./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/Rump_float.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/Rump_float.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-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 32bit --witnessprinter.graph.data.programhash b840a1d491be18d4f22349042aa6b7f6d299141e2db3e10f317f2629f2683994 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-21 23:06:07,827 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 23:06:07,890 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-21 23:06:07,894 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 23:06:07,897 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 23:06:07,936 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 23:06:07,936 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 23:06:07,937 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 23:06:07,938 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-21 23:06:07,938 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-21 23:06:07,938 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 23:06:07,939 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 23:06:07,940 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 23:06:07,942 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 23:06:07,943 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 23:06:07,943 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 23:06:07,943 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 23:06:07,944 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 23:06:07,944 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-21 23:06:07,944 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 23:06:07,945 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 23:06:07,945 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 23:06:07,945 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 23:06:07,946 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 23:06:07,949 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-21 23:06:07,950 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 23:06:07,950 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 23:06:07,950 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 23:06:07,951 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 23:06:07,951 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 23:06:07,951 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 23:06:07,951 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 23:06:07,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-21 23:06:07,952 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 23:06:07,952 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 23:06:07,952 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 23:06:07,953 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-21 23:06:07,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-21 23:06:07,956 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 23:06:07,956 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-21 23:06:07,956 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-21 23:06:07,957 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-21 23:06:07,957 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b840a1d491be18d4f22349042aa6b7f6d299141e2db3e10f317f2629f2683994 [2024-11-21 23:06:08,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 23:06:08,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 23:06:08,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 23:06:08,241 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 23:06:08,242 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 23:06:08,243 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/Rump_float.c [2024-11-21 23:06:09,729 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-21 23:06:09,914 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 23:06:09,914 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/Rump_float.c [2024-11-21 23:06:09,921 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fec1153a2/5f6007d142614fb7a8c3fb94864a14ef/FLAG1c87bd2b1 [2024-11-21 23:06:09,933 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fec1153a2/5f6007d142614fb7a8c3fb94864a14ef [2024-11-21 23:06:09,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 23:06:09,937 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 23:06:09,938 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 23:06:09,938 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 23:06:09,943 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 23:06:09,944 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:06:09" (1/1) ... [2024-11-21 23:06:09,945 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6542a2f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:09, skipping insertion in model container [2024-11-21 23:06:09,945 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:06:09" (1/1) ... [2024-11-21 23:06:09,963 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 23:06:10,132 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/float-benchs/Rump_float.c[338,351] [2024-11-21 23:06:10,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 23:06:10,160 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 23:06:10,170 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/float-benchs/Rump_float.c[338,351] [2024-11-21 23:06:10,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 23:06:10,188 INFO L204 MainTranslator]: Completed translation [2024-11-21 23:06:10,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:10 WrapperNode [2024-11-21 23:06:10,188 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 23:06:10,189 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 23:06:10,189 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 23:06:10,190 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 23:06:10,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:10" (1/1) ... [2024-11-21 23:06:10,200 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:10" (1/1) ... [2024-11-21 23:06:10,216 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 24 [2024-11-21 23:06:10,216 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 23:06:10,217 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 23:06:10,217 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 23:06:10,217 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 23:06:10,226 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:10" (1/1) ... [2024-11-21 23:06:10,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:10" (1/1) ... [2024-11-21 23:06:10,228 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:10" (1/1) ... [2024-11-21 23:06:10,238 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]. [2024-11-21 23:06:10,238 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:10" (1/1) ... [2024-11-21 23:06:10,238 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:10" (1/1) ... [2024-11-21 23:06:10,242 