./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-func-interl.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a57e2087ba2fb5712da688a78c58574dc68561b7154ad7e0d790d643e6e13ba4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 04:14:50,059 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 04:14:50,111 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-24 04:14:50,115 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 04:14:50,116 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 04:14:50,139 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 04:14:50,140 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 04:14:50,140 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 04:14:50,141 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 04:14:50,141 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 04:14:50,141 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 04:14:50,141 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 04:14:50,142 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 04:14:50,142 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 04:14:50,142 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 04:14:50,143 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 04:14:50,143 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 04:14:50,143 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 04:14:50,144 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 04:14:50,144 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 04:14:50,144 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 04:14:50,149 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 04:14:50,149 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 04:14:50,150 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 04:14:50,150 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 04:14:50,150 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 04:14:50,150 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 04:14:50,150 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 04:14:50,150 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 04:14:50,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 04:14:50,151 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 04:14:50,151 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 04:14:50,151 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 04:14:50,151 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 04:14:50,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 04:14:50,152 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 04:14:50,152 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 04:14:50,152 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 04:14:50,152 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 04:14:50,152 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a57e2087ba2fb5712da688a78c58574dc68561b7154ad7e0d790d643e6e13ba4 [2024-10-24 04:14:50,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 04:14:50,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 04:14:50,384 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 04:14:50,386 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 04:14:50,386 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 04:14:50,387 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-func-interl.c [2024-10-24 04:14:51,703 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 04:14:51,943 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 04:14:51,944 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-func-interl.c [2024-10-24 04:14:51,959 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b5bcae03/35b8526583f24415a4178556a67af988/FLAG1b8a9f8b6 [2024-10-24 04:14:51,971 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b5bcae03/35b8526583f24415a4178556a67af988 [2024-10-24 04:14:51,974 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 04:14:51,975 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 04:14:51,976 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 04:14:51,976 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 04:14:51,981 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 04:14:51,981 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:14:51" (1/1) ... [2024-10-24 04:14:51,982 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6287076c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:14:51, skipping insertion in model container [2024-10-24 04:14:51,982 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:14:51" (1/1) ... [2024-10-24 04:14:52,039 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 04:14:52,224 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-func-interl.c[1172,1185] [2024-10-24 04:14:52,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 04:14:52,603 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 04:14:52,614 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-func-interl.c[1172,1185] [2024-10-24 04:14:52,735 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 04:14:52,750 INFO L204 MainTranslator]: Completed translation [2024-10-24 04:14:52,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:14:52 WrapperNode [2024-10-24 04:14:52,751 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 04:14:52,752 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 04:14:52,752 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 04:14:52,752 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 04:14:52,759 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:14:52" (1/1) ... [2024-10-24 04:14:52,860 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:14:52" (1/1) ... [2024-10-24 04:14:53,419 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 6062 [2024-10-24 04:14:53,419 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 04:14:53,420 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 04:14:53,420 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 04:14:53,420 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 04:14:53,429 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:14:52" (1/1) ... [2024-10-24 04:14:53,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:14:52" (1/1) ... [2024-10-24 04:14:53,713 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:14:52" (1/1) ... [2024-10-24 04:14:53,971 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 04:14:53,971 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:14:52" (1/1) ... [2024-10-24 04:14:53,971 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:14:52" (1/1) ... [2024-10-24 04:14:54,237 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:14:52" (1/1) ... [2024-10-24 04:14:54,282 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:14:52" (1/1) ... [2024-10-24 04:14:54,327 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:14:52" (1/1) ... [2024-10-24 04:14:54,356 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:14:52" (1/1) ... [2024-10-24 04:14:54,515 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 04:14:54,516 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 04:14:54,517 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 04:14:54,517 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 04:14:54,518 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:14:52" (1/1) ... [2024-10-24 04:14:54,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 04:14:54,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 04:14:54,547 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 04:14:54,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 04:14:54,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 04:14:54,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 04:14:54,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 04:14:54,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 04:14:54,910 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 04:14:54,912 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 04:15:00,189 INFO L? ?]: Removed 3477 outVars from TransFormulas that were not future-live. [2024-10-24 04:15:00,189 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 04:15:00,283 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 04:15:00,283 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 04:15:00,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:15:00 BoogieIcfgContainer [2024-10-24 04:15:00,284 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 04:15:00,286 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 04:15:00,287 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 04:15:00,289 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 04:15:00,290 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 04:14:51" (1/3) ... [2024-10-24 04:15:00,290 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@509f0a37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:15:00, skipping insertion in model container [2024-10-24 04:15:00,291 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:14:52" (2/3) ... [2024-10-24 04:15:00,291 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@509f0a37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:15:00, skipping insertion in model container [2024-10-24 04:15:00,291 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:15:00" (3/3) ... [2024-10-24 04:15:00,292 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.krebs.4.prop1-func-interl.c [2024-10-24 04:15:00,307 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 04:15:00,307 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 04:15:00,404 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 04:15:00,410 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;@72fc291, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 04:15:00,410 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 04:15:00,418 INFO L276 IsEmpty]: Start isEmpty. Operand has 2059 states, 2057 states have (on average 1.5041322314049588) internal successors, (3094), 2058 states have internal predecessors, (3094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:15:00,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-10-24 04:15:00,429 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:15:00,429 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 04:15:00,430 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:15:00,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:15:00,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1638608928, now seen corresponding path program 1 times [2024-10-24 04:15:00,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:15:00,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494413420] [2024-10-24 04:15:00,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:15:00,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:15:00,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:15:01,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:15:01,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:15:01,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494413420] [2024-10-24 04:15:01,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494413420] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:15:01,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:15:01,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 04:15:01,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584789163] [2024-10-24 04:15:01,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:15:01,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 04:15:01,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:15:01,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 04:15:01,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 04:15:01,339 INFO L87 Difference]: Start difference. First operand has 2059 states, 2057 states have (on average 1.5041322314049588) internal successors, (3094), 2058 states have internal predecessors, (3094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:15:03,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:15:03,196 INFO L93 Difference]: Finished difference Result 5825 states and 8758 transitions. [2024-10-24 04:15:03,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 04:15:03,198 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 138 [2024-10-24 04:15:03,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:15:03,227 INFO L225 Difference]: With dead ends: 5825 [2024-10-24 04:15:03,228 INFO L226 Difference]: Without dead ends: 3935 [2024-10-24 04:15:03,239 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-24 04:15:03,241 INFO L432 NwaCegarLoop]: 2445 mSDtfsCounter, 2946 mSDsluCounter, 7190 mSDsCounter, 0 mSdLazyCounter, 2480 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2946 SdHoareTripleChecker+Valid, 9635 SdHoareTripleChecker+Invalid, 2481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-24 04:15:03,244 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2946 Valid, 9635 Invalid, 2481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2480 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-24 04:15:03,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3935 states. [2024-10-24 04:15:03,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3935 to 2145. [2024-10-24 04:15:03,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2145 states, 2144 states have (on average 1.5023320895522387) internal successors, (3221), 2144 states have internal predecessors, (3221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:15:03,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2145 states to 2145 states and 3221 transitions. [2024-10-24 04:15:03,353 INFO L78 Accepts]: Start accepts. Automaton has 2145 states and 3221 transitions. Word has length 138 [2024-10-24 04:15:03,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:15:03,354 INFO L471 AbstractCegarLoop]: Abstraction has 2145 states and 3221 transitions. [2024-10-24 04:15:03,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:15:03,354 INFO L276 IsEmpty]: Start isEmpty. Operand 2145 states and 3221 transitions. [2024-10-24 04:15:03,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-10-24 04:15:03,360 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:15:03,360 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 04:15:03,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 04:15:03,360 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:15:03,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:15:03,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1704986339, now seen corresponding path program 1 times [2024-10-24 04:15:03,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:15:03,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173071265] [2024-10-24 04:15:03,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:15:03,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:15:03,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:15:03,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:15:03,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:15:03,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173071265] [2024-10-24 04:15:03,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173071265] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:15:03,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:15:03,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 04:15:03,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909772922] [2024-10-24 04:15:03,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:15:03,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 04:15:03,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:15:03,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 04:15:03,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 04:15:03,797 INFO L87 Difference]: Start difference. First operand 2145 states and 3221 transitions. Second operand has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:15:03,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:15:03,849 INFO L93 Difference]: Finished difference Result 2149 states and 3225 transitions. [2024-10-24 04:15:03,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 04:15:03,850 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 140 [2024-10-24 04:15:03,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:15:03,856 INFO L225 Difference]: With dead ends: 2149 [2024-10-24 04:15:03,857 INFO L226 Difference]: Without dead ends: 2147 [2024-10-24 04:15:03,859 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 04:15:03,861 INFO L432 NwaCegarLoop]: 3089 mSDtfsCounter, 0 mSDsluCounter, 6173 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9262 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 04:15:03,861 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9262 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 04:15:03,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2147 states. [2024-10-24 04:15:03,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2147 to 2147. [2024-10-24 04:15:03,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2147 states, 2146 states have (on average 1.5018639328984156) internal successors, (3223), 2146 states have internal predecessors, (3223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:15:03,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2147 states to 2147 states and 3223 transitions. [2024-10-24 04:15:03,900 INFO L78 Accepts]: Start accepts. Automaton has 2147 states and 3223 transitions. Word has length 140 [2024-10-24 