./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-nonlinear/coral-benchmark20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-nonlinear/coral-benchmark20.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9dedb0728b3792362987c8abb931c76242b61fe495915d3d202e3235d1ac45be --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 02:37:04,971 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 02:37:05,044 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 02:37:05,049 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 02:37:05,052 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 02:37:05,080 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 02:37:05,081 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 02:37:05,082 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 02:37:05,082 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 02:37:05,082 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 02:37:05,083 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 02:37:05,083 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 02:37:05,083 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 02:37:05,084 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 02:37:05,084 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 02:37:05,084 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 02:37:05,084 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 02:37:05,085 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 02:37:05,085 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 02:37:05,085 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 02:37:05,085 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 02:37:05,085 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 02:37:05,085 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 02:37:05,085 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 02:37:05,085 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 02:37:05,085 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 02:37:05,085 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 02:37:05,085 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 02:37:05,086 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 02:37:05,086 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 02:37:05,086 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 02:37:05,086 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 02:37:05,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 02:37:05,086 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 02:37:05,086 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 02:37:05,086 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 02:37:05,086 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 02:37:05,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 02:37:05,086 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 02:37:05,086 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 02:37:05,086 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 02:37:05,087 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 02:37:05,087 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 02:37:05,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 02:37:05,087 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 02:37:05,087 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 02:37:05,087 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 02:37:05,087 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 02:37:05,087 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9dedb0728b3792362987c8abb931c76242b61fe495915d3d202e3235d1ac45be [2025-01-09 02:37:05,370 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 02:37:05,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 02:37:05,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 02:37:05,381 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 02:37:05,381 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 02:37:05,382 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-nonlinear/coral-benchmark20.c [2025-01-09 02:37:06,647 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/59b604e96/7454e2b1292d46d59579553d54bfcd4e/FLAG5c54bad5c [2025-01-09 02:37:06,875 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 02:37:06,876 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/floats-nonlinear/coral-benchmark20.c [2025-01-09 02:37:06,881 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/59b604e96/7454e2b1292d46d59579553d54bfcd4e/FLAG5c54bad5c [2025-01-09 02:37:06,893 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/59b604e96/7454e2b1292d46d59579553d54bfcd4e [2025-01-09 02:37:06,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 02:37:06,896 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 02:37:06,898 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 02:37:06,899 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 02:37:06,903 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 02:37:06,904 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 02:37:06" (1/1) ... [2025-01-09 02:37:06,905 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69530f32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:06, skipping insertion in model container [2025-01-09 02:37:06,905 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 02:37:06" (1/1) ... [2025-01-09 02:37:06,916 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 02:37:07,059 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/floats-nonlinear/coral-benchmark20.c[758,771] [2025-01-09 02:37:07,071 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 02:37:07,081 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 02:37:07,091 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/floats-nonlinear/coral-benchmark20.c[758,771] [2025-01-09 02:37:07,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 02:37:07,109 INFO L204 MainTranslator]: Completed translation [2025-01-09 02:37:07,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:07 WrapperNode [2025-01-09 02:37:07,111 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 02:37:07,112 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 02:37:07,112 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 02:37:07,112 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 02:37:07,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:07" (1/1) ... [2025-01-09 02:37:07,126 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:07" (1/1) ... [2025-01-09 02:37:07,139 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 42 [2025-01-09 02:37:07,140 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 02:37:07,141 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 02:37:07,141 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 02:37:07,142 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 02:37:07,148 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:07" (1/1) ... [2025-01-09 02:37:07,148 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:07" (1/1) ... [2025-01-09 02:37:07,149 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:07" (1/1) ... [2025-01-09 02:37:07,159 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]. [2025-01-09 02:37:07,159 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:07" (1/1) ... [2025-01-09 02:37:07,159 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:07" (1/1) ... [2025-01-09 02:37:07,164 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:07" (1/1) ... [2025-01-09 02:37:07,168 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:07" (1/1) ... [2025-01-09 02:37:07,169 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:07" (1/1) ... [2025-01-09 02:37:07,170 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:07" (1/1) ... [2025-01-09 02:37:07,171 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:07" (1/1) ... [2025-01-09 02:37:07,172 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 02:37:07,175 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 02:37:07,176 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 02:37:07,176 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 02:37:07,177 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:07" (1/1) ... [2025-01-09 02:37:07,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 02:37:07,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 02:37:07,213 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 02:37:07,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 02:37:07,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 02:37:07,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 02:37:07,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 02:37:07,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 02:37:07,289 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 02:37:07,291 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 02:37:07,369 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2025-01-09 02:37:07,370 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 02:37:07,376 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 02:37:07,377 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 02:37:07,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:37:07 BoogieIcfgContainer [2025-01-09 02:37:07,377 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 02:37:07,379 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 02:37:07,379 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 02:37:07,383 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 02:37:07,384 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 02:37:06" (1/3) ... [2025-01-09 02:37:07,384 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@783693a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 02:37:07, skipping insertion in model container [2025-01-09 02:37:07,384 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:07" (2/3) ... [2025-01-09 02:37:07,385 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@783693a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 02:37:07, skipping insertion in model container [2025-01-09 02:37:07,385 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:37:07" (3/3) ... [2025-01-09 02:37:07,386 INFO L128 eAbstractionObserver]: Analyzing ICFG coral-benchmark20.c [2025-01-09 02:37:07,399 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 02:37:07,401 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG coral-benchmark20.c that has 1 procedures, 11 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-01-09 02:37:07,448 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 02:37:07,459 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;@515699a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 02:37:07,459 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 02:37:07,462 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) [2025-01-09 02:37:07,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-01-09 02:37:07,466 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 02:37:07,466 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-01-09 02:37:07,467 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 02:37:07,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 02:37:07,470 INFO L85 PathProgramCache]: Analyzing trace with hash 889508713, now seen corresponding path program 1 times [2025-01-09 02:37:07,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 02:37:07,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396033117] [2025-01-09 02:37:07,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 02:37:07,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 02:37:07,544 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-09 02:37:07,566 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-09 02:37:07,566 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 02:37:07,567 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 02:37:07,567 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 02:37:07,573 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-09 02:37:07,583 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-09 02:37:07,584 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 02:37:07,584 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 02:37:07,601 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 02:37:07,603 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 02:37:07,604 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 02:37:07,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 02:37:07,610 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-01-09 02:37:07,623 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 02:37:07,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 02:37:07 BoogieIcfgContainer [2025-01-09 02:37:07,629 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 02:37:07,630 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 02:37:07,630 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 02:37:07,630 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 02:37:07,631 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:37:07" (3/4) ... [2025-01-09 02:37:07,633 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 02:37:07,633 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 02:37:07,634 INFO L158 Benchmark]: Toolchain (without parser) took 738.38ms. Allocated memory is still 142.6MB. Free memory was 114.6MB in the beginning and 79.1MB in the end (delta: 35.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-01-09 02:37:07,635 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 201.3MB. Free memory is still 125.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 02:37:07,635 INFO L158 Benchmark]: CACSL2BoogieTranslator took 213.07ms. Allocated memory is still 142.6MB. Free memory was 114.6MB in the beginning and 103.9MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 02:37:07,636 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.84ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 102.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 02:37:07,636 INFO L158 Benchmark]: Boogie Preprocessor took 33.90ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 101.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 02:37:07,636 INFO L158 Benchmark]: RCFGBuilder took 202.09ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 91.7MB in the end (delta: 9.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 02:37:07,637 INFO L158 Benchmark]: TraceAbstraction took 249.98ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 79.1MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 02:37:07,638 INFO L158 Benchmark]: Witness Printer took 3.74ms. Allocated memory is still 142.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 02:37:07,640 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 201.3MB. Free memory is still 125.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 213.07ms. Allocated memory is still 142.6MB. Free memory was 114.6MB in the beginning and 103.9MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.84ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 102.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.90ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 101.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 202.09ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 91.7MB in the end (delta: 9.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 249.98ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 79.1MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.74ms. Allocated memory is still 142.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 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 31. Possible FailurePath: [L38] double x, y; [L39] x = __VERIFIER_nondet_double() [L40] y = __VERIFIER_nondet_double() [L41] CALL, EXPR benchmark20(x, y) [L31] COND TRUE sin(sin(x * y)) < 0 && cos(2 * x) > 0.25 [L32] return 1; VAL [\result=1] [L41] RET, EXPR benchmark20(x, y) [L41] CALL __VERIFIER_assert(!benchmark20(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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-01-09 02:37:07,657 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-nonlinear/coral-benchmark20.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9dedb0728b3792362987c8abb931c76242b61fe495915d3d202e3235d1ac45be --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 02:37:09,821 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 02:37:09,922 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-01-09 02:37:09,936 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 02:37:09,936 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 02:37:09,969 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 02:37:09,971 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 02:37:09,972 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 02:37:09,972 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 02:37:09,972 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 02:37:09,972 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 02:37:09,972 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 02:37:09,973 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 02:37:09,973 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 02:37:09,974 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 02:37:09,974 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 02:37:09,974 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 02:37:09,975 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 02:37:09,975 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 02:37:09,975 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 02:37:09,975 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 02:37:09,975 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 02:37:09,975 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 02:37:09,975 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 02:37:09,975 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 02:37:09,975 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 02:37:09,975 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 02:37:09,976 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 02:37:09,976 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 02:37:09,976 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 02:37:09,977 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 02:37:09,977 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 02:37:09,977 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 02:37:09,977 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 02:37:09,977 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 02:37:09,977 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 02:37:09,977 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 02:37:09,977 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 02:37:09,977 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 02:37:09,978 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 02:37:09,978 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 02:37:09,978 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 02:37:09,978 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 02:37:09,978 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 02:37:09,979 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 02:37:09,979 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 02:37:09,979 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 02:37:09,979 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 02:37:09,979 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 02:37:09,979 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 02:37:09,979 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9dedb0728b3792362987c8abb931c76242b61fe495915d3d202e3235d1ac45be [2025-01-09 02:37:10,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 02:37:10,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 02:37:10,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 02:37:10,338 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 02:37:10,338 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 02:37:10,339 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-nonlinear/coral-benchmark20.c [2025-01-09 02:37:11,692 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/21c3ee499/515180665a14427b80ac82de062a2f8a/FLAG217b398c5 [2025-01-09 02:37:11,897 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 02:37:11,899 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/floats-nonlinear/coral-benchmark20.c [2025-01-09 02:37:11,905 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/21c3ee499/515180665a14427b80ac82de062a2f8a/FLAG217b398c5 [2025-01-09 02:37:11,925 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/21c3ee499/515180665a14427b80ac82de062a2f8a [2025-01-09 02:37:11,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 02:37:11,928 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 02:37:11,929 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 02:37:11,929 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 02:37:11,933 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 02:37:11,934 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 02:37:11" (1/1) ... [2025-01-09 02:37:11,936 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b0f96cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:11, skipping insertion in model container [2025-01-09 02:37:11,936 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 02:37:11" (1/1) ... [2025-01-09 02:37:11,948 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 02:37:12,079 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/floats-nonlinear/coral-benchmark20.c[758,771] [2025-01-09 02:37:12,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 02:37:12,107 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 02:37:12,119 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/floats-nonlinear/coral-benchmark20.c[758,771] [2025-01-09 02:37:12,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 02:37:12,138 INFO L204 MainTranslator]: Completed translation [2025-01-09 02:37:12,140 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:12 WrapperNode [2025-01-09 02:37:12,140 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 02:37:12,141 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 02:37:12,141 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 02:37:12,141 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 02:37:12,147 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:12" (1/1) ... [2025-01-09 02:37:12,156 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:12" (1/1) ... [2025-01-09 02:37:12,169 INFO L138 Inliner]: procedures = 17, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 42 [2025-01-09 02:37:12,169 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 02:37:12,170 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 02:37:12,170 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 02:37:12,170 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 02:37:12,176 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:12" (1/1) ... [2025-01-09 02:37:12,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:12" (1/1) ... [2025-01-09 02:37:12,178 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:12" (1/1) ... [2025-01-09 02:37:12,187 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]. [2025-01-09 02:37:12,188 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:12" (1/1) ... [2025-01-09 02:37:12,188 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:12" (1/1) ... [2025-01-09 02:37:12,195 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:12" (1/1) ... [2025-01-09 02:37:12,199 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:12" (1/1) ... [2025-01-09 02:37:12,201 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:12" (1/1) ... [2025-01-09 02:37:12,202 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:12" (1/1) ... [2025-01-09 02:37:12,206 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:12" (1/1) ... [2025-01-09 02:37:12,208 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 02:37:12,209 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 02:37:12,209 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 02:37:12,209 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 02:37:12,210 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:12" (1/1) ... [2025-01-09 02:37:12,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 02:37:12,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 02:37:12,241 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 02:37:12,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 02:37:12,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 02:37:12,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 02:37:12,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 02:37:12,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 02:37:12,329 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 02:37:12,330 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 02:37:12,419 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2025-01-09 02:37:12,420 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 02:37:12,427 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 02:37:12,428 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 02:37:12,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:37:12 BoogieIcfgContainer [2025-01-09 02:37:12,429 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 02:37:12,431 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 02:37:12,431 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 02:37:12,436 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 02:37:12,436 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 02:37:11" (1/3) ... [2025-01-09 02:37:12,437 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74db4bcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 02:37:12, skipping insertion in model container [2025-01-09 02:37:12,437 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:12" (2/3) ... [2025-01-09 02:37:12,437 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74db4bcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 02:37:12, skipping insertion in model container [2025-01-09 02:37:12,437 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:37:12" (3/3) ... [2025-01-09 02:37:12,438 INFO L128 eAbstractionObserver]: Analyzing ICFG coral-benchmark20.c [2025-01-09 02:37:12,450 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 02:37:12,451 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG coral-benchmark20.c that has 1 procedures, 11 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-01-09 02:37:12,496 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 02:37:12,507 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;@201050cc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 02:37:12,507 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 02:37:12,510 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) [2025-01-09 02:37:12,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-01-09 02:37:12,514 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 02:37:12,514 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-01-09 02:37:12,515 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 02:37:12,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 02:37:12,518 INFO L85 PathProgramCache]: Analyzing trace with hash 889508713, now seen corresponding path program 1 times [2025-01-09 02:37:12,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 02:37:12,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1611616439] [2025-01-09 02:37:12,525 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 02:37:12,526 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 [2025-01-09 02:37:12,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 02:37:12,528 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/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) [2025-01-09 02:37:12,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-01-09 02:37:12,564 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-09 02:37:12,579 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-09 02:37:12,579 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 02:37:12,580 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 02:37:12,580 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 02:37:12,587 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-09 02:37:12,595 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-09 02:37:12,595 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 02:37:12,595 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 02:37:12,612 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2025-01-09 02:37:12,614 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 02:37:12,615 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 02:37:12,621 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2025-01-09 02:37:12,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/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 [2025-01-09 02:37:12,820 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-01-09 02:37:12,831 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 02:37:12,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 02:37:12 BoogieIcfgContainer [2025-01-09 02:37:12,833 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 02:37:12,834 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 02:37:12,834 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 02:37:12,834 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 02:37:12,834 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:37:12" (3/4) ... [2025-01-09 02:37:12,836 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 02:37:12,837 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 02:37:12,838 INFO L158 Benchmark]: Toolchain (without parser) took 910.26ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 57.9MB in the end (delta: 35.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-01-09 02:37:12,838 INFO L158 Benchmark]: CDTParser took 2.39ms. Allocated memory is still 83.9MB. Free memory was 62.3MB in the beginning and 62.3MB in the end (delta: 34.9kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 02:37:12,839 INFO L158 Benchmark]: CACSL2BoogieTranslator took 211.38ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 82.0MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 02:37:12,839 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.45ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 02:37:12,839 INFO L158 Benchmark]: Boogie Preprocessor took 38.46ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.2MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 02:37:12,840 INFO L158 Benchmark]: RCFGBuilder took 220.25ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 69.8MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 02:37:12,840 INFO L158 Benchmark]: TraceAbstraction took 401.99ms. Allocated memory is still 117.4MB. Free memory was 69.1MB in the beginning and 58.1MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 02:37:12,840 INFO L158 Benchmark]: Witness Printer took 3.58ms. Allocated memory is still 117.4MB. Free memory was 58.1MB in the beginning and 57.9MB in the end (delta: 226.5kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 02:37:12,842 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.39ms. Allocated memory is still 83.9MB. Free memory was 62.3MB in the beginning and 62.3MB in the end (delta: 34.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 211.38ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 82.0MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.45ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.46ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.2MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 220.25ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 69.8MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 401.99ms. Allocated memory is still 117.4MB. Free memory was 69.1MB in the beginning and 58.1MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.58ms. Allocated memory is still 117.4MB. Free memory was 58.1MB in the beginning and 57.9MB in the end (delta: 226.5kB). 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 31. Possible FailurePath: [L38] double x, y; [L39] x = __VERIFIER_nondet_double() [L40] y = __VERIFIER_nondet_double() [L41] CALL, EXPR benchmark20(x, y) [L31] COND TRUE sin(sin(x * y)) < 0 && cos(2 * x) > 0.25 [L32] return 1; VAL [\result=1] [L41] RET, EXPR benchmark20(x, y) [L41] CALL __VERIFIER_assert(!benchmark20(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: 0.3s, 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-01-09 02:37:12,857 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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