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:10" (1/1) ... [2024-11-21 23:06:10,244 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:10" (1/1) ... [2024-11-21 23:06:10,245 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:10" (1/1) ... [2024-11-21 23:06:10,246 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:10" (1/1) ... [2024-11-21 23:06:10,247 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 23:06:10,248 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 23:06:10,248 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 23:06:10,248 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 23:06:10,249 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:10" (1/1) ... [2024-11-21 23:06:10,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-21 23:06:10,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-21 23:06:10,279 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) [2024-11-21 23:06:10,281 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 [2024-11-21 23:06:10,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 23:06:10,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 23:06:10,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 23:06:10,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-21 23:06:10,396 INFO L238 CfgBuilder]: Building ICFG [2024-11-21 23:06:10,398 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 23:06:10,511 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-21 23:06:10,512 INFO L287 CfgBuilder]: Performing block encoding [2024-11-21 23:06:10,530 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 23:06:10,530 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-21 23:06:10,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:06:10 BoogieIcfgContainer [2024-11-21 23:06:10,531 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 23:06:10,533 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 23:06:10,533 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 23:06:10,537 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 23:06:10,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 11:06:09" (1/3) ... [2024-11-21 23:06:10,538 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fd8047f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:06:10, skipping insertion in model container [2024-11-21 23:06:10,539 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:10" (2/3) ... [2024-11-21 23:06:10,540 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fd8047f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:06:10, skipping insertion in model container [2024-11-21 23:06:10,540 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:06:10" (3/3) ... [2024-11-21 23:06:10,542 INFO L112 eAbstractionObserver]: Analyzing ICFG Rump_float.c [2024-11-21 23:06:10,559 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 23:06:10,560 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-21 23:06:10,622 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-21 23:06:10,631 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;@42b54fdc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 23:06:10,632 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-21 23:06:10,637 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.2857142857142858) 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) [2024-11-21 23:06:10,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-21 23:06:10,642 INFO L207 NwaCegarLoop]: Found error trace [2024-11-21 23:06:10,643 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-21 23:06:10,643 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 23:06:10,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 23:06:10,648 INFO L85 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2024-11-21 23:06:10,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 23:06:10,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363596555] [2024-11-21 23:06:10,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 23:06:10,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 23:06:10,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 23:06:10,744 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-21 23:06:10,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 23:06:10,775 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-21 23:06:10,778 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-21 23:06:10,779 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-21 23:06:10,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-21 23:06:10,785 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-21 23:06:10,797 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-21 23:06:10,800 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 11:06:10 BoogieIcfgContainer [2024-11-21 23:06:10,800 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-21 23:06:10,802 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-21 23:06:10,803 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-21 23:06:10,803 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-21 23:06:10,803 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:06:10" (3/4) ... [2024-11-21 23:06:10,806 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-21 23:06:10,807 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-21 23:06:10,808 INFO L158 Benchmark]: Toolchain (without parser) took 871.17ms. Allocated memory is still 178.3MB. Free memory was 121.3MB in the beginning and 81.8MB in the end (delta: 39.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-11-21 23:06:10,808 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 178.3MB. Free memory is still 144.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-21 23:06:10,809 INFO L158 Benchmark]: CACSL2BoogieTranslator took 250.62ms. Allocated memory is still 178.3MB. Free memory was 121.0MB in the beginning and 109.0MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-21 23:06:10,809 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.14ms. Allocated memory is still 178.3MB. Free memory was 109.0MB in the beginning and 107.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-21 23:06:10,810 INFO L158 Benchmark]: Boogie Preprocessor took 30.16ms. Allocated memory is still 178.3MB. Free memory was 107.3MB in the beginning and 105.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-21 23:06:10,810 INFO L158 Benchmark]: RCFGBuilder took 282.92ms. Allocated memory is still 178.3MB. Free memory was 105.6MB in the beginning and 96.1MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-21 23:06:10,811 INFO L158 Benchmark]: TraceAbstraction took 267.43ms. Allocated memory is still 178.3MB. Free memory was 95.4MB in the beginning and 82.2MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-21 23:06:10,811 INFO L158 Benchmark]: Witness Printer took 4.73ms. Allocated memory is still 178.3MB. Free memory was 82.2MB in the beginning and 81.8MB in the end (delta: 347.