04:15:03,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:15:03,901 INFO L471 AbstractCegarLoop]: Abstraction has 2147 states and 3223 transitions. [2024-10-24 04:15:03,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:15:03,901 INFO L276 IsEmpty]: Start isEmpty. Operand 2147 states and 3223 transitions. [2024-10-24 04:15:03,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-10-24 04:15:03,902 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:15:03,902 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 04:15:03,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 04:15:03,903 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:15:03,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:15:03,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1313272933, now seen corresponding path program 1 times [2024-10-24 04:15:03,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:15:03,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922190639] [2024-10-24 04:15:03,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:15:03,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:15:03,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:15:04,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:15:04,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:15:04,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922190639] [2024-10-24 04:15:04,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922190639] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:15:04,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:15:04,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 04:15:04,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100247523] [2024-10-24 04:15:04,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:15:04,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 04:15:04,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:15:04,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 04:15:04,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 04:15:04,212 INFO L87 Difference]: Start difference. First operand 2147 states and 3223 transitions. Second operand has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:15:04,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:15:04,285 INFO L93 Difference]: Finished difference Result 4040 states and 6067 transitions. [2024-10-24 04:15:04,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 04:15:04,286 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2024-10-24 04:15:04,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:15:04,293 INFO L225 Difference]: With dead ends: 4040 [2024-10-24 04:15:04,293 INFO L226 Difference]: Without dead ends: 2149 [2024-10-24 04:15:04,296 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 04:15:04,299 INFO L432 NwaCegarLoop]: 3089 mSDtfsCounter, 0 mSDsluCounter, 6170 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9259 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 04:15:04,300 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9259 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 04:15:04,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2149 states. [2024-10-24 04:15:04,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2149 to 2149. [2024-10-24 04:15:04,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2149 states, 2148 states have (on average 1.5013966480446927) internal successors, (3225), 2148 states have internal predecessors, (3225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:15:04,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2149 states to 2149 states and 3225 transitions. [2024-10-24 04:15:04,350 INFO L78 Accepts]: Start accepts. Automaton has 2149 states and 3225 transitions. Word has length 141 [2024-10-24 04:15:04,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:15:04,351 INFO L471 AbstractCegarLoop]: Abstraction has 2149 states and 3225 transitions. [2024-10-24 04:15:04,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:15:04,351 INFO L276 IsEmpty]: Start isEmpty. Operand 2149 states and 3225 transitions. [2024-10-24 04:15:04,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-10-24 04:15:04,353 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:15:04,353 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 04:15:04,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 04:15:04,353 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:15:04,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:15:04,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1140246966, now seen corresponding path program 1 times [2024-10-24 04:15:04,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:15:04,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900079425] [2024-10-24 04:15:04,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:15:04,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:15:04,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:15:04,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:15:04,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:15:04,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900079425] [2024-10-24 04:15:04,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900079425] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:15:04,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:15:04,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 04:15:04,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627141011] [2024-10-24 04:15:04,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:15:04,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 04:15:04,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:15:04,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 04:15:04,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 04:15:04,692 INFO L87 Difference]: Start difference. First operand 2149 states and 3225 transitions. Second operand has 5 states, 5 states have (on average 28.4) internal successors, (142), 5 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:15:04,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:15:04,777 INFO L93 Difference]: Finished difference Result 4044 states and 6071 transitions. [2024-10-24 04:15:04,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 04:15:04,778 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.4) internal successors, (142), 5 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 142 [2024-10-24 04:15:04,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:15:04,793 INFO L225 Difference]: With dead ends: 4044 [2024-10-24 04:15:04,796 INFO L226 Difference]: Without dead ends: 2151 [2024-10-24 04:15:04,801 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 04:15:04,802 INFO L432 NwaCegarLoop]: 3089 mSDtfsCounter, 0 mSDsluCounter, 6164 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9253 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 04:15:04,804 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9253 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 04:15:04,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2151 states. [2024-10-24 04:15:04,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2151 to 2151. [2024-10-24 04:15:04,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2151 states, 2150 states have (on average 1.5009302325581395) internal successors, (3227), 2150 states have internal predecessors, (3227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:15:04,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2151 states to 2151 states and 3227 transitions. [2024-10-24 04:15:04,852 INFO L78 Accepts]: Start accepts. Automaton has 2151 states and 3227 transitions. Word has length 142 [2024-10-24 04:15:04,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:15:04,852 INFO L471 AbstractCegarLoop]: Abstraction has 2151 states and 3227 transitions. [2024-10-24 04:15:04,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.4) internal successors, (142), 5 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:15:04,853 INFO L276 IsEmpty]: Start isEmpty. Operand 2151 states and 3227 transitions. [2024-10-24 04:15:04,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-10-24 04:15:04,854 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:15:04,855 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 04:15:04,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 04:15:04,855 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:15:04,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:15:04,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1896805250, now seen corresponding path program 1 times [2024-10-24 04:15:04,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:15:04,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991207398] [2024-10-24 04:15:04,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:15:04,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:15:04,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:15:05,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:15:05,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 04:15:05,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991207398] [2024-10-24 04:15:05,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991207398] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:15:05,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:15:05,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 04:15:05,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36278808] [2024-10-24 04:15:05,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:15:05,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 04:15:05,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 04:15:05,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 04:15:05,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 04:15:05,151 INFO L87 Difference]: Start difference. First operand 2151 states and 3227 transitions. Second operand has 5 states, 5 states have (on average 28.6) internal successors, (143), 4 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:15:06,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:15:06,263 INFO L93 Difference]: Finished difference Result 4044 states and 6070 transitions. [2024-10-24 04:15:06,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 04:15:06,264 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 4 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 143 [2024-10-24 04:15:06,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:15:06,269 INFO L225 Difference]: With dead ends: 4044 [2024-10-24 04:15:06,270 INFO L226 Difference]: Without dead ends: 2149 [2024-10-24 04:15:06,272 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 04:15:06,273 INFO L432 NwaCegarLoop]: 2435 mSDtfsCounter, 2959 mSDsluCounter, 4861 mSDsCounter, 0 mSdLazyCounter, 1965 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2959 SdHoareTripleChecker+Valid, 7296 SdHoareTripleChecker+Invalid, 1966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1965 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 04:15:06,273 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2959 Valid, 7296 Invalid, 1966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1965 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 04:15:06,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2149 states. [2024-10-24 04:15:06,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2149 to 2149. [2024-10-24 04:15:06,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2149 states, 2148 states have (on average 1.5004655493482308) internal successors, (3223), 2148 states have internal predecessors, (3223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:15:06,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2149 states to 2149 states and 3223 transitions. [2024-10-24 04:15:06,302 INFO L78 Accepts]: Start accepts. Automaton has 2149 states and 3223 transitions. Word has length 143 [2024-10-24 04:15:06,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:15:06,303 INFO L471 AbstractCegarLoop]: Abstraction has 2149 states and 3223 transitions. [2024-10-24 04:15:06,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 4 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:15:06,303 INFO L276 IsEmpty]: Start isEmpty. Operand 2149 states and 3223 transitions. [2024-10-24 04:15:06,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-10-24 04:15:06,304 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:15:06,304 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 04:15:06,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 04:15:06,305 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:15:06,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:15:06,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1009232237, now seen corresponding path program 1 times [2024-10-24 04:15:06,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 04:15:06,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203383655] [2024-10-24 04:15:06,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:15:06,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 04:15:06,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 04:15:06,348 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 04:15:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 04:15:06,436 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 04:15:06,436 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 04:15:06,437 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-24 04:15:06,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 04:15:06,441 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-10-24 04:15:06,511 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 04:15:06,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 04:15:06 BoogieIcfgContainer [2024-10-24 04:15:06,513 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 04:15:06,514 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 04:15:06,514 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 04:15:06,514 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 04:15:06,514 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:15:00" (3/4) ... [2024-10-24 04:15:06,516 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-24 04:15:06,517 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 04:15:06,518 INFO L158 Benchmark]: Toolchain (without parser) took 14543.06ms. Allocated memory was 151.0MB in the beginning and 1.1GB in the end (delta: 941.6MB). Free memory was 79.9MB in the beginning and 369.1MB in the end (delta: -289.2MB). Peak memory consumption was 654.3MB. Max. memory is 16.1GB. [2024-10-24 04:15:06,518 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 151.0MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 04:15:06,518 INFO L158 Benchmark]: CACSL2BoogieTranslator took 775.60ms. Allocated memory is still 151.0MB. Free memory was 79.7MB in the beginning and 54.4MB in the end (delta: 25.3MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2024-10-24 04:15:06,518 INFO L158 Benchmark]: Boogie Procedure Inliner took 666.95ms. Allocated memory was 151.0MB in the beginning and 222.3MB in the end (delta: 71.3MB). Free memory was 54.4MB in the beginning and 73.6MB in the end (delta: -19.2MB). Peak memory consumption was 95.3MB. Max. memory is 16.1GB. [2024-10-24 04:15:06,518 INFO L158 Benchmark]: Boogie Preprocessor took 1095.52ms. Allocated memory was 222.3MB in the beginning and 444.6MB in the end (delta: 222.3MB). Free memory was 73.6MB in the beginning and 256.3MB in the end (delta: -182.7MB). Peak memory consumption was 67.7MB. Max. memory is 16.1GB. [2024-10-24 04:15:06,519 INFO L158 Benchmark]: RCFGBuilder took 5768.01ms. Allocated memory was 444.6MB in the beginning and 801.1MB in the end (delta: 356.5MB). Free memory was 256.3MB in the beginning and 427.3MB in the end (delta: -171.0MB). Peak memory consumption was 418.5MB. Max. memory is 16.1GB. [2024-10-24 04:15:06,519 INFO L158 Benchmark]: TraceAbstraction took 6227.13ms. Allocated memory was 801.1MB in the beginning and 1.1GB in the end (delta: 291.5MB). Free memory was 426.3MB in the beginning and 370.1MB in the end (delta: 56.1MB). Peak memory consumption was 348.7MB. Max. memory is 16.1GB. [2024-10-24 04:15:06,519 INFO L158 Benchmark]: Witness Printer took 3.64ms. Allocated memory is still 1.1GB. Free memory was 370.1MB in the beginning and 369.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 04:15:06,520 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 151.0MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 775.60ms. Allocated memory is still 151.0MB. Free memory was 79.7MB in the beginning and 54.4MB in the end (delta: 25.3MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 666.95ms. Allocated memory was 151.0MB in the beginning and 222.3MB in the end (delta: 71.3MB). Free memory was 54.4MB in the beginning and 73.6MB in the end (delta: -19.2MB). Peak memory consumption was 95.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1095.52ms. Allocated memory was 222.3MB in the beginning and 444.6MB in the end (delta: 222.3MB). Free memory was 73.6MB in the beginning and 256.3MB in the end (delta: -182.7MB). Peak memory consumption was 67.7MB. Max. memory is 16.1GB. * RCFGBuilder took 5768.01ms. Allocated memory was 444.6MB in the beginning and 801.1MB in the end (delta: 356.5MB). Free memory was 256.3MB in the beginning and 427.3MB in the end (delta: -171.0MB). Peak memory consumption was 418.5MB. Max. memory is 16.1GB. * TraceAbstraction took 6227.13ms. Allocated memory was 801.1MB in the beginning and 1.1GB in the end (delta: 291.5MB). Free memory was 426.3MB in the beginning and 370.1MB in the end (delta: 56.1MB). Peak memory consumption was 348.7MB. Max. memory is 16.1GB. * Witness Printer took 3.64ms. Allocated memory is still 1.1GB. Free memory was 370.1MB in the beginning and 369.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 255. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L38] const SORT_2 var_5 = 0; [L39] const SORT_1 var_30 = 0; [L40] const SORT_3 var_91 = 0; [L41] const SORT_4 var_93 = 80; [L42] const SORT_2 var_97 = 15; [L43] const SORT_4 var_101 = 1; [L44] const SORT_2 var_107 = 4; [L45] const SORT_4 var_109 = 2; [L46] const SORT_2 var_133 = 12; [L47] const SORT_2 var_160 = 2; [L48] const SORT_2 var_225 = 10; [L50] SORT_1 input_98; [L51] SORT_1 input_108; [L52] SORT_1 input_114; [L53] SORT_1 input_138; [L54] SORT_1 input_141; [L55] SORT_1 input_142; [L56] SORT_1 input_143; [L57] SORT_1 input_144; [L58] SORT_1 input_145; [L59] SORT_1 input_146; [L60] SORT_1 input_167; [L61] SORT_1 input_168; [L62] SORT_1 input_169; [L63] SORT_1 input_194; [L64] SORT_1 input_198; [L65] SORT_1 input_199; [L66] SORT_1 input_245; [L67] SORT_1 input_248; [L68] SORT_1 input_249; [L69] SORT_1 input_272; [L70] SORT_1 input_293; [L71] SORT_1 input_314; [L73] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L73] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L74] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L74] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L75] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L75] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L76] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L76] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L77] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L78] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L79] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L80] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L81] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L82] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L83] SORT_2 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L84] SORT_2 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L85] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L86] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L87] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L88] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L89] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L90] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L91] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L92] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L93] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L94] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L95] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L96] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L97] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L97] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L98] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L99] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L100] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L101] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L102] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L102] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L103] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L103] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L104] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L104] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L105] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L106] SORT_1 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L107] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L107] SORT_1 state_75 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L108] SORT_1 state_77 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L109] SORT_1 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L110] SORT_1 state_81 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L111] SORT_1 state_83 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L112] SORT_1 state_85 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L113] SORT_1 state_87 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L114] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_30=0, var_5=0, var_91=0, var_93=80, var_97=15] [L114] SORT_1 state_89 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L116] SORT_2 init_7_arg_1 = var_5; [L117] state_6 = init_7_arg_1 [L118] SORT_2 init_9_arg_1 = var_5; [L119] state_8 = init_9_arg_1 [L120] SORT_2 init_11_arg_1 = var_5; [L121] state_10 = init_11_arg_1 [L122] SORT_2 init_13_arg_1 = var_5; [L123] state_12 = init_13_arg_1 [L124] SORT_2 init_15_arg_1 = var_5; [L125] state_14 = init_15_arg_1 [L126] SORT_2 init_17_arg_1 = var_5; [L127] state_16 = init_17_arg_1 [L128] SORT_2 init_19_arg_1 = var_5; [L129] state_18 = init_19_arg_1 [L130] SORT_2 init_21_arg_1 = var_5; [L131] state_20 = init_21_arg_1 [L132] SORT_2 init_23_arg_1 = var_5; [L133] state_22 = init_23_arg_1 [L134] SORT_2 init_25_arg_1 = var_5; [L135] state_24 = init_25_arg_1 [L136] SORT_2 init_27_arg_1 = var_5; [L137] state_26 = init_27_arg_1 [L138] SORT_2 init_29_arg_1 = var_5; [L139] state_28 = init_29_arg_1 [L140] SORT_1 init_32_arg_1 = var_30; [L141] state_31 = init_32_arg_1 [L142] SORT_1 init_34_arg_1 = var_30; [L143] state_33 = init_34_arg_1 [L144] SORT_1 init_36_arg_1 = var_30; [L145] state_35 = init_36_arg_1 [L146] SORT_1 init_38_arg_1 = var_30; [L147] state_37 = init_38_arg_1 [L148] SORT_1 init_40_arg_1 = var_30; [L149] state_39 = init_40_arg_1 [L150] SORT_1 init_42_arg_1 = var_30; [L151] state_41 = init_42_arg_1 [L152] SORT_1 init_44_arg_1 = var_30; [L153] state_43 = init_44_arg_1 [L154] SORT_1 init_46_arg_1 = var_30; [L155] state_45 = init_46_arg_1 [L156] SORT_1 init_48_arg_1 = var_30; [L157] state_47 = init_48_arg_1 [L158] SORT_1 init_50_arg_1 = var_30; [L159] state_49 = init_50_arg_1 [L160] SORT_1 init_52_arg_1 = var_30; [L161] state_51 = init_52_arg_1 [L162] SORT_1 init_54_arg_1 = var_30; [L163] state_53 = init_54_arg_1 [L164] SORT_1 init_56_arg_1 = var_30; [L165] state_55 = init_56_arg_1 [L166] SORT_1 init_58_arg_1 = var_30; [L167] state_57 = init_58_arg_1 [L168] SORT_1 init_60_arg_1 = var_30; [L169] state_59 = init_60_arg_1 [L170] SORT_1 init_62_arg_1 = var_30; [L171] state_61 = init_62_arg_1 [L172] SORT_1 init_64_arg_1 = var_30; [L173] state_63 = init_64_arg_1 [L174] SORT_1 init_66_arg_1 = var_30; [L175] state_65 = init_66_arg_1 [L176] SORT_1 init_68_arg_1 = var_30; [L177] state_67 = init_68_arg_1 [L178] SORT_1 init_70_arg_1 = var_30; [L179] state_69 = init_70_arg_1 [L180] SORT_1 init_72_arg_1 = var_30; [L181] state_71 = init_72_arg_1 [L182] SORT_1 init_74_arg_1 = var_30; [L183] state_73 = init_74_arg_1 [L184] SORT_1 init_76_arg_1 = var_30; [L185] state_75 = init_76_arg_1 [L186] SORT_1 init_78_arg_1 = var_30; [L187] state_77 = init_78_arg_1 [L188] SORT_1 init_80_arg_1 = var_30; [L189] state_79 = init_80_arg_1 [L190] SORT_1 init_82_arg_1 = var_30; [L191] state_81 = init_82_arg_1 [L192] SORT_1 init_84_arg_1 = var_30; [L193] state_83 = init_84_arg_1 [L194] SORT_1 init_86_arg_1 = var_30; [L195] state_85 = init_86_arg_1 [L196] SORT_1 init_88_arg_1 = var_30; [L197] state_87 = init_88_arg_1 [L198] SORT_1 init_90_arg_1 = var_30; [L199] state_89 = init_90_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L202] input_98 = __VERIFIER_nondet_uchar() [L203] EXPR input_98 & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L203] input_98 = input_98 & mask_SORT_1 [L204] input_108 = __VERIFIER_nondet_uchar() [L205] EXPR input_108 & mask_SORT_1 VAL [input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L205] input_108 = input_108 & mask_SORT_1 [L206] input_114 = __VERIFIER_nondet_uchar() [L207] EXPR input_114 & mask_SORT_1 VAL [input_108=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L207] input_114 = input_114 & mask_SORT_1 [L208] input_138 = __VERIFIER_nondet_uchar() [L209] EXPR input_138 & mask_SORT_1 VAL [input_108=0, input_114=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L209] input_138 = input_138 & mask_SORT_1 [L210] input_141 = __VERIFIER_nondet_uchar() [L211] EXPR input_141 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L211] input_141 = input_141 & mask_SORT_1 [L212] input_142 = __VERIFIER_nondet_uchar() [L213] EXPR input_142 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L213] input_142 = input_142 & mask_SORT_1 [L214] input_143 = __VERIFIER_nondet_uchar() [L215] EXPR input_143 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L215] input_143 = input_143 & mask_SORT_1 [L216] input_144 = __VERIFIER_nondet_uchar() [L217] EXPR input_144 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L217] input_144 = input_144 & mask_SORT_1 [L218] input_145 = __VERIFIER_nondet_uchar() [L219] EXPR input_145 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L219] input_145 = input_145 & mask_SORT_1 [L220] input_146 = __VERIFIER_nondet_uchar() [L221] EXPR input_146 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L221] input_146 = input_146 & mask_SORT_1 [L222] input_167 = __VERIFIER_nondet_uchar() [L223] EXPR input_167 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L223] input_167 = input_167 & mask_SORT_1 [L224] input_168 = __VERIFIER_nondet_uchar() [L225] EXPR input_168 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L225] input_168 = input_168 & mask_SORT_1 [L226] input_169 = __VERIFIER_nondet_uchar() [L227] EXPR input_169 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_168=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L227] input_169 = input_169 & mask_SORT_1 [L228] input_194 = __VERIFIER_nondet_uchar() [L229] EXPR input_194 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_168=0, input_169=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L229] input_194 = input_194 & mask_SORT_1 [L230] input_198 = __VERIFIER_nondet_uchar() [L231] EXPR input_198 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_168=0, input_169=0, input_194=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L231] input_198 = input_198 & mask_SORT_1 [L232] input_199 = __VERIFIER_nondet_uchar() [L233] EXPR input_199 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_168=0, input_169=0, input_194=0, input_198=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L233] input_199 = input_199 & mask_SORT_1 [L234] input_245 = __VERIFIER_nondet_uchar() [L235] EXPR input_245 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_168=0, input_169=0, input_194=0, input_198=0, input_199=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L235] input_245 = input_245 & mask_SORT_1 [L236] input_248 = __VERIFIER_nondet_uchar() [L237] EXPR input_248 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_168=0, input_169=0, input_194=0, input_198=0, input_199=0, input_245=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L237] input_248 = input_248 & mask_SORT_1 [L238] input_249 = __VERIFIER_nondet_uchar() [L239] EXPR input_249 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_168=0, input_169=0, input_194=0, input_198=0, input_199=0, input_245=0, input_248=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L239] input_249 = input_249 & mask_SORT_1 [L240] input_272 = __VERIFIER_nondet_uchar() [L241] input_293 = __VERIFIER_nondet_uchar() [L242] input_314 = __VERIFIER_nondet_uchar() [L245] SORT_3 var_92_arg_0 = var_91; [L246] SORT_2 var_92_arg_1 = state_28; VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_168=0, input_169=0, input_194=0, input_198=0, input_199=0, input_245=0, input_248=0, input_249=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_92_arg_0=0, var_92_arg_1=0, var_93=80, var_97=15] [L247] EXPR ((SORT_4)var_92_arg_0 << 8) | var_92_arg_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_168=0, input_169=0, input_194=0, input_198=0, input_199=0, input_245=0, input_248=0, input_249=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L247] SORT_4 var_92 = ((SORT_4)var_92_arg_0 << 8) | var_92_arg_1; [L248] EXPR var_92 & mask_SORT_4 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_168=0, input_169=0, input_194=0, input_198=0, input_199=0, input_245=0, input_248=0, input_249=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_93=80, var_97=15] [L248] var_92 = var_92 & mask_SORT_4 [L249] SORT_4 var_94_arg_0 = var_92; [L250] SORT_4 var_94_arg_1 = var_93; [L251] SORT_1 var_94 = var_94_arg_0 <= var_94_arg_1; [L252] SORT_1 var_95_arg_0 = ~state_89; VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_168=0, input_169=0, input_194=0, input_198=0, input_199=0, input_245=0, input_248=0, input_249=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_92=0, var_93=80, var_94=1, var_95_arg_0=-1, var_97=15] [L253] EXPR var_95_arg_0 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_168=0, input_169=0, input_194=0, input_198=0, input_199=0, input_245=0, input_248=0, input_249=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_92=0, var_93=80, var_94=1, var_97=15] [L253] var_95_arg_0 = var_95_arg_0 & mask_SORT_1 [L254] SORT_1 var_95_arg_1 = ~var_94; VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_168=0, input_169=0, input_194=0, input_198=0, input_199=0, input_245=0, input_248=0, input_249=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_92=0, var_93=80, var_95_arg_0=1, var_95_arg_1=-2, var_97=15] [L255] EXPR var_95_arg_1 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_168=0, input_169=0, input_194=0, input_198=0, input_199=0, input_245=0, input_248=0, input_249=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_92=0, var_93=80, var_95_arg_0=1, var_97=15] [L255] var_95_arg_1 = var_95_arg_1 & mask_SORT_1 [L256] EXPR var_95_arg_0 & var_95_arg_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_168=0, input_169=0, input_194=0, input_198=0, input_199=0, input_245=0, input_248=0, input_249=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_92=0, var_93=80, var_97=15] [L256] SORT_1 var_95 = var_95_arg_0 & var_95_arg_1; [L257] EXPR var_95 & mask_SORT_1 VAL [input_108=0, input_114=0, input_138=0, input_141=0, input_142=0, input_143=0, input_144=0, input_145=0, input_146=0, input_167=0, input_168=0, input_169=0, input_194=0, input_198=0, input_199=0, input_245=0, input_248=0, input_249=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, var_101=1, var_107=4, var_109=2, var_133=12, var_160=2, var_225=10, var_91=0, var_92=0, var_93=80, var_97=15] [L257] var_95 = var_95 & mask_SORT_1 [L258] SORT_1 bad_96_arg_0 = var_95; [L259] CALL __VERIFIER_assert(!(bad_96_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 2059 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.1s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5905 SdHoareTripleChecker+Valid, 2.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5905 mSDsluCounter, 44705 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30558 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4497 IncrementalHoareTripleChecker+Invalid, 4500 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 14147 mSDtfsCounter, 4497 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2151occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 1790 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 848 NumberOfCodeBlocks, 848 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 699 ConstructedInterpolants, 0 QuantifiedInterpolants, 1796 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-24 04:15:06,553 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-func-interl.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a57e2087ba2fb5712da688a78c58574dc68561b7154ad7e0d790d643e6e13ba4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 04:15:08,628 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 04:15:08,697 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-10-24 04:15:08,701 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 04:15:08,701 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 04:15:08,725 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 04:15:08,728 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 04:15:08,729 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 04:15:08,729 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 04:15:08,730 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 04:15:08,730 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 04:15:08,731 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 04:15:08,732 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 04:15:08,732 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 04:15:08,732 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 04:15:08,735 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 04:15:08,736 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 04:15:08,736 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 04:15:08,736 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 04:15:08,736 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 04:15:08,736 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 04:15:08,737 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-24 04:15:08,737 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-24 04:15:08,737 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 04:15:08,737 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-24 04:15:08,737 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 04:15:08,737 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 04:15:08,738 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 04:15:08,738 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 04:15:08,738 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 04:15:08,738 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 04:15:08,738 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 04:15:08,738 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 04:15:08,738 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 04:15:08,739 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 04:15:08,739 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-24 04:15:08,745 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-24 04:15:08,745 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 04:15:08,746 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 04:15:08,746 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 04:15:08,746 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 04:15:08,746 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-24 04:15:08,747 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a57e2087ba2fb5712da688a78c58574dc68561b7154ad7e0d790d643e6e13ba4 [2024-10-24 04:15:09,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 04:15:09,043 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 04:15:09,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 04:15:09,047 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 04:15:09,047 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 04:15:09,049 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-func-interl.c [2024-10-24 04:15:10,438 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 04:15:10,720 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 04:15:10,720 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-func-interl.c [2024-10-24 04:15:10,749 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34b32d276/ef6ef778141746a7935188e7b0f53bea/FLAG9b71f51a7 [2024-10-24 04:15:10,765 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34b32d276/ef6ef778141746a7935188e7b0f53bea [2024-10-24 04:15:10,767 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 04:15:10,778 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 04:15:10,780 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 04:15:10,780 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 04:15:10,786 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 04:15:10,791 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:15:10" (1/1) ... [2024-10-24 04:15:10,794 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19d19d8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:15:10, skipping insertion in model container [2024-10-24 04:15:10,794 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:15:10" (1/1) ... [2024-10-24 04:15:10,852 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 04:15:11,037 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-func-interl.c[1172,1185] [2024-10-24 04:15:11,303 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 04:15:11,316 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 04:15:11,325 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-func-interl.c[1172,1185] [2024-10-24 04:15:11,444 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 04:15:11,462 INFO L204 MainTranslator]: Completed translation [2024-10-24 04:15:11,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:15:11 WrapperNode [2024-10-24 04:15:11,462 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 04:15:11,463 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 04:15:11,466 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 04:15:11,466 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 04:15:11,472 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:15:11" (1/1) ... [2024-10-24 04:15:11,507 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:15:11" (1/1) ... [2024-10-24 04:15:11,582 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1958 [2024-10-24 04:15:11,583 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 04:15:11,583 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 04:15:11,583 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 04:15:11,584 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 04:15:11,592 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:15:11" (1/1) ... [2024-10-24 04:15:11,593 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:15:11" (1/1) ... [2024-10-24 04:15:11,607 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:15:11" (1/1) ... [2024-10-24 04:15:11,666 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 04:15:11,667 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:15:11" (1/1) ... [2024-10-24 04:15:11,667 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:15:11" (1/1) ... [2024-10-24 04:15:11,709 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:15:11" (1/1) ... [2024-10-24 04:15:11,718 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:15:11" (1/1) ... [2024-10-24 04:15:11,727 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:15:11" (1/1) ... [2024-10-24 04:15:11,739 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:15:11" (1/1) ... [2024-10-24 04:15:11,752 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 04:15:11,753 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 04:15:11,753 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 04:15:11,753 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 04:15:11,754 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:15:11" (1/1) ... [2024-10-24 04:15:11,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 04:15:11,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 04:15:11,784 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 04:15:11,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 04:15:11,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 04:15:11,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-24 04:15:11,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 04:15:11,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 04:15:12,101 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 04:15:12,103 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 04:15:13,726 INFO L? ?]: Removed 85 outVars from TransFormulas that were not future-live. [2024-10-24 04:15:13,727 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 04:15:13,817 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 04:15:13,818 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 04:15:13,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:15:13 BoogieIcfgContainer [2024-10-24 04:15:13,818 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 04:15:13,822 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 04:15:13,822 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 04:15:13,825 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 04:15:13,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 04:15:10" (1/3) ... [2024-10-24 04:15:13,826 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38635b47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:15:13, skipping insertion in model container [2024-10-24 04:15:13,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:15:11" (2/3) ... [2024-10-24 04:15:13,827 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38635b47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:15:13, skipping insertion in model container [2024-10-24 04:15:13,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:15:13" (3/3) ... [2024-10-24 04:15:13,829 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.krebs.4.prop1-func-interl.c [2024-10-24 04:15:13,848 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 04:15:13,848 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 04:15:13,900 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 04:15:13,906 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;@2887b3d4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 04:15:13,907 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 04:15:13,910 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 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) [2024-10-24 04:15:13,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-24 04:15:13,915 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:15:13,916 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-24 04:15:13,917 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:15:13,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:15:13,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1614770, now seen corresponding path program 1 times [2024-10-24 04:15:13,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 04:15:13,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2128008917] [2024-10-24 04:15:13,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:15:13,935 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 04:15:13,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 04:15:13,937 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 04:15:13,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-24 04:15:14,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:15:14,266 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-24 04:15:14,276 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 04:15:14,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:15:14,450 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 04:15:14,450 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 04:15:14,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2128008917] [2024-10-24 04:15:14,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2128008917] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 04:15:14,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 04:15:14,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 04:15:14,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24119706] [2024-10-24 04:15:14,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 04:15:14,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 04:15:14,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 04:15:14,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 04:15:14,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 04:15:14,484 INFO L87 Difference]: Start difference. First operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 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) 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) [2024-10-24 04:15:14,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:15:14,638 INFO L93 Difference]: Finished difference Result 15 states and 20 transitions. [2024-10-24 04:15:14,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 04:15:14,641 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 [2024-10-24 04:15:14,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:15:14,647 INFO L225 Difference]: With dead ends: 15 [2024-10-24 04:15:14,647 INFO L226 Difference]: Without dead ends: 9 [2024-10-24 04:15:14,650 INFO L431 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 [2024-10-24 04:15:14,653 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 2 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 04:15:14,655 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 04:15:14,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-10-24 04:15:14,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2024-10-24 04:15:14,676 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) [2024-10-24 04:15:14,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2024-10-24 04:15:14,677 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2024-10-24 04:15:14,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:15:14,678 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2024-10-24 04:15:14,678 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) [2024-10-24 04:15:14,678 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2024-10-24 04:15:14,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-24 04:15:14,678 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:15:14,678 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2024-10-24 04:15:14,683 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-10-24 04:15:14,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 04:15:14,882 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:15:14,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:15:14,883 INFO L85 PathProgramCache]: Analyzing trace with hash 865745430, now seen corresponding path program 1 times [2024-10-24 04:15:14,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 04:15:14,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [394542020] [2024-10-24 04:15:14,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 04:15:14,885 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 04:15:14,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 04:15:14,887 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 04:15:14,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-24 04:15:15,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 04:15:15,361 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-24 04:15:15,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 04:15:15,666 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:15:15,666 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 04:15:39,744 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 04:15:39,744 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 04:15:39,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [394542020] [2024-10-24 04:15:39,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [394542020] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 04:15:39,745 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 04:15:39,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-10-24 04:15:39,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557551185] [2024-10-24 04:15:39,745 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 04:15:39,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 04:15:39,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 04:15:39,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 04:15:39,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=58, Unknown=5, NotChecked=0, Total=90 [2024-10-24 04:15:39,747 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) [2024-10-24 04:15:42,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-10-24 04:15:56,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 04:15:56,783 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2024-10-24 04:15:56,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 04:15:56,783 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 [2024-10-24 04:15:56,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 04:15:56,783 INFO L225 Difference]: With dead ends: 17 [2024-10-24 04:15:56,784 INFO L226 Difference]: Without dead ends: 15 [2024-10-24 04:15:56,784 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 36.5s TimeCoverageRelationStatistics Valid=72, Invalid=131, Unknown=7, NotChecked=0, Total=210 [2024-10-24 04:15:56,785 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 6 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-10-24 04:15:56,785 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 15 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-10-24 04:15:56,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-10-24 04:15:56,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2024-10-24 04:15:56,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 04:15:56,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2024-10-24 04:15:56,792 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 7 [2024-10-24 04:15:56,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 04:15:56,792 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2024-10-24 04:15:56,793 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) [2024-10-24 04:15:56,793 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2024-10-24 04:15:56,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-24 04:15:56,794 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 04:15:56,794 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1] [2024-10-24 04:15:56,800 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-10-24 04:15:56,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 04:15:56,995 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 04:15:56,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 04:15:56,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1748931734, now seen corresponding path program 2 times [2024-10-24 04:15:56,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 04:15:56,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [565180933] [2024-10-24 04:15:56,997 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 04:15:56,997 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 04:15:56,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 04:15:57,001 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 04:15:57,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-10-24 04:15:57,865 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 04:15:57,866 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 04:15:57,885 INFO L255 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-10-24 04:15:57,903 INFO L278 TraceCheckSpWp]: Computing forward predicates...