./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.4.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.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 8f99c9b906e0ce9dfb5a1fdac7e796a2c68c541e986f60427db8a196999b6c01 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 16:39:07,286 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 16:39:07,358 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-18 16:39:07,365 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 16:39:07,365 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 16:39:07,388 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 16:39:07,388 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 16:39:07,389 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 16:39:07,389 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 16:39:07,390 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 16:39:07,390 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 16:39:07,391 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 16:39:07,391 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 16:39:07,392 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 16:39:07,392 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 16:39:07,393 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 16:39:07,393 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 16:39:07,393 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 16:39:07,394 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 16:39:07,394 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 16:39:07,394 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 16:39:07,395 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 16:39:07,395 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 16:39:07,396 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 16:39:07,396 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 16:39:07,396 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 16:39:07,397 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 16:39:07,397 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 16:39:07,397 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 16:39:07,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 16:39:07,398 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 16:39:07,398 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 16:39:07,398 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 16:39:07,399 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 16:39:07,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 16:39:07,399 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 16:39:07,400 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 16:39:07,400 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 16:39:07,400 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 16:39:07,401 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f99c9b906e0ce9dfb5a1fdac7e796a2c68c541e986f60427db8a196999b6c01 [2024-11-18 16:39:07,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 16:39:07,705 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 16:39:07,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 16:39:07,710 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 16:39:07,710 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 16:39:07,712 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.4.prop1-func-interl.c [2024-11-18 16:39:09,181 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 16:39:09,475 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 16:39:09,475 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.4.prop1-func-interl.c [2024-11-18 16:39:09,494 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf4473fae/bead4c8d848a412b8d92f55d2b3750b3/FLAG36f68551a [2024-11-18 16:39:09,764 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf4473fae/bead4c8d848a412b8d92f55d2b3750b3 [2024-11-18 16:39:09,767 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 16:39:09,768 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 16:39:09,770 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 16:39:09,770 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 16:39:09,776 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 16:39:09,777 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:39:09" (1/1) ... [2024-11-18 16:39:09,780 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@386e3440 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:09, skipping insertion in model container [2024-11-18 16:39:09,781 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:39:09" (1/1) ... [2024-11-18 16:39:09,843 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 16:39:10,081 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.4.prop1-func-interl.c[1173,1186] [2024-11-18 16:39:10,500 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 16:39:10,514 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 16:39:10,524 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.4.prop1-func-interl.c[1173,1186] [2024-11-18 16:39:10,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 16:39:10,680 INFO L204 MainTranslator]: Completed translation [2024-11-18 16:39:10,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:10 WrapperNode [2024-11-18 16:39:10,681 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 16:39:10,682 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 16:39:10,682 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 16:39:10,683 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 16:39:10,690 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:10" (1/1) ... [2024-11-18 16:39:10,758 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:10" (1/1) ... [2024-11-18 16:39:11,493 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5234 [2024-11-18 16:39:11,493 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 16:39:11,494 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 16:39:11,494 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 16:39:11,494 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 16:39:11,505 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:10" (1/1) ... [2024-11-18 16:39:11,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:10" (1/1) ... [2024-11-18 16:39:11,713 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:10" (1/1) ... [2024-11-18 16:39:11,848 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]. [2024-11-18 16:39:11,848 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:10" (1/1) ... [2024-11-18 16:39:11,849 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:10" (1/1) ... [2024-11-18 16:39:12,018 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:10" (1/1) ... [2024-11-18 16:39:12,050 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:10" (1/1) ... [2024-11-18 16:39:12,086 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:10" (1/1) ... [2024-11-18 16:39:12,119 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:10" (1/1) ... [2024-11-18 16:39:12,219 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 16:39:12,221 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 16:39:12,221 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 16:39:12,221 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 16:39:12,222 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:10" (1/1) ... [2024-11-18 16:39:12,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 16:39:12,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 16:39:12,259 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) [2024-11-18 16:39:12,266 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 [2024-11-18 16:39:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 16:39:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 16:39:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 16:39:12,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 16:39:12,652 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 16:39:12,654 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 16:39:18,078 INFO L? ?]: Removed 2933 outVars from TransFormulas that were not future-live. [2024-11-18 16:39:18,078 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 16:39:18,125 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 16:39:18,126 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 16:39:18,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:39:18 BoogieIcfgContainer [2024-11-18 16:39:18,128 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 16:39:18,130 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 16:39:18,130 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 16:39:18,134 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 16:39:18,135 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 04:39:09" (1/3) ... [2024-11-18 16:39:18,136 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fdc3c08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:39:18, skipping insertion in model container [2024-11-18 16:39:18,136 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:10" (2/3) ... [2024-11-18 16:39:18,136 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fdc3c08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:39:18, skipping insertion in model container [2024-11-18 16:39:18,137 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:39:18" (3/3) ... [2024-11-18 16:39:18,139 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.bakery.4.prop1-func-interl.c [2024-11-18 16:39:18,157 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 16:39:18,158 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 16:39:18,258 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 16:39:18,264 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;@332c98cf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 16:39:18,264 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 16:39:18,272 INFO L276 IsEmpty]: Start isEmpty. Operand has 1802 states, 1800 states have (on average 1.4994444444444444) internal successors, (2699), 1801 states have internal predecessors, (2699), 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) [2024-11-18 16:39:18,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-18 16:39:18,283 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 16:39:18,284 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] [2024-11-18 16:39:18,284 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 16:39:18,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 16:39:18,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1403989345, now seen corresponding path program 1 times [2024-11-18 16:39:18,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 16:39:18,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722885613] [2024-11-18 16:39:18,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 16:39:18,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 16:39:18,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 16:39:19,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 16:39:19,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 16:39:19,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722885613] [2024-11-18 16:39:19,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722885613] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 16:39:19,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 16:39:19,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 16:39:19,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482076076] [2024-11-18 16:39:19,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 16:39:19,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 16:39:19,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 16:39:19,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 16:39:19,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 16:39:19,235 INFO L87 Difference]: Start difference. First operand has 1802 states, 1800 states have (on average 1.4994444444444444) internal successors, (2699), 1801 states have internal predecessors, (2699), 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 26.75) internal successors, (107), 4 states have internal predecessors, (107), 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) [2024-11-18 16:39:19,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 16:39:19,420 INFO L93 Difference]: Finished difference Result 3489 states and 5229 transitions. [2024-11-18 16:39:19,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 16:39:19,426 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 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 107 [2024-11-18 16:39:19,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 16:39:19,459 INFO L225 Difference]: With dead ends: 3489 [2024-11-18 16:39:19,459 INFO L226 Difference]: Without dead ends: 1801 [2024-11-18 16:39:19,468 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 [2024-11-18 16:39:19,473 INFO L432 NwaCegarLoop]: 2693 mSDtfsCounter, 0 mSDsluCounter, 5380 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8073 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 16:39:19,475 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8073 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 16:39:19,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1801 states. [2024-11-18 16:39:19,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1801 to 1801. [2024-11-18 16:39:19,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1801 states, 1800 states have (on average 1.4983333333333333) internal successors, (2697), 1800 states have internal predecessors, (2697), 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) [2024-11-18 16:39:19,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1801 states to 1801 states and 2697 transitions. [2024-11-18 16:39:19,613 INFO L78 Accepts]: Start accepts. Automaton has 1801 states and 2697 transitions. Word has length 107 [2024-11-18 16:39:19,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 16:39:19,614 INFO L471 AbstractCegarLoop]: Abstraction has 1801 states and 2697 transitions. [2024-11-18 16:39:19,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 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) [2024-11-18 16:39:19,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1801 states and 2697 transitions. [2024-11-18 16:39:19,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-18 16:39:19,618 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 16:39:19,619 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] [2024-11-18 16:39:19,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-18 16:39:19,619 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 16:39:19,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 16:39:19,620 INFO L85 PathProgramCache]: Analyzing trace with hash -572300919, now seen corresponding path program 1 times [2024-11-18 16:39:19,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 16:39:19,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186044263] [2024-11-18 16:39:19,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 16:39:19,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 16:39:19,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 16:39:20,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 16:39:20,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 16:39:20,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186044263] [2024-11-18 16:39:20,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186044263] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 16:39:20,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 16:39:20,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 16:39:20,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988547803] [2024-11-18 16:39:20,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 16:39:20,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 16:39:20,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 16:39:20,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 16:39:20,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 16:39:20,088 INFO L87 Difference]: Start difference. First operand 1801 states and 2697 transitions. Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 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) [2024-11-18 16:39:20,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 16:39:20,172 INFO L93 Difference]: Finished difference Result 3490 states and 5227 transitions. [2024-11-18 16:39:20,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 16:39:20,173 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 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 108 [2024-11-18 16:39:20,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 16:39:20,180 INFO L225 Difference]: With dead ends: 3490 [2024-11-18 16:39:20,180 INFO L226 Difference]: Without dead ends: 1803 [2024-11-18 16:39:20,183 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 [2024-11-18 16:39:20,184 INFO L432 NwaCegarLoop]: 2693 mSDtfsCounter, 0 mSDsluCounter, 5376 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8069 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 16:39:20,185 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8069 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 16:39:20,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1803 states. [2024-11-18 16:39:20,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1803 to 1803. [2024-11-18 16:39:20,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1803 states, 1802 states have (on average 1.497780244173141) internal successors, (2699), 1802 states have internal predecessors, (2699), 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) [2024-11-18 16:39:20,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1803 states to 1803 states and 2699 transitions. [2024-11-18 16:39:20,225 INFO L78 Accepts]: Start accepts. Automaton has 1803 states and 2699 transitions. Word has length 108 [2024-11-18 16:39:20,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 16:39:20,226 INFO L471 AbstractCegarLoop]: Abstraction has 1803 states and 2699 transitions. [2024-11-18 16:39:20,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 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) [2024-11-18 16:39:20,227 INFO L276 IsEmpty]: Start isEmpty. Operand 1803 states and 2699 transitions. [2024-11-18 16:39:20,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-18 16:39:20,231 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 16:39:20,232 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] [2024-11-18 16:39:20,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-18 16:39:20,232 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 16:39:20,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 16:39:20,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1659424584, now seen corresponding path program 1 times [2024-11-18 16:39:20,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 16:39:20,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340654662] [2024-11-18 16:39:20,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 16:39:20,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 16:39:20,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 16:39:20,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 16:39:20,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 16:39:20,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340654662] [2024-11-18 16:39:20,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340654662] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 16:39:20,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 16:39:20,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 16:39:20,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577788408] [2024-11-18 16:39:20,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 16:39:20,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 16:39:20,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 16:39:20,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 16:39:20,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 16:39:20,593 INFO L87 Difference]: Start difference. First operand 1803 states and 2699 transitions. Second operand has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 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) [2024-11-18 16:39:20,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 16:39:20,683 INFO L93 Difference]: Finished difference Result 3498 states and 5237 transitions. [2024-11-18 16:39:20,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 16:39:20,684 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 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 109 [2024-11-18 16:39:20,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 16:39:20,692 INFO L225 Difference]: With dead ends: 3498 [2024-11-18 16:39:20,693 INFO L226 Difference]: Without dead ends: 1809 [2024-11-18 16:39:20,696 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 [2024-11-18 16:39:20,697 INFO L432 NwaCegarLoop]: 2693 mSDtfsCounter, 4 mSDsluCounter, 5370 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 8063 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 16:39:20,699 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 8063 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 16:39:20,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1809 states. [2024-11-18 16:39:20,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1809 to 1809. [2024-11-18 16:39:20,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1809 states, 1808 states have (on average 1.4972345132743363) internal successors, (2707), 1808 states have internal predecessors, (2707), 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) [2024-11-18 16:39:20,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 1809 states and 2707 transitions. [2024-11-18 16:39:20,749 INFO L78 Accepts]: Start accepts. Automaton has 1809 states and 2707 transitions. Word has length 109 [2024-11-18 16:39:20,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 16:39:20,751 INFO L471 AbstractCegarLoop]: Abstraction has 1809 states and 2707 transitions. [2024-11-18 16:39:20,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 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) [2024-11-18 16:39:20,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1809 states and 2707 transitions. [2024-11-18 16:39:20,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-18 16:39:20,753 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 16:39:20,754 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] [2024-11-18 16:39:20,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-18 16:39:20,756 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 16:39:20,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 16:39:20,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1151503031, now seen corresponding path program 1 times [2024-11-18 16:39:20,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 16:39:20,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735439785] [2024-11-18 16:39:20,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 16:39:20,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 16:39:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 16:39:21,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 16:39:21,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 16:39:21,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735439785] [2024-11-18 16:39:21,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735439785] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 16:39:21,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 16:39:21,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 16:39:21,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904510766] [2024-11-18 16:39:21,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 16:39:21,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 16:39:21,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 16:39:21,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 16:39:21,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-18 16:39:21,179 INFO L87 Difference]: Start difference. First operand 1809 states and 2707 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 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) [2024-11-18 16:39:21,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 16:39:21,273 INFO L93 Difference]: Finished difference Result 3508 states and 5249 transitions. [2024-11-18 16:39:21,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 16:39:21,273 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 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 110 [2024-11-18 16:39:21,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 16:39:21,282 INFO L225 Difference]: With dead ends: 3508 [2024-11-18 16:39:21,283 INFO L226 Difference]: Without dead ends: 1813 [2024-11-18 16:39:21,288 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 [2024-11-18 16:39:21,290 INFO L432 NwaCegarLoop]: 2693 mSDtfsCounter, 0 mSDsluCounter, 5370 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8063 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 16:39:21,290 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8063 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 16:39:21,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1813 states. [2024-11-18 16:39:21,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1813 to 1809. [2024-11-18 16:39:21,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1809 states, 1808 states have (on average 1.4972345132743363) internal successors, (2707), 1808 states have internal predecessors, (2707), 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) [2024-11-18 16:39:21,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 1809 states and 2707 transitions. [2024-11-18 16:39:21,333 INFO L78 Accepts]: Start accepts. Automaton has 1809 states and 2707 transitions. Word has length 110 [2024-11-18 16:39:21,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 16:39:21,334 INFO L471 AbstractCegarLoop]: Abstraction has 1809 states and 2707 transitions. [2024-11-18 16:39:21,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 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) [2024-11-18 16:39:21,335 INFO L276 IsEmpty]: Start isEmpty. Operand 1809 states and 2707 transitions. [2024-11-18 16:39:21,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-18 16:39:21,336 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 16:39:21,336 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] [2024-11-18 16:39:21,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-18 16:39:21,337 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 16:39:21,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 16:39:21,337 INFO L85 PathProgramCache]: Analyzing trace with hash -2049224239, now seen corresponding path program 1 times [2024-11-18 16:39:21,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 16:39:21,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656819776] [2024-11-18 16:39:21,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 16:39:21,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 16:39:21,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 16:39:21,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 16:39:21,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 16:39:21,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656819776] [2024-11-18 16:39:21,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656819776] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 16:39:21,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 16:39:21,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 16:39:21,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554715627] [2024-11-18 16:39:21,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 16:39:21,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 16:39:21,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 16:39:21,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 16:39:21,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 16:39:21,679 INFO L87 Difference]: Start difference. First operand 1809 states and 2707 transitions. Second operand has 5 states, 5 states have (on average 22.2) internal successors, (111), 5 states have internal predecessors, (111), 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) [2024-11-18 16:39:23,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 16:39:23,748 INFO L93 Difference]: Finished difference Result 5183 states and 7757 transitions. [2024-11-18 16:39:23,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 16:39:23,749 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 5 states have internal predecessors, (111), 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 111 [2024-11-18 16:39:23,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 16:39:23,768 INFO L225 Difference]: With dead ends: 5183 [2024-11-18 16:39:23,768 INFO L226 Difference]: Without dead ends: 3488 [2024-11-18 16:39:23,771 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 [2024-11-18 16:39:23,772 INFO L432 NwaCegarLoop]: 2084 mSDtfsCounter, 2579 mSDsluCounter, 6118 mSDsCounter, 0 mSdLazyCounter, 2409 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2579 SdHoareTripleChecker+Valid, 8202 SdHoareTripleChecker+Invalid, 2410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-18 16:39:23,773 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2579 Valid, 8202 Invalid, 2410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2409 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-18 16:39:23,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3488 states. [2024-11-18 16:39:23,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3488 to 1888. [2024-11-18 16:39:23,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1888 states, 1887 states have (on average 1.4965553789083201) internal successors, (2824), 1887 states have internal predecessors, (2824), 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) [2024-11-18 16:39:23,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1888 states to 1888 states and 2824 transitions. [2024-11-18 16:39:23,814 INFO L78 Accepts]: Start accepts. Automaton has 1888 states and 2824 transitions. Word has length 111 [2024-11-18 16:39:23,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 16:39:23,815 INFO L471 AbstractCegarLoop]: Abstraction has 1888 states and 2824 transitions. [2024-11-18 16:39:23,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 5 states have internal predecessors, (111), 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) [2024-11-18 16:39:23,815 INFO L276 IsEmpty]: Start isEmpty. Operand 1888 states and 2824 transitions. [2024-11-18 16:39:23,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-18 16:39:23,816 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 16:39:23,817 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] [2024-11-18 16:39:23,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-18 16:39:23,817 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 16:39:23,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 16:39:23,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1132542867, now seen corresponding path program 1 times [2024-11-18 16:39:23,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 16:39:23,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695548219] [2024-11-18 16:39:23,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 16:39:23,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 16:39:23,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 16:39:24,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 16:39:24,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 16:39:24,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695548219] [2024-11-18 16:39:24,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695548219] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 16:39:24,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 16:39:24,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 16:39:24,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96784717] [2024-11-18 16:39:24,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 16:39:24,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 16:39:24,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 16:39:24,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 16:39:24,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-18 16:39:24,346 INFO L87 Difference]: Start difference. First operand 1888 states and 2824 transitions. Second operand has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 6 states have internal predecessors, (112), 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) [2024-11-18 16:39:25,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 16:39:25,867 INFO L93 Difference]: Finished difference Result 3598 states and 5382 transitions. [2024-11-18 16:39:25,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 16:39:25,868 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 6 states have internal predecessors, (112), 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 112 [2024-11-18 16:39:25,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 16:39:25,875 INFO L225 Difference]: With dead ends: 3598 [2024-11-18 16:39:25,875 INFO L226 Difference]: Without dead ends: 1903 [2024-11-18 16:39:25,878 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-18 16:39:25,878 INFO L432 NwaCegarLoop]: 2065 mSDtfsCounter, 2612 mSDsluCounter, 6181 mSDsCounter, 0 mSdLazyCounter, 2533 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2612 SdHoareTripleChecker+Valid, 8246 SdHoareTripleChecker+Invalid, 2534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-18 16:39:25,879 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2612 Valid, 8246 Invalid, 2534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2533 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-18 16:39:25,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1903 states. [2024-11-18 16:39:25,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1903 to 1901. [2024-11-18 16:39:25,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1901 states, 1900 states have (on average 1.4942105263157894) internal successors, (2839), 1900 states have internal predecessors, (2839), 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) [2024-11-18 16:39:25,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1901 states to 1901 states and 2839 transitions. [2024-11-18 16:39:25,916 INFO L78 Accepts]: Start accepts. Automaton has 1901 states and 2839 transitions. Word has length 112 [2024-11-18 16:39:25,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 16:39:25,916 INFO L471 AbstractCegarLoop]: Abstraction has 1901 states and 2839 transitions. [2024-11-18 16:39:25,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 6 states have internal predecessors, (112), 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) [2024-11-18 16:39:25,919 INFO L276 IsEmpty]: Start isEmpty. Operand 1901 states and 2839 transitions. [2024-11-18 16:39:25,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-18 16:39:25,921 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 16:39:25,922 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] [2024-11-18 16:39:25,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-18 16:39:25,922 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 16:39:25,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 16:39:25,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1638871757, now seen corresponding path program 1 times [2024-11-18 16:39:25,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 16:39:25,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398402220] [2024-11-18 16:39:25,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 16:39:25,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 16:39:25,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 16:39:26,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 16:39:26,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 16:39:26,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398402220] [2024-11-18 16:39:26,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398402220] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 16:39:26,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 16:39:26,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 16:39:26,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968074807] [2024-11-18 16:39:26,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 16:39:26,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 16:39:26,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 16:39:26,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 16:39:26,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-18 16:39:26,201 INFO L87 Difference]: Start difference. First operand 1901 states and 2839 transitions. Second operand has 5 states, 5 states have (on average 22.6) internal successors, (113), 5 states have internal predecessors, (113), 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) [2024-11-18 16:39:27,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 16:39:27,536 INFO L93 Difference]: Finished difference Result 3606 states and 5388 transitions. [2024-11-18 16:39:27,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 16:39:27,536 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 5 states have internal predecessors, (113), 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 113 [2024-11-18 16:39:27,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 16:39:27,543 INFO L225 Difference]: With dead ends: 3606 [2024-11-18 16:39:27,543 INFO L226 Difference]: Without dead ends: 1901 [2024-11-18 16:39:27,545 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-18 16:39:27,547 INFO L432 NwaCegarLoop]: 2074 mSDtfsCounter, 2592 mSDsluCounter, 4137 mSDsCounter, 0 mSdLazyCounter, 1859 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2592 SdHoareTripleChecker+Valid, 6211 SdHoareTripleChecker+Invalid, 1860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1859 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-18 16:39:27,547 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2592 Valid, 6211 Invalid, 1860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1859 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-18 16:39:27,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1901 states. [2024-11-18 16:39:27,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1901 to 1888. [2024-11-18 16:39:27,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1888 states, 1887 states have (on average 1.494435612082671) internal successors, (2820), 1887 states have internal predecessors, (2820), 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) [2024-11-18 16:39:27,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1888 states to 1888 states and 2820 transitions. [2024-11-18 16:39:27,587 INFO L78 Accepts]: Start accepts. Automaton has 1888 states and 2820 transitions. Word has length 113 [2024-11-18 16:39:27,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 16:39:27,588 INFO L471 AbstractCegarLoop]: Abstraction has 1888 states and 2820 transitions. [2024-11-18 16:39:27,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 5 states have internal predecessors, (113), 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) [2024-11-18 16:39:27,588 INFO L276 IsEmpty]: Start isEmpty. Operand 1888 states and 2820 transitions. [2024-11-18 16:39:27,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-18 16:39:27,589 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 16:39:27,589 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] [2024-11-18 16:39:27,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-18 16:39:27,590 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 16:39:27,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 16:39:27,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1068437458, now seen corresponding path program 1 times [2024-11-18 16:39:27,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 16:39:27,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77196641] [2024-11-18 16:39:27,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 16:39:27,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 16:39:27,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 16:39:27,645 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-18 16:39:27,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 16:39:27,776 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-18 16:39:27,777 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-18 16:39:27,778 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-18 16:39:27,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-18 16:39:27,784 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 16:39:27,892 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-18 16:39:27,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 04:39:27 BoogieIcfgContainer [2024-11-18 16:39:27,899 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-18 16:39:27,899 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-18 16:39:27,899 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-18 16:39:27,900 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-18 16:39:27,900 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:39:18" (3/4) ... [2024-11-18 16:39:27,903 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-18 16:39:27,904 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-18 16:39:27,905 INFO L158 Benchmark]: Toolchain (without parser) took 18136.42ms. Allocated memory was 125.8MB in the beginning and 1.0GB in the end (delta: 912.3MB). Free memory was 70.3MB in the beginning and 735.1MB in the end (delta: -664.8MB). Peak memory consumption was 249.6MB. Max. memory is 16.1GB. [2024-11-18 16:39:27,905 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 125.8MB. Free memory is still 95.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 16:39:27,905 INFO L158 Benchmark]: CACSL2BoogieTranslator took 910.89ms. Allocated memory was 125.8MB in the beginning and 176.2MB in the end (delta: 50.3MB). Free memory was 69.9MB in the beginning and 89.8MB in the end (delta: -19.9MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. [2024-11-18 16:39:27,908 INFO L158 Benchmark]: Boogie Procedure Inliner took 811.61ms. Allocated memory was 176.2MB in the beginning and 352.3MB in the end (delta: 176.2MB). Free memory was 89.8MB in the beginning and 206.0MB in the end (delta: -116.2MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. [2024-11-18 16:39:27,908 INFO L158 Benchmark]: Boogie Preprocessor took 725.65ms. Allocated memory is still 352.3MB. Free memory was 206.0MB in the beginning and 172.0MB in the end (delta: 34.1MB). Peak memory consumption was 54.0MB. Max. memory is 16.1GB. [2024-11-18 16:39:27,908 INFO L158 Benchmark]: RCFGBuilder took 5907.10ms. Allocated memory was 352.3MB in the beginning and 704.6MB in the end (delta: 352.3MB). Free memory was 172.0MB in the beginning and 416.3MB in the end (delta: -244.3MB). Peak memory consumption was 372.2MB. Max. memory is 16.1GB. [2024-11-18 16:39:27,909 INFO L158 Benchmark]: TraceAbstraction took 9768.97ms. Allocated memory was 704.6MB in the beginning and 1.0GB in the end (delta: 333.4MB). Free memory was 415.2MB in the beginning and 735.1MB in the end (delta: -319.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-18 16:39:27,909 INFO L158 Benchmark]: Witness Printer took 4.65ms. Allocated memory is still 1.0GB. Free memory is still 735.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 16:39:27,910 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 125.8MB. Free memory is still 95.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 910.89ms. Allocated memory was 125.8MB in the beginning and 176.2MB in the end (delta: 50.3MB). Free memory was 69.9MB in the beginning and 89.8MB in the end (delta: -19.9MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 811.61ms. Allocated memory was 176.2MB in the beginning and 352.3MB in the end (delta: 176.2MB). Free memory was 89.8MB in the beginning and 206.0MB in the end (delta: -116.2MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 725.65ms. Allocated memory is still 352.3MB. Free memory was 206.0MB in the beginning and 172.0MB in the end (delta: 34.1MB). Peak memory consumption was 54.0MB. Max. memory is 16.1GB. * RCFGBuilder took 5907.10ms. Allocated memory was 352.3MB in the beginning and 704.6MB in the end (delta: 352.3MB). Free memory was 172.0MB in the beginning and 416.3MB in the end (delta: -244.3MB). Peak memory consumption was 372.2MB. Max. memory is 16.1GB. * TraceAbstraction took 9768.97ms. Allocated memory was 704.6MB in the beginning and 1.0GB in the end (delta: 333.4MB). Free memory was 415.2MB in the beginning and 735.1MB in the end (delta: -319.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 4.65ms. Allocated memory is still 1.0GB. Free memory is still 735.1MB. 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 231. 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_4 var_63 = 1; [L41] const SORT_4 var_64 = 0; [L42] const SORT_2 var_74 = 0; [L43] const SORT_2 var_76 = 1; [L44] const SORT_3 var_91 = 0; [L45] const SORT_4 var_227 = 3; [L46] const SORT_2 var_239 = 3; [L47] const SORT_4 var_241 = 6; [L48] const SORT_4 var_343 = 2; [L50] SORT_1 input_73; [L51] SORT_1 input_75; [L52] SORT_1 input_80; [L53] SORT_1 input_81; [L54] SORT_1 input_85; [L55] SORT_1 input_86; [L56] SORT_1 input_90; [L57] SORT_1 input_98; [L58] SORT_1 input_105; [L59] SORT_1 input_112; [L60] SORT_1 input_116; [L61] SORT_1 input_117; [L62] SORT_1 input_131; [L63] SORT_1 input_135; [L64] SORT_1 input_136; [L65] SORT_1 input_150; [L66] SORT_1 input_154; [L67] SORT_1 input_155; [L68] SORT_1 input_176; [L69] SORT_1 input_179; [L70] SORT_1 input_195; [L71] SORT_1 input_198; [L72] SORT_1 input_214; [L73] SORT_1 input_217; [L75] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_227=3, var_239=3, var_241=6, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L75] SORT_2 state_6 = __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_227=3, var_239=3, var_241=6, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L76] SORT_2 state_8 = __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_227=3, var_239=3, var_241=6, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L77] SORT_2 state_10 = __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_227=3, var_239=3, var_241=6, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L78] SORT_2 state_12 = __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_227=3, var_239=3, var_241=6, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L79] SORT_2 state_14 = __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_227=3, var_239=3, var_241=6, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L80] SORT_2 state_16 = __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_227=3, var_239=3, var_241=6, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L81] SORT_2 state_18 = __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_227=3, var_239=3, var_241=6, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L82] SORT_2 state_20 = __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_227=3, var_239=3, var_241=6, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L83] SORT_2 state_22 = __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_227=3, var_239=3, var_241=6, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L84] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_227=3, var_239=3, var_241=6, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L85] SORT_2 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_227=3, var_239=3, var_241=6, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L86] SORT_2 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_227=3, var_239=3, var_241=6, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L87] SORT_1 state_31 = __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_227=3, var_239=3, var_241=6, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L88] SORT_1 state_33 = __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_227=3, var_239=3, var_241=6, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L89] SORT_1 state_35 = __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_227=3, var_239=3, var_241=6, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L90] SORT_1 state_37 = __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_227=3, var_239=3, var_241=6, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L91] SORT_1 state_39 = __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_227=3, var_239=3, var_241=6, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L92] SORT_1 state_41 = __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_227=3, var_239=3, var_241=6, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L93] SORT_1 state_43 = __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_227=3, var_239=3, var_241=6, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L94] SORT_1 state_45 = __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_227=3, var_239=3, var_241=6, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L95] SORT_1 state_47 = __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_227=3, var_239=3, var_241=6, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L96] SORT_1 state_49 = __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_227=3, var_239=3, var_241=6, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L97] SORT_1 state_51 = __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_227=3, var_239=3, var_241=6, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L98] SORT_1 state_53 = __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_227=3, var_239=3, var_241=6, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L99] SORT_1 state_55 = __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_227=3, var_239=3, var_241=6, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L100] SORT_1 state_57 = __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_227=3, var_239=3, var_241=6, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L101] SORT_1 state_59 = __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_227=3, var_239=3, var_241=6, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L102] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L104] SORT_2 init_7_arg_1 = var_5; [L105] state_6 = init_7_arg_1 [L106] SORT_2 init_9_arg_1 = var_5; [L107] state_8 = init_9_arg_1 [L108] SORT_2 init_11_arg_1 = var_5; [L109] state_10 = init_11_arg_1 [L110] SORT_2 init_13_arg_1 = var_5; [L111] state_12 = init_13_arg_1 [L112] SORT_2 init_15_arg_1 = var_5; [L113] state_14 = init_15_arg_1 [L114] SORT_2 init_17_arg_1 = var_5; [L115] state_16 = init_17_arg_1 [L116] SORT_2 init_19_arg_1 = var_5; [L117] state_18 = init_19_arg_1 [L118] SORT_2 init_21_arg_1 = var_5; [L119] state_20 = init_21_arg_1 [L120] SORT_2 init_23_arg_1 = var_5; [L121] state_22 = init_23_arg_1 [L122] SORT_2 init_25_arg_1 = var_5; [L123] state_24 = init_25_arg_1 [L124] SORT_2 init_27_arg_1 = var_5; [L125] state_26 = init_27_arg_1 [L126] SORT_2 init_29_arg_1 = var_5; [L127] state_28 = init_29_arg_1 [L128] SORT_1 init_32_arg_1 = var_30; [L129] state_31 = init_32_arg_1 [L130] SORT_1 init_34_arg_1 = var_30; [L131] state_33 = init_34_arg_1 [L132] SORT_1 init_36_arg_1 = var_30; [L133] state_35 = init_36_arg_1 [L134] SORT_1 init_38_arg_1 = var_30; [L135] state_37 = init_38_arg_1 [L136] SORT_1 init_40_arg_1 = var_30; [L137] state_39 = init_40_arg_1 [L138] SORT_1 init_42_arg_1 = var_30; [L139] state_41 = init_42_arg_1 [L140] SORT_1 init_44_arg_1 = var_30; [L141] state_43 = init_44_arg_1 [L142] SORT_1 init_46_arg_1 = var_30; [L143] state_45 = init_46_arg_1 [L144] SORT_1 init_48_arg_1 = var_30; [L145] state_47 = init_48_arg_1 [L146] SORT_1 init_50_arg_1 = var_30; [L147] state_49 = init_50_arg_1 [L148] SORT_1 init_52_arg_1 = var_30; [L149] state_51 = init_52_arg_1 [L150] SORT_1 init_54_arg_1 = var_30; [L151] state_53 = init_54_arg_1 [L152] SORT_1 init_56_arg_1 = var_30; [L153] state_55 = init_56_arg_1 [L154] SORT_1 init_58_arg_1 = var_30; [L155] state_57 = init_58_arg_1 [L156] SORT_1 init_60_arg_1 = var_30; [L157] state_59 = init_60_arg_1 [L158] SORT_1 init_62_arg_1 = var_30; [L159] state_61 = init_62_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_6=0, state_8=0, var_227=3, var_239=3, var_241=6, var_343=2, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L162] input_73 = __VERIFIER_nondet_uchar() [L163] EXPR input_73 & 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_6=0, state_8=0, var_227=3, var_239=3, var_241=6, var_343=2, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L163] input_73 = input_73 & mask_SORT_1 [L164] input_75 = __VERIFIER_nondet_uchar() [L165] EXPR input_75 & mask_SORT_1 VAL [input_73=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_6=0, state_8=0, var_227=3, var_239=3, var_241=6, var_343=2, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L165] input_75 = input_75 & mask_SORT_1 [L166] input_80 = __VERIFIER_nondet_uchar() [L167] EXPR input_80 & mask_SORT_1 VAL [input_73=0, input_75=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_6=0, state_8=0, var_227=3, var_239=3, var_241=6, var_343=2, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L167] input_80 = input_80 & mask_SORT_1 [L168] input_81 = __VERIFIER_nondet_uchar() [L169] EXPR input_81 & mask_SORT_1 VAL [input_73=0, input_75=0, input_80=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_6=0, state_8=0, var_227=3, var_239=3, var_241=6, var_343=2, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L169] input_81 = input_81 & mask_SORT_1 [L170] input_85 = __VERIFIER_nondet_uchar() [L171] EXPR input_85 & mask_SORT_1 VAL [input_73=0, input_75=0, input_80=0, input_81=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_6=0, state_8=0, var_227=3, var_239=3, var_241=6, var_343=2, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L171] input_85 = input_85 & mask_SORT_1 [L172] input_86 = __VERIFIER_nondet_uchar() [L173] EXPR input_86 & mask_SORT_1 VAL [input_73=0, input_75=0, input_80=0, input_81=0, input_85=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_6=0, state_8=0, var_227=3, var_239=3, var_241=6, var_343=2, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L173] input_86 = input_86 & mask_SORT_1 [L174] input_90 = __VERIFIER_nondet_uchar() [L175] EXPR input_90 & mask_SORT_1 VAL [input_73=0, input_75=0, input_80=0, input_81=0, input_85=0, input_86=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_6=0, state_8=0, var_227=3, var_239=3, var_241=6, var_343=2, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L175] input_90 = input_90 & mask_SORT_1 [L176] input_98 = __VERIFIER_nondet_uchar() [L177] EXPR input_98 & mask_SORT_1 VAL [input_73=0, input_75=0, input_80=0, input_81=0, input_85=0, input_86=0, input_90=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_6=0, state_8=0, var_227=3, var_239=3, var_241=6, var_343=2, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L177] input_98 = input_98 & mask_SORT_1 [L178] input_105 = __VERIFIER_nondet_uchar() [L179] EXPR input_105 & mask_SORT_1 VAL [input_73=0, input_75=0, input_80=0, input_81=0, input_85=0, input_86=0, input_90=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_6=0, state_8=0, var_227=3, var_239=3, var_241=6, var_343=2, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L179] input_105 = input_105 & mask_SORT_1 [L180] input_112 = __VERIFIER_nondet_uchar() [L181] EXPR input_112 & mask_SORT_1 VAL [input_105=0, input_73=0, input_75=0, input_80=0, input_81=0, input_85=0, input_86=0, input_90=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_6=0, state_8=0, var_227=3, var_239=3, var_241=6, var_343=2, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L181] input_112 = input_112 & mask_SORT_1 [L182] input_116 = __VERIFIER_nondet_uchar() [L183] EXPR input_116 & mask_SORT_1 VAL [input_105=0, input_112=0, input_73=0, input_75=0, input_80=0, input_81=0, input_85=0, input_86=0, input_90=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_6=0, state_8=0, var_227=3, var_239=3, var_241=6, var_343=2, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L183] input_116 = input_116 & mask_SORT_1 [L184] input_117 = __VERIFIER_nondet_uchar() [L185] EXPR input_117 & mask_SORT_1 VAL [input_105=0, input_112=0, input_116=0, input_73=0, input_75=0, input_80=0, input_81=0, input_85=0, input_86=0, input_90=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_6=0, state_8=0, var_227=3, var_239=3, var_241=6, var_343=2, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L185] input_117 = input_117 & mask_SORT_1 [L186] input_131 = __VERIFIER_nondet_uchar() [L187] EXPR input_131 & mask_SORT_1 VAL [input_105=0, input_112=0, input_116=0, input_117=0, input_73=0, input_75=0, input_80=0, input_81=0, input_85=0, input_86=0, input_90=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_6=0, state_8=0, var_227=3, var_239=3, var_241=6, var_343=2, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L187] input_131 = input_131 & mask_SORT_1 [L188] input_135 = __VERIFIER_nondet_uchar() [L189] EXPR input_135 & mask_SORT_1 VAL [input_105=0, input_112=0, input_116=0, input_117=0, input_131=0, input_73=0, input_75=0, input_80=0, input_81=0, input_85=0, input_86=0, input_90=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_6=0, state_8=0, var_227=3, var_239=3, var_241=6, var_343=2, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L189] input_135 = input_135 & mask_SORT_1 [L190] input_136 = __VERIFIER_nondet_uchar() [L191] EXPR input_136 & mask_SORT_1 VAL [input_105=0, input_112=0, input_116=0, input_117=0, input_131=0, input_135=0, input_73=0, input_75=0, input_80=0, input_81=0, input_85=0, input_86=0, input_90=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_6=0, state_8=0, var_227=3, var_239=3, var_241=6, var_343=2, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L191] input_136 = input_136 & mask_SORT_1 [L192] input_150 = __VERIFIER_nondet_uchar() [L193] EXPR input_150 & mask_SORT_1 VAL [input_105=0, input_112=0, input_116=0, input_117=0, input_131=0, input_135=0, input_136=0, input_73=0, input_75=0, input_80=0, input_81=0, input_85=0, input_86=0, input_90=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_6=0, state_8=0, var_227=3, var_239=3, var_241=6, var_343=2, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L193] input_150 = input_150 & mask_SORT_1 [L194] input_154 = __VERIFIER_nondet_uchar() [L195] EXPR input_154 & mask_SORT_1 VAL [input_105=0, input_112=0, input_116=0, input_117=0, input_131=0, input_135=0, input_136=0, input_150=0, input_73=0, input_75=0, input_80=0, input_81=0, input_85=0, input_86=0, input_90=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_6=0, state_8=0, var_227=3, var_239=3, var_241=6, var_343=2, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L195] input_154 = input_154 & mask_SORT_1 [L196] input_155 = __VERIFIER_nondet_uchar() [L197] EXPR input_155 & mask_SORT_1 VAL [input_105=0, input_112=0, input_116=0, input_117=0, input_131=0, input_135=0, input_136=0, input_150=0, input_154=0, input_73=0, input_75=0, input_80=0, input_81=0, input_85=0, input_86=0, input_90=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_6=0, state_8=0, var_227=3, var_239=3, var_241=6, var_343=2, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L197] input_155 = input_155 & mask_SORT_1 [L198] input_176 = __VERIFIER_nondet_uchar() [L199] input_179 = __VERIFIER_nondet_uchar() [L200] input_195 = __VERIFIER_nondet_uchar() [L201] input_198 = __VERIFIER_nondet_uchar() [L202] input_214 = __VERIFIER_nondet_uchar() [L203] input_217 = __VERIFIER_nondet_uchar() [L206] SORT_1 var_65_arg_0 = state_39; [L207] SORT_4 var_65_arg_1 = var_63; [L208] SORT_4 var_65_arg_2 = var_64; [L209] SORT_4 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L210] SORT_1 var_66_arg_0 = state_49; [L211] SORT_4 var_66_arg_1 = var_63; [L212] SORT_4 var_66_arg_2 = var_64; [L213] SORT_4 var_66 = var_66_arg_0 ? var_66_arg_1 : var_66_arg_2; [L214] SORT_4 var_67_arg_0 = var_65; [L215] SORT_4 var_67_arg_1 = var_66; [L216] SORT_4 var_67 = var_67_arg_0 + var_67_arg_1; [L217] SORT_1 var_68_arg_0 = state_59; [L218] SORT_4 var_68_arg_1 = var_63; [L219] SORT_4 var_68_arg_2 = var_64; [L220] SORT_4 var_68 = var_68_arg_0 ? var_68_arg_1 : var_68_arg_2; [L221] SORT_4 var_69_arg_0 = var_67; [L222] SORT_4 var_69_arg_1 = var_68; [L223] SORT_4 var_69 = var_69_arg_0 + var_69_arg_1; VAL [input_105=0, input_112=0, input_116=0, input_117=0, input_131=0, input_135=0, input_136=0, input_150=0, input_154=0, input_155=0, input_73=0, input_75=0, input_80=0, input_81=0, input_85=0, input_86=0, input_90=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_6=0, state_8=0, var_227=3, var_239=3, var_241=6, var_343=2, var_63=1, var_64=0, var_69=0, var_74=0, var_76=1, var_91=0] [L224] EXPR var_69 & mask_SORT_4 VAL [input_105=0, input_112=0, input_116=0, input_117=0, input_131=0, input_135=0, input_136=0, input_150=0, input_154=0, input_155=0, input_73=0, input_75=0, input_80=0, input_81=0, input_85=0, input_86=0, input_90=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_6=0, state_8=0, var_227=3, var_239=3, var_241=6, var_343=2, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L224] var_69 = var_69 & mask_SORT_4 [L225] SORT_4 var_70_arg_0 = var_69; [L226] SORT_4 var_70_arg_1 = var_63; [L227] SORT_1 var_70 = var_70_arg_0 <= var_70_arg_1; [L228] SORT_1 var_71_arg_0 = ~state_61; VAL [input_105=0, input_112=0, input_116=0, input_117=0, input_131=0, input_135=0, input_136=0, input_150=0, input_154=0, input_155=0, input_73=0, input_75=0, input_80=0, input_81=0, input_85=0, input_86=0, input_90=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_6=0, state_8=0, var_227=3, var_239=3, var_241=6, var_343=2, var_63=1, var_64=0, var_70=1, var_71_arg_0=-1, var_74=0, var_76=1, var_91=0] [L229] EXPR var_71_arg_0 & mask_SORT_1 VAL [input_105=0, input_112=0, input_116=0, input_117=0, input_131=0, input_135=0, input_136=0, input_150=0, input_154=0, input_155=0, input_73=0, input_75=0, input_80=0, input_81=0, input_85=0, input_86=0, input_90=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_6=0, state_8=0, var_227=3, var_239=3, var_241=6, var_343=2, var_63=1, var_64=0, var_70=1, var_74=0, var_76=1, var_91=0] [L229] var_71_arg_0 = var_71_arg_0 & mask_SORT_1 [L230] SORT_1 var_71_arg_1 = ~var_70; VAL [input_105=0, input_112=0, input_116=0, input_117=0, input_131=0, input_135=0, input_136=0, input_150=0, input_154=0, input_155=0, input_73=0, input_75=0, input_80=0, input_81=0, input_85=0, input_86=0, input_90=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_6=0, state_8=0, var_227=3, var_239=3, var_241=6, var_343=2, var_63=1, var_64=0, var_71_arg_0=1, var_71_arg_1=-2, var_74=0, var_76=1, var_91=0] [L231] EXPR var_71_arg_1 & mask_SORT_1 VAL [input_105=0, input_112=0, input_116=0, input_117=0, input_131=0, input_135=0, input_136=0, input_150=0, input_154=0, input_155=0, input_73=0, input_75=0, input_80=0, input_81=0, input_85=0, input_86=0, input_90=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_6=0, state_8=0, var_227=3, var_239=3, var_241=6, var_343=2, var_63=1, var_64=0, var_71_arg_0=1, var_74=0, var_76=1, var_91=0] [L231] var_71_arg_1 = var_71_arg_1 & mask_SORT_1 [L232] EXPR var_71_arg_0 & var_71_arg_1 VAL [input_105=0, input_112=0, input_116=0, input_117=0, input_131=0, input_135=0, input_136=0, input_150=0, input_154=0, input_155=0, input_73=0, input_75=0, input_80=0, input_81=0, input_85=0, input_86=0, input_90=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_6=0, state_8=0, var_227=3, var_239=3, var_241=6, var_343=2, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L232] SORT_1 var_71 = var_71_arg_0 & var_71_arg_1; [L233] EXPR var_71 & mask_SORT_1 VAL [input_105=0, input_112=0, input_116=0, input_117=0, input_131=0, input_135=0, input_136=0, input_150=0, input_154=0, input_155=0, input_73=0, input_75=0, input_80=0, input_81=0, input_85=0, input_86=0, input_90=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_6=0, state_8=0, var_227=3, var_239=3, var_241=6, var_343=2, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L233] var_71 = var_71 & mask_SORT_1 [L234] SORT_1 bad_72_arg_0 = var_71; [L235] CALL __VERIFIER_assert(!(bad_72_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1802 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.6s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7787 SdHoareTripleChecker+Valid, 4.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7787 mSDsluCounter, 54927 SdHoareTripleChecker+Invalid, 3.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 37932 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6870 IncrementalHoareTripleChecker+Invalid, 6874 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 16995 mSDtfsCounter, 6870 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1901occurred in iteration=6, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 1619 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 883 NumberOfCodeBlocks, 883 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 763 ConstructedInterpolants, 0 QuantifiedInterpolants, 2235 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 [2024-11-18 16:39:27,948 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/11.0.12-open/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 ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.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 8f99c9b906e0ce9dfb5a1fdac7e796a2c68c541e986f60427db8a196999b6c01 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 16:39:30,328 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 16:39:30,417 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-18 16:39:30,425 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 16:39:30,426 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 16:39:30,460 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 16:39:30,463 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 16:39:30,463 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 16:39:30,464 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 16:39:30,464 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 16:39:30,464 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 16:39:30,465 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 16:39:30,466 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 16:39:30,468 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 16:39:30,468 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 16:39:30,469 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 16:39:30,469 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 16:39:30,469 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 16:39:30,469 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 16:39:30,470 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 16:39:30,470 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 16:39:30,474 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-18 16:39:30,474 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-18 16:39:30,474 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 16:39:30,475 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-18 16:39:30,475 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 16:39:30,475 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 16:39:30,475 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 16:39:30,476 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 16:39:30,476 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 16:39:30,476 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 16:39:30,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 16:39:30,477 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 16:39:30,477 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 16:39:30,477 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 16:39:30,478 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-18 16:39:30,478 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-18 16:39:30,478 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 16:39:30,479 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 16:39:30,479 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 16:39:30,480 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 16:39:30,480 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f99c9b906e0ce9dfb5a1fdac7e796a2c68c541e986f60427db8a196999b6c01 [2024-11-18 16:39:30,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 16:39:30,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 16:39:30,883 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 16:39:30,884 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 16:39:30,885 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 16:39:30,886 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.4.prop1-func-interl.c [2024-11-18 16:39:32,376 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 16:39:32,682 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 16:39:32,683 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.4.prop1-func-interl.c [2024-11-18 16:39:32,708 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c7fd8d7d/18deb416b2cc48b79893be8576f38fc9/FLAG950981c82 [2024-11-18 16:39:32,725 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c7fd8d7d/18deb416b2cc48b79893be8576f38fc9 [2024-11-18 16:39:32,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 16:39:32,730 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 16:39:32,732 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 16:39:32,733 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 16:39:32,738 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 16:39:32,739 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:39:32" (1/1) ... [2024-11-18 16:39:32,740 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@174433c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:32, skipping insertion in model container [2024-11-18 16:39:32,742 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:39:32" (1/1) ... [2024-11-18 16:39:32,808 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 16:39:33,050 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.4.prop1-func-interl.c[1173,1186] [2024-11-18 16:39:33,368 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 16:39:33,379 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 16:39:33,395 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.4.prop1-func-interl.c[1173,1186] [2024-11-18 16:39:33,528 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 16:39:33,546 INFO L204 MainTranslator]: Completed translation [2024-11-18 16:39:33,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:33 WrapperNode [2024-11-18 16:39:33,547 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 16:39:33,548 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 16:39:33,549 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 16:39:33,549 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 16:39:33,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:33" (1/1) ... [2024-11-18 16:39:33,592 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:33" (1/1) ... [2024-11-18 16:39:33,719 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1650 [2024-11-18 16:39:33,719 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 16:39:33,720 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 16:39:33,720 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 16:39:33,720 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 16:39:33,731 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:33" (1/1) ... [2024-11-18 16:39:33,732 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:33" (1/1) ... [2024-11-18 16:39:33,746 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:33" (1/1) ... [2024-11-18 16:39:33,797 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]. [2024-11-18 16:39:33,801 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:33" (1/1) ... [2024-11-18 16:39:33,802 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:33" (1/1) ... [2024-11-18 16:39:33,847 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:33" (1/1) ... [2024-11-18 16:39:33,856 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:33" (1/1) ... [2024-11-18 16:39:33,867 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:33" (1/1) ... [2024-11-18 16:39:33,875 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:33" (1/1) ... [2024-11-18 16:39:33,891 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 16:39:33,893 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 16:39:33,893 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 16:39:33,894 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 16:39:33,895 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:33" (1/1) ... [2024-11-18 16:39:33,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 16:39:33,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 16:39:33,932 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) [2024-11-18 16:39:33,967 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 [2024-11-18 16:39:34,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 16:39:34,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-18 16:39:34,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 16:39:34,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 16:39:34,371 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 16:39:34,373 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 16:39:36,360 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2024-11-18 16:39:36,360 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 16:39:36,371 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 16:39:36,373 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 16:39:36,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:39:36 BoogieIcfgContainer [2024-11-18 16:39:36,373 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 16:39:36,376 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 16:39:36,376 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 16:39:36,379 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 16:39:36,379 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 04:39:32" (1/3) ... [2024-11-18 16:39:36,380 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56ced0a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:39:36, skipping insertion in model container [2024-11-18 16:39:36,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:33" (2/3) ... [2024-11-18 16:39:36,380 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56ced0a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:39:36, skipping insertion in model container [2024-11-18 16:39:36,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:39:36" (3/3) ... [2024-11-18 16:39:36,382 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.bakery.4.prop1-func-interl.c [2024-11-18 16:39:36,398 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 16:39:36,399 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 16:39:36,458 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 16:39:36,465 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;@103d0ac4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 16:39:36,465 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 16:39:36,469 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 16:39:36,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-18 16:39:36,475 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 16:39:36,476 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-18 16:39:36,477 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 16:39:36,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 16:39:36,484 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-18 16:39:36,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 16:39:36,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [506865791] [2024-11-18 16:39:36,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 16:39:36,500 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 [2024-11-18 16:39:36,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 16:39:36,504 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) [2024-11-18 16:39:36,505 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 [2024-11-18 16:39:36,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 16:39:36,880 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-18 16:39:36,904 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 16:39:37,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 16:39:37,243 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 16:39:37,244 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 16:39:37,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [506865791] [2024-11-18 16:39:37,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [506865791] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 16:39:37,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 16:39:37,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 16:39:37,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263487983] [2024-11-18 16:39:37,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 16:39:37,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 16:39:37,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 16:39:37,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 16:39:37,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 16:39:37,279 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 16:39:37,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 16:39:37,421 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-11-18 16:39:37,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 16:39:37,423 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-18 16:39:37,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 16:39:37,428 INFO L225 Difference]: With dead ends: 18 [2024-11-18 16:39:37,428 INFO L226 Difference]: Without dead ends: 10 [2024-11-18 16:39:37,430 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 [2024-11-18 16:39:37,433 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 16:39:37,434 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 16:39:37,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-18 16:39:37,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-18 16:39:37,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 16:39:37,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-18 16:39:37,473 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-18 16:39:37,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 16:39:37,474 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-18 16:39:37,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 16:39:37,474 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-18 16:39:37,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-18 16:39:37,475 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 16:39:37,475 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-18 16:39:37,483 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 (2)] Ended with exit code 0 [2024-11-18 16:39:37,675 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 [2024-11-18 16:39:37,676 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 16:39:37,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 16:39:37,677 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-18 16:39:37,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 16:39:37,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1037421347] [2024-11-18 16:39:37,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 16:39:37,681 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 [2024-11-18 16:39:37,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 16:39:37,683 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) [2024-11-18 16:39:37,684 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 [2024-11-18 16:39:38,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 16:39:38,253 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-18 16:39:38,273 INFO L278 TraceCheckSpWp]: Computing forward predicates...