./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-nonlinear/coral-benchmark01.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f 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/floats-nonlinear/coral-benchmark01.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 5bbeaf701cb3f357bb581e423c010469a213b25d09a846384560b80d60a780d0 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-11 19:26:44,001 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-11 19:26:44,079 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-11 19:26:44,087 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-11 19:26:44,089 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-11 19:26:44,125 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-11 19:26:44,125 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-11 19:26:44,126 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-11 19:26:44,126 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-11 19:26:44,127 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-11 19:26:44,128 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-11 19:26:44,129 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-11 19:26:44,130 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-11 19:26:44,130 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-11 19:26:44,130 INFO L153 SettingsManager]: * Use SBE=true [2024-11-11 19:26:44,131 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-11 19:26:44,134 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-11 19:26:44,134 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-11 19:26:44,135 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-11 19:26:44,135 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-11 19:26:44,135 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-11 19:26:44,137 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-11 19:26:44,137 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-11 19:26:44,139 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-11 19:26:44,139 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-11 19:26:44,139 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-11 19:26:44,139 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-11 19:26:44,139 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-11 19:26:44,140 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-11 19:26:44,140 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-11 19:26:44,140 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-11 19:26:44,140 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-11 19:26:44,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 19:26:44,141 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-11 19:26:44,141 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-11 19:26:44,141 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-11 19:26:44,141 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-11 19:26:44,142 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-11 19:26:44,142 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-11 19:26:44,143 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-11 19:26:44,144 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-11 19:26:44,144 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-11 19:26:44,144 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bbeaf701cb3f357bb581e423c010469a213b25d09a846384560b80d60a780d0 [2024-11-11 19:26:44,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-11 19:26:44,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-11 19:26:44,407 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-11 19:26:44,408 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-11 19:26:44,409 INFO L274 PluginConnector]: CDTParser initialized [2024-11-11 19:26:44,410 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-nonlinear/coral-benchmark01.c [2024-11-11 19:26:45,861 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-11 19:26:46,054 INFO L384 CDTParser]: Found 1 translation units. [2024-11-11 19:26:46,055 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-nonlinear/coral-benchmark01.c [2024-11-11 19:26:46,061 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fce0b5436/1b16077c0ead43079151e263ee47f3dd/FLAGe324aa601 [2024-11-11 19:26:46,465 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fce0b5436/1b16077c0ead43079151e263ee47f3dd [2024-11-11 19:26:46,467 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-11 19:26:46,469 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-11 19:26:46,470 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-11 19:26:46,470 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-11 19:26:46,475 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-11 19:26:46,476 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 07:26:46" (1/1) ... [2024-11-11 19:26:46,478 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@513fa806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:26:46, skipping insertion in model container [2024-11-11 19:26:46,479 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 07:26:46" (1/1) ... [2024-11-11 19:26:46,497 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-11 19:26:46,662 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/floats-nonlinear/coral-benchmark01.c[758,771] [2024-11-11 19:26:46,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 19:26:46,686 INFO L200 MainTranslator]: Completed pre-run [2024-11-11 19:26:46,696 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/floats-nonlinear/coral-benchmark01.c[758,771] [2024-11-11 19:26:46,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 19:26:46,715 INFO L204 MainTranslator]: Completed translation [2024-11-11 19:26:46,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:26:46 WrapperNode [2024-11-11 19:26:46,716 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-11 19:26:46,717 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-11 19:26:46,717 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-11 19:26:46,717 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-11 19:26:46,724 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:26:46" (1/1) ... [2024-11-11 19:26:46,730 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:26:46" (1/1) ... [2024-11-11 19:26:46,748 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 40 [2024-11-11 19:26:46,749 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-11 19:26:46,749 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-11 19:26:46,749 