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-21 23:06:10,813 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 178.3MB. Free memory is still 144.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 250.62ms. Allocated memory is still 178.3MB. Free memory was 121.0MB in the beginning and 109.0MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.14ms. Allocated memory is still 178.3MB. Free memory was 109.0MB in the beginning and 107.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.16ms. Allocated memory is still 178.3MB. Free memory was 107.3MB in the beginning and 105.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 282.92ms. Allocated memory is still 178.3MB. Free memory was 105.6MB in the beginning and 96.1MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 267.43ms. Allocated memory is still 178.3MB. Free memory was 95.4MB in the beginning and 82.2MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 4.73ms. Allocated memory is still 178.3MB. Free memory was 82.2MB in the beginning and 81.8MB in the end (delta: 347.6kB). 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: 6]: 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 someBinaryFLOATComparisonOperation at line 15, overapproximation of someBinaryArithmeticFLOAToperation at line 13. Possible FailurePath: [L10] float x,y,r; [L11] x = 77617.f [L12] y = 33096.f [L13] r = 333.75f * y*y*y*y*y*y + x*x * (11.0f * x*x*y*y - y*y*y*y*y*y - 121.0f * y*y*y*y - 2.0f) + 5.5f * y*y*y*y*y*y*y*y + x / (2.f * y) [L15] CALL __VERIFIER_assert((r >= 0)) [L6] COND TRUE !(cond) [L6] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 [2024-11-21 23:06:10,833 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/Rump_float.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-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 32bit --witnessprinter.graph.data.programhash b840a1d491be18d4f22349042aa6b7f6d299141e2db3e10f317f2629f2683994 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-21 23:06:13,059 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 23:06:13,144 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-21 23:06:13,151 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 23:06:13,151 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 23:06:13,187 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 23:06:13,188 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 23:06:13,190 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 23:06:13,191 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-21 23:06:13,191 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-21 23:06:13,191 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 23:06:13,192 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 23:06:13,193 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 23:06:13,195 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 23:06:13,195 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 23:06:13,196 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 23:06:13,196 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 23:06:13,196 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 23:06:13,196 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 23:06:13,197 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 23:06:13,197 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 23:06:13,202 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 23:06:13,202 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 23:06:13,202 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-21 23:06:13,203 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-21 23:06:13,203 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-21 23:06:13,203 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-21 23:06:13,203 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 23:06:13,204 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 23:06:13,204 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 23:06:13,204 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 23:06:13,204 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 23:06:13,204 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 23:06:13,205 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 23:06:13,205 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-21 23:06:13,205 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 23:06:13,205 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 23:06:13,206 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 23:06:13,206 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-21 23:06:13,206 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-21 23:06:13,206 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 23:06:13,207 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-21 23:06:13,208 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-21 23:06:13,208 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-21 23:06:13,208 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b840a1d491be18d4f22349042aa6b7f6d299141e2db3e10f317f2629f2683994 [2024-11-21 23:06:13,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 23:06:13,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 23:06:13,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 23:06:13,553 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 23:06:13,553 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 23:06:13,554 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/Rump_float.c [2024-11-21 23:06:15,168 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-21 23:06:15,382 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 23:06:15,383 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/Rump_float.c [2024-11-21 23:06:15,399 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/593616495/a0c4ae82134442d383c759d290a71bd5/FLAG2d92a9a4d [2024-11-21 23:06:15,754 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/593616495/a0c4ae82134442d383c759d290a71bd5 [2024-11-21 23:06:15,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 23:06:15,757 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 23:06:15,759 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 23:06:15,759 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 23:06:15,765 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 23:06:15,766 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:06:15" (1/1) ... [2024-11-21 23:06:15,767 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f0ec160 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:15, skipping insertion in model container [2024-11-21 23:06:15,767 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:06:15" (1/1) ... [2024-11-21 23:06:15,783 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 23:06:15,957 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/float-benchs/Rump_float.c[338,351] [2024-11-21 23:06:15,974 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 23:06:15,992 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 23:06:16,003 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/float-benchs/Rump_float.c[338,351] [2024-11-21 23:06:16,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 23:06:16,037 INFO L204 MainTranslator]: Completed translation [2024-11-21 23:06:16,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:16 WrapperNode [2024-11-21 23:06:16,038 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 23:06:16,039 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 23:06:16,039 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 23:06:16,039 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 23:06:16,046 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:16" (1/1) ... [2024-11-21 23:06:16,059 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:16" (1/1) ... [2024-11-21 23:06:16,079 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2024-11-21 23:06:16,080 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 23:06:16,081 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 23:06:16,081 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 23:06:16,081 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 23:06:16,091 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:16" (1/1) ... [2024-11-21 23:06:16,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:16" (1/1) ... [2024-11-21 23:06:16,094 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:16" (1/1) ... [2024-11-21 23:06:16,111 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]. [2024-11-21 23:06:16,111 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:16" (1/1) ... [2024-11-21 23:06:16,112 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:16" (1/1) ... [2024-11-21 23:06:16,118 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:16" (1/1) ... [2024-11-21 23:06:16,124 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:16" (1/1) ... [2024-11-21 23:06:16,125 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:16" (1/1) ... [2024-11-21 23:06:16,130 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:16" (1/1) ... [2024-11-21 23:06:16,133 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 23:06:16,136 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 23:06:16,136 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 23:06:16,136 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 23:06:16,137 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:16" (1/1) ... [2024-11-21 23:06:16,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-21 23:06:16,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-21 23:06:16,173 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) [2024-11-21 23:06:16,177 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 [2024-11-21 23:06:16,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 23:06:16,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 23:06:16,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 23:06:16,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-21 23:06:16,275 INFO L238 CfgBuilder]: Building ICFG [2024-11-21 23:06:16,278 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 23:06:20,759 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-21 23:06:20,760 INFO L287 CfgBuilder]: Performing block encoding [2024-11-21 23:06:20,773 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 23:06:20,774 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-21 23:06:20,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:06:20 BoogieIcfgContainer [2024-11-21 23:06:20,774 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 23:06:20,776 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 23:06:20,776 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 23:06:20,778 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 23:06:20,779 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 11:06:15" (1/3) ... [2024-11-21 23:06:20,779 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e630e3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:06:20, skipping insertion in model container [2024-11-21 23:06:20,779 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:06:16" (2/3) ... [2024-11-21 23:06:20,780 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e630e3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:06:20, skipping insertion in model container [2024-11-21 23:06:20,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:06:20" (3/3) ... [2024-11-21 23:06:20,781 INFO L112 eAbstractionObserver]: Analyzing ICFG Rump_float.c [2024-11-21 23:06:20,798 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 23:06:20,799 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-21 23:06:20,849 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-21 23:06:20,857 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;@489f8cb7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 23:06:20,857 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-21 23:06:20,861 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.2857142857142858) 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) [2024-11-21 23:06:20,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-21 23:06:20,867 INFO L207 NwaCegarLoop]: Found error trace [2024-11-21 23:06:20,867 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-21 23:06:20,868 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 23:06:20,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 23:06:20,875 INFO L85 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2024-11-21 23:06:20,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-21 23:06:20,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [582203590] [2024-11-21 23:06:20,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 23:06:20,888 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 [2024-11-21 23:06:20,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-21 23:06:20,895 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) [2024-11-21 23:06:20,897 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 [2024-11-21 23:06:22,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 23:06:22,228 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-21 23:06:22,237 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 23:06:22,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 23:06:22,688 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 23:06:22,688 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-21 23:06:22,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [582203590] [2024-11-21 23:06:22,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [582203590] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 23:06:22,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 23:06:22,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-21 23:06:22,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337637974] [2024-11-21 23:06:22,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 23:06:22,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 23:06:22,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-21 23:06:22,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 23:06:22,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-21 23:06:22,722 INFO L87 Difference]: Start difference. First operand has 9 states, 7 states have (on average 1.2857142857142858) 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) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 23:06:27,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.58s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-21 23:06:27,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-21 23:06:27,790 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2024-11-21 23:06:27,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 23:06:27,792 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-21 23:06:27,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-21 23:06:27,796 INFO L225 Difference]: With dead ends: 13 [2024-11-21 23:06:27,796 INFO L226 Difference]: Without dead ends: 0 [2024-11-21 23:06:27,798 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-21 23:06:27,802 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 5 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-21 23:06:27,804 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 7 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-21 23:06:27,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-21 23:06:27,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-21 23:06:27,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2024-11-21 23:06:27,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-21 23:06:27,826 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2024-11-21 23:06:27,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-21 23:06:27,826 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-21 23:06:27,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 23:06:27,826 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-21 23:06:27,826 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-21 23:06:27,829 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-21 23:06:27,870 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 [2024-11-21 23:06:28,031 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 [2024-11-21 23:06:28,034 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-21 23:06:28,036 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-21 23:06:28,041 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-21 23:06:28,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 11:06:28 BoogieIcfgContainer [2024-11-21 23:06:28,047 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-21 23:06:28,047 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-21 23:06:28,048 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-21 23:06:28,048 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-21 23:06:28,048 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:06:20" (3/4) ... [2024-11-21 23:06:28,050 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-21 23:06:28,055 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-21 23:06:28,056 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-21 23:06:28,056 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-21 23:06:28,056 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-21 23:06:28,130 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-21 23:06:28,130 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-21 23:06:28,131 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-21 23:06:28,132 INFO L158 Benchmark]: Toolchain (without parser) took 12373.82ms. Allocated memory is still 62.9MB. Free memory was 33.4MB in the beginning and 41.7MB in the end (delta: -8.2MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2024-11-21 23:06:28,134 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 52.4MB. Free memory is still 35.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-21 23:06:28,134 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.12ms. Allocated memory is still 62.9MB. Free memory was 33.3MB in the beginning and 38.4MB in the end (delta: -5.1MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2024-11-21 23:06:28,134 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.19ms. Allocated memory is still 62.9MB. Free memory was 38.4MB in the beginning and 36.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-21 23:06:28,136 INFO L158 Benchmark]: Boogie Preprocessor took 54.51ms. Allocated memory is still 62.9MB. Free memory was 36.9MB in the beginning and 34.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-21 23:06:28,136 INFO L158 Benchmark]: RCFGBuilder took 4638.11ms. Allocated memory is still 62.9MB. Free memory was 34.6MB in the beginning and 42.5MB in the end (delta: -8.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-21 23:06:28,136 INFO L158 Benchmark]: TraceAbstraction took 7271.30ms. Allocated memory is still 62.9MB. Free memory was 41.7MB in the beginning and 34.7MB in the end (delta: 7.0MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2024-11-21 23:06:28,137 INFO L158 Benchmark]: Witness Printer took 83.23ms. Allocated memory is still 62.9MB. Free memory was 34.7MB in the beginning and 41.7MB in the end (delta: -7.0MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2024-11-21 23:06:28,138 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 52.4MB. Free memory is still 35.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.12ms. Allocated memory is still 62.9MB. Free memory was 33.3MB in the beginning and 38.4MB in the end (delta: -5.1MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.19ms. Allocated memory is still 62.9MB. Free memory was 38.4MB in the beginning and 36.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.51ms. Allocated memory is still 62.9MB. Free memory was 36.9MB in the beginning and 34.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 4638.11ms. Allocated memory is still 62.9MB. Free memory was 34.6MB in the beginning and 42.5MB in the end (delta: -8.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 7271.30ms. Allocated memory is still 62.9MB. Free memory was 41.7MB in the beginning and 34.7MB in the end (delta: 7.0MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * Witness Printer took 83.23ms. Allocated memory is still 62.9MB. Free memory was 34.7MB in the beginning and 41.7MB in the end (delta: -7.0MB). Peak memory consumption was 8.7MB. 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 - PositiveResult [Line: 6]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 4.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 4.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 1 NumberOfNonLiveVariables, 20 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-21 23:06:28,354 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-11-21 23:06:28,397 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE