_extend 16) |ULTIMATE.start_main_~mask_SORT_178~0#1|)))) (bvshl ((_ zero_extend 16) ((_ zero_extend 8) ((_ extract 7 0) (bvxor .cse64 .cse30)))) (_ bv11 32)))))) ((_ zero_extend 16) |ULTIMATE.start_main_~mask_SORT_180~0#1|))))))) ((_ zero_extend 16) |ULTIMATE.start_main_~mask_SORT_182~0#1|)))) (bvshl ((_ zero_extend 16) ((_ zero_extend 8) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse59 .cse49))) .cse50))) .cse31)))) (_ bv13 32))))))))))))))) (bvshl ((_ zero_extend 16) ((_ zero_extend 8) ((_ extract 7 0) (bvxor .cse32 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse53 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse58 .cse54))) .cse49)))))))))) (_ bv15 32)))))))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse62 .cse49))) .cse50))) .cse33))) (_ bv17 32))) |c_ULTIMATE.start_main_~mask_SORT_192~0#1|)) |c_ULTIMATE.start_main_~mask_SORT_194~0#1|) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse58 .cse53))) .cse34))) (_ bv19 32))) |c_ULTIMATE.start_main_~mask_SORT_196~0#1|) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse54 .cse35))) (_ bv20 32))) |c_ULTIMATE.start_main_~mask_SORT_198~0#1|) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse36 .cse49))) (_ bv21 32)))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse37 .cse55))) (_ bv22 32))) |c_ULTIMATE.start_main_~mask_SORT_202~0#1|) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse38 .cse56))) (_ bv23 32)))) |c_ULTIMATE.start_main_~mask_SORT_204~0#1|)))))) |c_ULTIMATE.start_main_~mask_SORT_208~0#1|) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse40 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse58 .cse61))) .cse54)))))) (_ bv26 32)))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse54 .cse65))) .cse49))) .cse42))) (_ bv27 32))))) |c_ULTIMATE.start_main_~mask_SORT_212~0#1|)))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse43 ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse58 .cse50))) .cse53)))))) (_ bv29 32)))) |c_ULTIMATE.start_main_~mask_SORT_216~0#1|) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse44 ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse54 .cse53)))))) (_ bv30 32))))) (bvshl ((_ zero_extend 24) ((_ extract 7 0) (bvxor .cse45 .cse49))) (_ bv31 32))))) |c_ULTIMATE.start_main_~mask_SORT_9~0#1|) |c_ULTIMATE.start_main_~var_13~0#1|)) .cse47 (forall ((|ULTIMATE.start_main_~input_6~0#1| (_ BitVec 8))) (= |c_ULTIMATE.start_main_~var_13~0#1| (bvand (bvor ((_ zero_extend 24) |ULTIMATE.start_main_~input_6~0#1|) .cse0) |c_ULTIMATE.start_main_~mask_SORT_9~0#1|))) .cse1)))) is different from false [2025-02-07 23:14:13,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.51s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-02-07 23:14:22,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.53s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2025-02-07 23:14:22,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 23:14:22,445 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2025-02-07 23:14:22,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-07 23:14:22,446 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 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 23:14:22,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 23:14:22,446 INFO L225 Difference]: With dead ends: 14 [2025-02-07 23:14:22,446 INFO L226 Difference]: Without dead ends: 12 [2025-02-07 23:14:22,446 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 21.4s TimeCoverageRelationStatistics Valid=44, Invalid=72, Unknown=2, NotChecked=38, Total=156 [2025-02-07 23:14:22,447 INFO L435 NwaCegarLoop]: 3 mSDtfsCounter, 2 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 17 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2025-02-07 23:14:22,447 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 17 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 2 Unknown, 17 Unchecked, 17.3s Time] [2025-02-07 23:14:22,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2025-02-07 23:14:22,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2025-02-07 23:14:22,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 23:14:22,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2025-02-07 23:14:22,453 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 7 [2025-02-07 23:14:22,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 23:14:22,453 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2025-02-07 23:14:22,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 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 23:14:22,453 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2025-02-07 23:14:22,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-02-07 23:14:22,453 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 23:14:22,454 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1] [2025-02-07 23:14:22,462 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-07 23:14:22,654 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 23:14:22,654 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 23:14:22,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 23:14:22,655 INFO L85 PathProgramCache]: Analyzing trace with hash 55678175, now seen corresponding path program 2 times [2025-02-07 23:14:22,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-07 23:14:22,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [656690863] [2025-02-07 23:14:22,655 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-07 23:14:22,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-07 23:14:22,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 23:14:22,658 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 23:14:22,659 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 23:14:22,815 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 10 statements into 2 equivalence classes. [2025-02-07 23:14:22,860 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 10 of 10 statements. [2025-02-07 23:14:22,861 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-07 23:14:22,861 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 23:14:22,865 INFO L256 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 65 conjuncts are in the unsatisfiable core [2025-02-07 23:14:22,873 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-07 23:14:30,713 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 23:14:30,713 INFO L312 TraceCheckSpWp]: Computing backward predicates...