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-11 19:26:46,749 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-11 19:26:46,758 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:26:46" (1/1) ... [2024-11-11 19:26:46,759 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:26:46" (1/1) ... [2024-11-11 19:26:46,761 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:26:46" (1/1) ... [2024-11-11 19:26:46,771 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]. [2024-11-11 19:26:46,771 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:26:46" (1/1) ... [2024-11-11 19:26:46,771 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:26:46" (1/1) ... [2024-11-11 19:26:46,776 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:26:46" (1/1) ... [2024-11-11 19:26:46,779 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:26:46" (1/1) ... [2024-11-11 19:26:46,779 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:26:46" (1/1) ... [2024-11-11 19:26:46,780 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:26:46" (1/1) ... [2024-11-11 19:26:46,785 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-11 19:26:46,786 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-11 19:26:46,786 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-11 19:26:46,786 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-11 19:26:46,787 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:26:46" (1/1) ... [2024-11-11 19:26:46,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 19:26:46,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 19:26:46,833 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) [2024-11-11 19:26:46,836 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 [2024-11-11 19:26:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-11 19:26:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-11 19:26:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-11 19:26:46,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-11 19:26:46,927 INFO L238 CfgBuilder]: Building ICFG [2024-11-11 19:26:46,930 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-11 19:26:47,002 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-11 19:26:47,002 INFO L287 CfgBuilder]: Performing block encoding [2024-11-11 19:26:47,011 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-11 19:26:47,011 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-11 19:26:47,012 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 07:26:47 BoogieIcfgContainer [2024-11-11 19:26:47,012 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-11 19:26:47,014 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-11 19:26:47,014 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-11 19:26:47,017 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-11 19:26:47,017 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 07:26:46" (1/3) ... [2024-11-11 19:26:47,018 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fb5117d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 07:26:47, skipping insertion in model container [2024-11-11 19:26:47,018 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:26:46" (2/3) ... [2024-11-11 19:26:47,018 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fb5117d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 07:26:47, skipping insertion in model container [2024-11-11 19:26:47,018 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 07:26:47" (3/3) ... [2024-11-11 19:26:47,019 INFO L112 eAbstractionObserver]: Analyzing ICFG coral-benchmark01.c [2024-11-11 19:26:47,031 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-11 19:26:47,031 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-11 19:26:47,079 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-11 19:26:47,085 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;@62cc5fae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-11 19:26:47,085 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-11 19:26:47,089 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 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) [2024-11-11 19:26:47,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-11 19:26:47,093 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 19:26:47,093 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-11 19:26:47,094 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 19:26:47,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 19:26:47,101 INFO L85 PathProgramCache]: Analyzing trace with hash 889508713, now seen corresponding path program 1 times [2024-11-11 19:26:47,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 19:26:47,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839182164] [2024-11-11 19:26:47,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 19:26:47,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 19:26:47,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-11 19:26:47,218 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-11 19:26:47,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-11 19:26:47,257 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-11 19:26:47,258 INFO L339 BasicCegarLoop]: Counterexample is feasible [2024-11-11 19:26:47,261 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-11 19:26:47,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-11 19:26:47,267 INFO L421 BasicCegarLoop]: Path program histogram: [1] [2024-11-11 19:26:47,284 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-11 19:26:47,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.11 07:26:47 BoogieIcfgContainer [2024-11-11 19:26:47,290 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-11 19:26:47,290 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-11 19:26:47,290 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-11 19:26:47,291 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-11 19:26:47,291 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 07:26:47" (3/4) ... [2024-11-11 19:26:47,295 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-11 19:26:47,298 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-11 19:26:47,299 INFO L158 Benchmark]: Toolchain (without parser) took 830.24ms. Allocated memory is still 167.8MB. Free memory was 124.2MB in the beginning and 83.8MB in the end (delta: 40.4MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-11-11 19:26:47,299 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 167.8MB. Free memory is still 131.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-11 19:26:47,300 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.60ms. Allocated memory is still 167.8MB. Free memory was 124.2MB in the beginning and 111.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-11 19:26:47,301 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.74ms. Allocated memory is still 167.8MB. Free memory was 111.6MB in the beginning and 110.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-11 19:26:47,301 INFO L158 Benchmark]: Boogie Preprocessor took 36.13ms. Allocated memory is still 167.8MB. Free memory was 110.1MB in the beginning and 108.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-11 19:26:47,302 INFO L158 Benchmark]: RCFGBuilder took 226.22ms. Allocated memory is still 167.8MB. Free memory was 108.6MB in the beginning and 98.5MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-11 19:26:47,303 INFO L158 Benchmark]: TraceAbstraction took 275.63ms. Allocated memory is still 167.8MB. Free memory was 98.1MB in the beginning and 84.4MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-11 19:26:47,304 INFO L158 Benchmark]: Witness Printer took 7.49ms. Allocated memory is still 167.8MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-11 19:26:47,306 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 167.8MB. Free memory is still 131.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 246.60ms. Allocated memory is still 167.8MB. Free memory was 124.2MB in the beginning and 111.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.74ms. Allocated memory is still 167.8MB. Free memory was 111.6MB in the beginning and 110.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.13ms. Allocated memory is still 167.8MB. Free memory was 110.1MB in the beginning and 108.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 226.22ms. Allocated memory is still 167.8MB. Free memory was 108.6MB in the beginning and 98.5MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 275.63ms. Allocated memory is still 167.8MB. Free memory was 98.1MB in the beginning and 84.4MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 7.49ms. Allocated memory is still 167.8MB. Free memory is still 83.8MB. 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: 22]: 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 someBinaryDOUBLEComparisonOperation at line 29. Possible FailurePath: [L36] double x, y; [L37] x = __VERIFIER_nondet_double() [L38] y = __VERIFIER_nondet_double() [L39] CALL, EXPR benchmark01(x, y) [L29] COND TRUE sin(x) + cos(y) > 1 [L30] return 1; VAL [\result=1] [L39] RET, EXPR benchmark01(x, y) [L39] CALL __VERIFIER_assert(!benchmark01(x, y)) [L20] COND TRUE !(cond) [L22] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 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=11occurred 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, 6 NumberOfCodeBlocks, 6 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 [2024-11-11 19:26:47,333 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 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/floats-nonlinear/coral-benchmark01.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 5bbeaf701cb3f357bb581e423c010469a213b25d09a846384560b80d60a780d0 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-11 19:26:49,494 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-11 19:26:49,570 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-11 19:26:49,576 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-11 19:26:49,576 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-11 19:26:49,619 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-11 19:26:49,622 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-11 19:26:49,622 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-11 19:26:49,623 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-11 19:26:49,624 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-11 19:26:49,624 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-11 19:26:49,625 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-11 19:26:49,625 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-11 19:26:49,626 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-11 19:26:49,626 INFO L153 SettingsManager]: * Use SBE=true [2024-11-11 19:26:49,628 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-11 19:26:49,628 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-11 19:26:49,628 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-11 19:26:49,628 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-11 19:26:49,629 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-11 19:26:49,629 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-11 19:26:49,633 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-11 19:26:49,633 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-11 19:26:49,633 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-11 19:26:49,633 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-11 19:26:49,633 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-11 19:26:49,634 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-11 19:26:49,634 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-11 19:26:49,634 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-11 19:26:49,634 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-11 19:26:49,634 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-11 19:26:49,635 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-11 19:26:49,635 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-11 19:26:49,635 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-11 19:26:49,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 19:26:49,635 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-11 19:26:49,636 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-11 19:26:49,636 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-11 19:26:49,636 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-11 19:26:49,638 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-11 19:26:49,638 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-11 19:26:49,638 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-11 19:26:49,638 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-11 19:26:49,639 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-11 19:26:49,639 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bbeaf701cb3f357bb581e423c010469a213b25d09a846384560b80d60a780d0 [2024-11-11 19:26:49,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-11 19:26:49,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-11 19:26:49,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-11 19:26:49,993 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-11 19:26:49,994 INFO L274 PluginConnector]: CDTParser initialized [2024-11-11 19:26:49,995 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-nonlinear/coral-benchmark01.c [2024-11-11 19:26:51,577 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-11 19:26:51,785 INFO L384 CDTParser]: Found 1 translation units. [2024-11-11 19:26:51,786 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-nonlinear/coral-benchmark01.c [2024-11-11 19:26:51,799 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbcb7ad8c/a5be6ee0291f4b69a91d1195b94bb900/FLAGcb5d213a1 [2024-11-11 19:26:51,816 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbcb7ad8c/a5be6ee0291f4b69a91d1195b94bb900 [2024-11-11 19:26:51,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-11 19:26:51,820 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-11 19:26:51,824 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-11 19:26:51,824 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-11 19:26:51,829 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-11 19:26:51,829 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 07:26:51" (1/1) ... [2024-11-11 19:26:51,832 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a695807 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:26:51, skipping insertion in model container [2024-11-11 19:26:51,833 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 07:26:51" (1/1) ... [2024-11-11 19:26:51,852 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-11 19:26:52,027 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/floats-nonlinear/coral-benchmark01.c[758,771] [2024-11-11 19:26:52,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 19:26:52,058 INFO L200 MainTranslator]: Completed pre-run [2024-11-11 19:26:52,072 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/floats-nonlinear/coral-benchmark01.c[758,771] [2024-11-11 19:26:52,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 19:26:52,095 INFO L204 MainTranslator]: Completed translation [2024-11-11 19:26:52,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:26:52 WrapperNode [2024-11-11 19:26:52,096 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-11 19:26:52,097 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-11 19:26:52,097 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-11 19:26:52,097 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-11 19:26:52,104 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:26:52" (1/1) ... [2024-11-11 19:26:52,112 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:26:52" (1/1) ... [2024-11-11 19:26:52,131 INFO L138 Inliner]: procedures = 17, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 40 [2024-11-11 19:26:52,132 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-11 19:26:52,133 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-11 19:26:52,133 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-11 19:26:52,134 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-11 19:26:52,143 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:26:52" (1/1) ... [2024-11-11 19:26:52,143 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:26:52" (1/1) ... [2024-11-11 19:26:52,145 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:26:52" (1/1) ... [2024-11-11 19:26:52,157 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]. [2024-11-11 19:26:52,157 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:26:52" (1/1) ... [2024-11-11 19:26:52,158 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:26:52" (1/1) ... [2024-11-11 19:26:52,163 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:26:52" (1/1) ... [2024-11-11 19:26:52,168 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:26:52" (1/1) ... [2024-11-11 19:26:52,170 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:26:52" (1/1) ... [2024-11-11 19:26:52,174 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:26:52" (1/1) ... [2024-11-11 19:26:52,176 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-11 19:26:52,177 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-11 19:26:52,177 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-11 19:26:52,179 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-11 19:26:52,180 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:26:52" (1/1) ... [2024-11-11 19:26:52,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 19:26:52,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 19:26:52,214 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) [2024-11-11 19:26:52,222 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 [2024-11-11 19:26:52,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-11 19:26:52,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-11 19:26:52,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-11 19:26:52,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-11 19:26:52,342 INFO L238 CfgBuilder]: Building ICFG [2024-11-11 19:26:52,347 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-11 19:26:52,828 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-11 19:26:52,828 INFO L287 CfgBuilder]: Performing block encoding [2024-11-11 19:26:52,841 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-11 19:26:52,842 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-11 19:26:52,842 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 07:26:52 BoogieIcfgContainer [2024-11-11 19:26:52,842 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-11 19:26:52,844 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-11 19:26:52,844 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-11 19:26:52,847 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-11 19:26:52,848 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 07:26:51" (1/3) ... [2024-11-11 19:26:52,849 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4338592f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 07:26:52, skipping insertion in model container [2024-11-11 19:26:52,849 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 07:26:52" (2/3) ... [2024-11-11 19:26:52,850 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4338592f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 07:26:52, skipping insertion in model container [2024-11-11 19:26:52,850 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 07:26:52" (3/3) ... [2024-11-11 19:26:52,851 INFO L112 eAbstractionObserver]: Analyzing ICFG coral-benchmark01.c [2024-11-11 19:26:52,867 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-11 19:26:52,867 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-11 19:26:52,928 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-11 19:26:52,938 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;@f53728d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-11 19:26:52,938 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-11 19:26:52,942 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 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) [2024-11-11 19:26:52,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-11 19:26:52,947 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 19:26:52,948 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-11 19:26:52,949 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 19:26:52,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 19:26:52,956 INFO L85 PathProgramCache]: Analyzing trace with hash 889508713, now seen corresponding path program 1 times [2024-11-11 19:26:52,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-11 19:26:52,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1478991784] [2024-11-11 19:26:52,968 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 19:26:52,968 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 [2024-11-11 19:26:52,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-11 19:26:52,972 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) [2024-11-11 19:26:52,973 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 [2024-11-11 19:26:53,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-11 19:26:53,113 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-11 19:26:53,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-11 19:26:53,201 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-11 19:26:53,205 INFO L339 BasicCegarLoop]: Counterexample is feasible [2024-11-11 19:26:53,206 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-11 19:26:53,215 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 [2024-11-11 19:26:53,408 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 [2024-11-11 19:26:53,412 INFO L421 BasicCegarLoop]: Path program histogram: [1] [2024-11-11 19:26:53,428 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-11 19:26:53,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.11 07:26:53 BoogieIcfgContainer [2024-11-11 19:26:53,430 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-11 19:26:53,431 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-11 19:26:53,431 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-11 19:26:53,431 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-11 19:26:53,432 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 07:26:52" (3/4) ... [2024-11-11 19:26:53,434 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-11 19:26:53,435 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-11 19:26:53,436 INFO L158 Benchmark]: Toolchain (without parser) took 1616.05ms. Allocated memory is still 69.2MB. Free memory was 48.7MB in the beginning and 30.8MB in the end (delta: 17.9MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2024-11-11 19:26:53,436 INFO L158 Benchmark]: CDTParser took 1.62ms. Allocated memory is still 44.0MB. Free memory is still 27.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-11 19:26:53,437 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.37ms. Allocated memory is still 69.2MB. Free memory was 48.4MB in the beginning and 35.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-11 19:26:53,437 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.46ms. Allocated memory is still 69.2MB. Free memory was 35.9MB in the beginning and 34.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-11 19:26:53,438 INFO L158 Benchmark]: Boogie Preprocessor took 43.28ms. Allocated memory is still 69.2MB. Free memory was 34.4MB in the beginning and 32.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-11 19:26:53,438 INFO L158 Benchmark]: RCFGBuilder took 665.55ms. Allocated memory is still 69.2MB. Free memory was 32.6MB in the beginning and 44.0MB in the end (delta: -11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-11 19:26:53,439 INFO L158 Benchmark]: TraceAbstraction took 586.29ms. Allocated memory is still 69.2MB. Free memory was 43.3MB in the beginning and 31.1MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-11 19:26:53,439 INFO L158 Benchmark]: Witness Printer took 4.14ms. Allocated memory is still 69.2MB. Free memory was 31.1MB in the beginning and 30.8MB in the end (delta: 324.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-11 19:26:53,442 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.62ms. Allocated memory is still 44.0MB. Free memory is still 27.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.37ms. Allocated memory is still 69.2MB. Free memory was 48.4MB in the beginning and 35.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.46ms. Allocated memory is still 69.2MB. Free memory was 35.9MB in the beginning and 34.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.28ms. Allocated memory is still 69.2MB. Free memory was 34.4MB in the beginning and 32.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 665.55ms. Allocated memory is still 69.2MB. Free memory was 32.6MB in the beginning and 44.0MB in the end (delta: -11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 586.29ms. Allocated memory is still 69.2MB. Free memory was 43.3MB in the beginning and 31.1MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 4.14ms. Allocated memory is still 69.2MB. Free memory was 31.1MB in the beginning and 30.8MB in the end (delta: 324.2kB). 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: 22]: 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 cos at line 29. Possible FailurePath: [L36] double x, y; [L37] x = __VERIFIER_nondet_double() [L38] y = __VERIFIER_nondet_double() [L39] CALL, EXPR benchmark01(x, y) [L29] COND TRUE sin(x) + cos(y) > 1 [L30] return 1; VAL [\result=1] [L39] RET, EXPR benchmark01(x, y) [L39] CALL __VERIFIER_assert(!benchmark01(x, y)) [L20] COND TRUE !(cond) [L22] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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=11occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 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 [2024-11-11 19:26:53,481 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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample